Company lists · Data refreshed November 2026
Top 25 Drainage design consultants worldwide
RevenueBase identified 9,635 company matches for drainage design consultants worldwide as of November 2026 and tracks 313,088 professional contacts across them, including 106,244 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers company matches for drainage design consultants worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for drainage design consultants follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest drainage design consultants worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 68,572 contacts → | ||||
Exact match “AECOM is the global infrastructure leader, committed to delivering a better world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 14,232 contacts → | ||||
Exact match “Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 6,495 contacts → | ||||
Exact match “Khatib & Alami (K&A) is a multidisciplinary design consultancy which operates primarily across the Middle East & Africa, Levant, Central and South-East Asia, and Europe.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 3,812 contacts → | ||||
Exact match “Follow STV for practical insight into the infrastructure, ideas and people making communities better.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 2,654 contacts → | ||||
Exact match “Multiconsult Norway is one of the leading firms of architectures, consulting engineers and designers in Norway.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 2,289 contacts → | ||||
Exact match “Olsson is an engineering firm made up of people who craft expert solutions and designs that improve communities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 2,067 contacts → | ||||
Exact match “Meinhardt is one of the most respected Asian-based engineering companies in the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 2,022 contacts → | ||||
Exact match “Gamuda Berhad (29579-T) SSM: 19760100363 Gamuda Berhad is a regional engineering, property and infrastructure company based in Malaysia.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 1,986 contacts → | ||||
Exact match “Since its founding in 1982, Shaker has established itself as one of the leading engineering and design firms across the MENA region, with offices in 8 countries and projects…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 1,874 contacts → | ||||
Exact match “At Burns & McDonnell India, we are a diverse team of talented engineers with multidiscipline design and consultancy working across sectors in critical infrastructure: oil and gas…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 1,827 contacts → | ||||
Exact match “Headquartered in Reston, Virginia, Bowman is a national engineering services firm delivering infrastructure solutions to customers who own, develop and maintain the built…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 1,780 contacts → | ||||
Exact match “CHA Consulting, Inc.(CHA) is an innovative, full-service engineering, design, consulting, and program/construction management firm providing a wide range of technology-enhanced…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 1,468 contacts → | ||||
Exact match “Antea Group is het thuis van 1800 trotse ingenieurs en adviseurs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 1,329 contacts → | ||||
Exact match “A multi disciplinary engineering consultancy organisation, headquartered in New Delhi, India providing solutions globally.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 1,269 contacts → | ||||
Exact match “Contech provides innovative, cost-effective site solutions to engineers, contractors, and developers on projects across North America.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 1,244 contacts → | ||||
Exact match “Volkert’s history began in 1925 when it was founded in New Orleans as Doullut & Erwin to provide waterfront and heavy construction services, as well as airport design services…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 1,204 contacts → | ||||
Exact match “Where Engineering Meets Vision Voyants is an Indian-origin multinational infrastructure consulting firm delivering integrated solutions across the project lifecycle-from concept…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 1,088 contacts → | ||||
Exact match “Since its founding in 1976 in Portland, Oregon, DEA has become a recognized leader for progressive and sustainable design and management solutions for complex transportation, land…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 1,084 contacts → | ||||
Exact match “At Associated, we are passionate about building communities that are vibrant, healthy and resilient and support economic growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 1,070 contacts → | ||||
Exact match “We are a comprehensive network of specialists, expanding as we integrate talent and expertise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 1,059 contacts → | ||||
Exact match “Cardno is now officially Stantec.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 985 contacts → | ||||
Exact match “NK India is a part of the ID & E Group (formerly known as Nippon Koei Group) worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 960 contacts → | ||||
Exact match “Pace is a leading multidisciplinary consultancy firm providing architecture, engineering and planning services to a wide range of public and private sector clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 923 contacts → | ||||
Exact match “Grontmij is part of Sweco.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 873 contacts → | ||||
Exact match “Robert Bird Group (RBG), member of the Surbana Jurong Group, is a specialist structural, civil and construction engineering consultancy with over 800 employees across 12 offices…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “drainage design consultants”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 9,635 drainage design consultants worldwide
See the full list, filter by size, metro and specialty, and access 106,244 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Drainage design consultants worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for drainage design consultants are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “drainage design consultants” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 106,244 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Drainage design consultants by location
45 lists · largest firstEvery Drainage design consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Drainage design consultants based in the United States1,839
- Drainage design consultants based in the United Kingdom735
- Drainage design consultants based in Brazil578
- Drainage design consultants based in Australia489
- Drainage design consultants based in Germany463
- Drainage design consultants based in India458
- Drainage design consultants based in France328
- Drainage design consultants based in Italy306
- Drainage design consultants based in Canada260
- Drainage design consultants based in the Netherlands208
- Drainage design consultants based in South Africa203
- Drainage design consultants based in Spain145
- Drainage design consultants based in Colombia131
- Drainage design consultants based in Switzerland129
- Drainage design consultants based in New Zealand113
- Drainage design consultants based in Chile104
- Drainage design consultants based in the United Arab Emirates82
- Drainage design consultants based in Türkiye81
- Drainage design consultants based in Saudi Arabia75
- Drainage design consultants based in Sweden72
- Drainage design consultants based in Pakistan66
- Drainage design consultants based in Malaysia63
- Drainage design consultants based in Egypt62
- Drainage design consultants based in Israel51
- Drainage design consultants based in Greece49
- Drainage design consultants based in Austria48
- Drainage design consultants based in Ireland48
- Drainage design consultants based in Poland47
- Drainage design consultants based in Belgium46
- Drainage design consultants based in Mexico45
- Drainage design consultants based in Portugal45
- Drainage design consultants based in Czechia42
- Drainage design consultants based in Denmark41
- Drainage design consultants based in Norway35
- Drainage design consultants based in Romania32
Cities
- Drainage design consultants based in Sao Paulo, Brazil82
- Drainage design consultants based in London, United Kingdom60
- Drainage design consultants based in Houston, United States53
- Drainage design consultants based in Belo Horizonte, Brazil42
- Drainage design consultants based in Auckland, New Zealand41
- Drainage design consultants based in Sydney, Australia37
- Drainage design consultants based in Rome, Italy36
- Drainage design consultants based in Austin, United States35
- Drainage design consultants based in Melbourne, Australia34
- Drainage design consultants based in Madrid, Spain31
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “drainage design consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many drainage design consultants are there worldwide?
RevenueBase identified 9,635 company matches for drainage design consultants worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
AECOM tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most drainage design consultants?
The United States leads with 1,839 companies, followed by the United Kingdom (735) and Brazil (578). Every drainage design consultants list by country and city is linked on this page.
Which city has the most drainage design consultants?
Sao Paulo leads with 82 company records, followed by London (64) and Tehran (62).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 106,244 professional contacts with verified work emails tracked across these 9,635 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 9,635 drainage design consultants worldwide. Start with a free account, no credit card.
Download this list →Related lists
Browse the directory
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 drainage design consultants worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 9,635 matching company records for drainage design consultants worldwide, with 313,088 tracked contacts and 106,244 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 drainage design consultants worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  AECOMaecom.comHQ: Dallas, TX, United StatesReported employees: 10001+ | Dallas, TX, United States | 10001+ | Exact match | 68,572 contacts → |
“AECOM is the global infrastructure leader, committed to delivering a better world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Tetra Techtetratech.comHQ: Pasadena, CA, United StatesReported employees: 10001+ | Pasadena, CA, United States | 10001+ | Exact match | 14,232 contacts → |
“Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Khatib & Alamikhatibalami.comHQ: Downtown, PolandReported employees: 5,001-10,000 | Downtown, Poland | 5,001-10,000 | Exact match | 6,495 contacts → |
“Khatib & Alami (K&A) is a multidisciplinary design consultancy which operates primarily across the Middle East & Africa, Levant, Central and South-East Asia, and Europe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  STVstvinc.comHQ: New York, TX, United StatesReported employees: 1,001-5,000 | New York, TX, United States | 1,001-5,000 | Exact match | 3,812 contacts → |
“Follow STV for practical insight into the infrastructure, ideas and people making communities better.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Multiconsultmulticonsult.noHQ: Oslo, NorwayReported employees: 1,001-5,000 | Oslo, Norway | 1,001-5,000 | Exact match | 2,654 contacts → |
“Multiconsult Norway is one of the leading firms of architectures, consulting engineers and designers in Norway.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Olssonolsson.comHQ: Lincoln, AR, United StatesReported employees: 1,001-5,000 | Lincoln, AR, United States | 1,001-5,000 | Exact match | 2,289 contacts → |
“Olsson is an engineering firm made up of people who craft expert solutions and designs that improve communities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Meinhardt Groupmeinhardtgroup.comHQ: Phnom Penh, SingaporeReported employees: 1,001-5,000 | Phnom Penh, Singapore | 1,001-5,000 | Exact match | 2,067 contacts → |
“Meinhardt is one of the most respected Asian-based engineering companies in the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Gamudagamuda.comHQ: Petaling Jaya, MalaysiaReported employees: 5,001-10,000 | Petaling Jaya, Malaysia | 5,001-10,000 | Exact match | 2,022 contacts → |
“Gamuda Berhad (29579-T) SSM: 19760100363 Gamuda Berhad is a regional engineering, property and infrastructure company based in Malaysia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Shaker Consultancy Groupshakergroup.comHQ: Cairo, EgyptReported employees: 1,001-5,000 | Cairo, Egypt | 1,001-5,000 | Exact match | 1,986 contacts → |
“Since its founding in 1982, Shaker has established itself as one of the leading engineering and design firms across the MENA region, with offices in 8 countries and projects…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Burns & Mcdonnell Indiaburnsmcd.comHQ: Vikhroli West, IndiaReported employees: 1,001-5,000 | Vikhroli West, India | 1,001-5,000 | Exact match | 1,874 contacts → |
“At Burns & McDonnell India, we are a diverse team of talented engineers with multidiscipline design and consultancy working across sectors in critical infrastructure: oil and gas…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Bowman Consultingbowman.comHQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 1,827 contacts → |
“Headquartered in Reston, Virginia, Bowman is a national engineering services firm delivering infrastructure solutions to customers who own, develop and maintain the built…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  CHA Consulting, INCchasolutions.comHQ: Albany, NH, United StatesReported employees: 1,001-5,000 | Albany, NH, United States | 1,001-5,000 | Exact match | 1,780 contacts → |
“CHA Consulting, Inc.(CHA) is an innovative, full-service engineering, design, consulting, and program/construction management firm providing a wide range of technology-enhanced…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Antea Group Nederlandanteagroup.nlHQ: Heerenveen, NetherlandsReported employees: 1,001-5,000 | Heerenveen, Netherlands | 1,001-5,000 | Exact match | 1,468 contacts → |
“Antea Group is het thuis van 1800 trotse ingenieurs en adviseurs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: New Delhi, IndiaReported employees: 1,001-5,000 | New Delhi, India | 1,001-5,000 | Exact match | 1,329 contacts → |
“A multi disciplinary engineering consultancy organisation, headquartered in New Delhi, India providing solutions globally.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Contech Engineered Solutionsconteches.comHQ: West Chester, ME, United StatesReported employees: 1,001-5,000 | West Chester, ME, United States | 1,001-5,000 | Exact match | 1,269 contacts → |
“Contech provides innovative, cost-effective site solutions to engineers, contractors, and developers on projects across North America.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Volkert, INCvolkert.comHQ: Mobile, AL, United StatesReported employees: 1,001-5,000 | Mobile, AL, United States | 1,001-5,000 | Exact match | 1,244 contacts → |
“Volkert’s history began in 1925 when it was founded in New Orleans as Doullut & Erwin to provide waterfront and heavy construction services, as well as airport design services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Voyants Solutions Private Limitedvoyants.inHQ: Gurgaon, IndiaReported employees: 1,001-5,000 | Gurgaon, India | 1,001-5,000 | Exact match | 1,204 contacts → |
“Where Engineering Meets Vision Voyants is an Indian-origin multinational infrastructure consulting firm delivering integrated solutions across the project lifecycle-from concept…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  David Evans And Associates, INCdeainc.comHQ: Portland, CA, United StatesReported employees: 501-1,000 | Portland, CA, United States | 501-1,000 | Exact match | 1,088 contacts → |
“Since its founding in 1976 in Portland, Oregon, DEA has become a recognized leader for progressive and sustainable design and management solutions for complex transportation, land…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Edmonton, MB, CanadaReported employees: 501-1,000 | Edmonton, MB, Canada | 501-1,000 | Exact match | 1,084 contacts → |
“At Associated, we are passionate about building communities that are vibrant, healthy and resilient and support economic growth.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  ARX Smart Mindsarx.ingHQ: Grono, TürkiyeReported employees: 1,001-5,000 | Grono, Türkiye | 1,001-5,000 | Exact match | 1,070 contacts → |
“We are a comprehensive network of specialists, expanding as we integrate talent and expertise.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Cardnostantec.comHQ: Fortitude Valley, CO, AustraliaReported employees: 1,001-5,000 | Fortitude Valley, CO, Australia | 1,001-5,000 | Exact match | 1,059 contacts → |
“Cardno is now officially Stantec.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Nippon Koei India Private Limitednkindia.inHQ: New Delhi, IndiaReported employees: 1,001-5,000 | New Delhi, India | 1,001-5,000 | Exact match | 985 contacts → |
“NK India is a part of the ID & E Group (formerly known as Nippon Koei Group) worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Pace Architecture, Engineering Planningpace-me.comHQ: Ahmed Al Jaber Street, KuwaitReported employees: 501-1,000 | Ahmed Al Jaber Street, Kuwait | 501-1,000 | Exact match | 960 contacts → |
“Pace is a leading multidisciplinary consultancy firm providing architecture, engineering and planning services to a wide range of public and private sector clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Grontmij Groupsweco.seHQ: Glostrup, SwedenReported employees: 10001+ | Glostrup, Sweden | 10001+ | Exact match | 923 contacts → |
“Grontmij is part of Sweco.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Robert Bird Grouprobertbird.comHQ: Brisbane, AustraliaReported employees: 501-1,000 | Brisbane, Australia | 501-1,000 | Exact match | 873 contacts → |
“Robert Bird Group (RBG), member of the Surbana Jurong Group, is a specialist structural, civil and construction engineering consultancy with over 800 employees across 12 offices…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 9,635 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Drainage design consultants: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
9,510 records in the displayed employee bands.
125 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 9,635 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Drainage design consultants by location
45 lists · largest firstEvery Drainage design consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Drainage design consultants based in the United States1,839
- Drainage design consultants based in the United Kingdom735
- Drainage design consultants based in Brazil578
- Drainage design consultants based in Australia489
- Drainage design consultants based in Germany463
- Drainage design consultants based in India458
- Drainage design consultants based in France328
- Drainage design consultants based in Italy306
- Drainage design consultants based in Canada260
- Drainage design consultants based in the Netherlands208
- Drainage design consultants based in South Africa203
- Drainage design consultants based in Spain145
- Drainage design consultants based in Colombia131
- Drainage design consultants based in Switzerland129
- Drainage design consultants based in New Zealand113
- Drainage design consultants based in Chile104
- Drainage design consultants based in the United Arab Emirates82
- Drainage design consultants based in Türkiye81
- Drainage design consultants based in Saudi Arabia75
- Drainage design consultants based in Sweden72
- Drainage design consultants based in Pakistan66
- Drainage design consultants based in Malaysia63
- Drainage design consultants based in Egypt62
- Drainage design consultants based in Israel51
- Drainage design consultants based in Greece49
- Drainage design consultants based in Austria48
- Drainage design consultants based in Ireland48
- Drainage design consultants based in Poland47
- Drainage design consultants based in Belgium46
- Drainage design consultants based in Mexico45
- Drainage design consultants based in Portugal45
- Drainage design consultants based in Czechia42
- Drainage design consultants based in Denmark41
- Drainage design consultants based in Norway35
- Drainage design consultants based in Romania32
Cities
- Drainage design consultants based in Sao Paulo, Brazil82
- Drainage design consultants based in London, United Kingdom60
- Drainage design consultants based in Houston, United States53
- Drainage design consultants based in Belo Horizonte, Brazil42
- Drainage design consultants based in Auckland, New Zealand41
- Drainage design consultants based in Sydney, Australia37
- Drainage design consultants based in Rome, Italy36
- Drainage design consultants based in Austin, United States35
- Drainage design consultants based in Melbourne, Australia34
- Drainage design consultants based in Madrid, Spain31
Questions about this company list
What does Exact match mean for drainage design consultants?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many drainage design consultants did RevenueBase find worldwide?
The saved snapshot records 9,635 matching company records, 313,088 tracked contacts and 106,244 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 drainage design consultants worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/drainage-design-consultants.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 drainage design consultants worldwide
RevenueBase records 9,635 matching company records for drainage design consultants worldwide, with 313,088 tracked contacts and 106,244 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 drainage design consultants worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | AECOMaecom.com HQ: Dallas, TX, United StatesReported employees: 10001+ | Dallas, TX, United States | 10001+ | Exact match | 68,572 contacts → |
“AECOM is the global infrastructure leader, committed to delivering a better world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Tetra Techtetratech.com HQ: Pasadena, CA, United StatesReported employees: 10001+ | Pasadena, CA, United States | 10001+ | Exact match | 14,232 contacts → |
“Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Khatib & Alamikhatibalami.com HQ: Downtown, PolandReported employees: 5,001-10,000 | Downtown, Poland | 5,001-10,000 | Exact match | 6,495 contacts → |
“Khatib & Alami (K&A) is a multidisciplinary design consultancy which operates primarily across the Middle East & Africa, Levant, Central and South-East Asia, and Europe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | STVstvinc.com HQ: New York, TX, United StatesReported employees: 1,001-5,000 | New York, TX, United States | 1,001-5,000 | Exact match | 3,812 contacts → |
“Follow STV for practical insight into the infrastructure, ideas and people making communities better.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Multiconsultmulticonsult.no HQ: Oslo, NorwayReported employees: 1,001-5,000 | Oslo, Norway | 1,001-5,000 | Exact match | 2,654 contacts → |
“Multiconsult Norway is one of the leading firms of architectures, consulting engineers and designers in Norway.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Olssonolsson.com HQ: Lincoln, AR, United StatesReported employees: 1,001-5,000 | Lincoln, AR, United States | 1,001-5,000 | Exact match | 2,289 contacts → |
“Olsson is an engineering firm made up of people who craft expert solutions and designs that improve communities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Meinhardt Groupmeinhardtgroup.com HQ: Phnom Penh, SingaporeReported employees: 1,001-5,000 | Phnom Penh, Singapore | 1,001-5,000 | Exact match | 2,067 contacts → |
“Meinhardt is one of the most respected Asian-based engineering companies in the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Gamudagamuda.com HQ: Petaling Jaya, MalaysiaReported employees: 5,001-10,000 | Petaling Jaya, Malaysia | 5,001-10,000 | Exact match | 2,022 contacts → |
“Gamuda Berhad (29579-T) SSM: 19760100363 Gamuda Berhad is a regional engineering, property and infrastructure company based in Malaysia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Shaker Consultancy Groupshakergroup.com HQ: Cairo, EgyptReported employees: 1,001-5,000 | Cairo, Egypt | 1,001-5,000 | Exact match | 1,986 contacts → |
“Since its founding in 1982, Shaker has established itself as one of the leading engineering and design firms across the MENA region, with offices in 8 countries and projects…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Burns & Mcdonnell Indiaburnsmcd.com HQ: Vikhroli West, IndiaReported employees: 1,001-5,000 | Vikhroli West, India | 1,001-5,000 | Exact match | 1,874 contacts → |
“At Burns & McDonnell India, we are a diverse team of talented engineers with multidiscipline design and consultancy working across sectors in critical infrastructure: oil and gas…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Bowman Consultingbowman.com HQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 1,827 contacts → |
“Headquartered in Reston, Virginia, Bowman is a national engineering services firm delivering infrastructure solutions to customers who own, develop and maintain the built…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | CHA Consulting, INCchasolutions.com HQ: Albany, NH, United StatesReported employees: 1,001-5,000 | Albany, NH, United States | 1,001-5,000 | Exact match | 1,780 contacts → |
“CHA Consulting, Inc.(CHA) is an innovative, full-service engineering, design, consulting, and program/construction management firm providing a wide range of technology-enhanced…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Antea Group Nederlandanteagroup.nl HQ: Heerenveen, NetherlandsReported employees: 1,001-5,000 | Heerenveen, Netherlands | 1,001-5,000 | Exact match | 1,468 contacts → |
“Antea Group is het thuis van 1800 trotse ingenieurs en adviseurs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: New Delhi, IndiaReported employees: 1,001-5,000 | New Delhi, India | 1,001-5,000 | Exact match | 1,329 contacts → |
“A multi disciplinary engineering consultancy organisation, headquartered in New Delhi, India providing solutions globally.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Contech Engineered Solutionsconteches.com HQ: West Chester, ME, United StatesReported employees: 1,001-5,000 | West Chester, ME, United States | 1,001-5,000 | Exact match | 1,269 contacts → |
“Contech provides innovative, cost-effective site solutions to engineers, contractors, and developers on projects across North America.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Volkert, INCvolkert.com HQ: Mobile, AL, United StatesReported employees: 1,001-5,000 | Mobile, AL, United States | 1,001-5,000 | Exact match | 1,244 contacts → |
“Volkert’s history began in 1925 when it was founded in New Orleans as Doullut & Erwin to provide waterfront and heavy construction services, as well as airport design services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Voyants Solutions Private Limitedvoyants.in HQ: Gurgaon, IndiaReported employees: 1,001-5,000 | Gurgaon, India | 1,001-5,000 | Exact match | 1,204 contacts → |
“Where Engineering Meets Vision Voyants is an Indian-origin multinational infrastructure consulting firm delivering integrated solutions across the project lifecycle-from concept…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | David Evans And Associates, INCdeainc.com HQ: Portland, CA, United StatesReported employees: 501-1,000 | Portland, CA, United States | 501-1,000 | Exact match | 1,088 contacts → |
“Since its founding in 1976 in Portland, Oregon, DEA has become a recognized leader for progressive and sustainable design and management solutions for complex transportation, land…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Edmonton, MB, CanadaReported employees: 501-1,000 | Edmonton, MB, Canada | 501-1,000 | Exact match | 1,084 contacts → |
“At Associated, we are passionate about building communities that are vibrant, healthy and resilient and support economic growth.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | ARX Smart Mindsarx.ing HQ: Grono, TürkiyeReported employees: 1,001-5,000 | Grono, Türkiye | 1,001-5,000 | Exact match | 1,070 contacts → |
“We are a comprehensive network of specialists, expanding as we integrate talent and expertise.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Cardnostantec.com HQ: Fortitude Valley, CO, AustraliaReported employees: 1,001-5,000 | Fortitude Valley, CO, Australia | 1,001-5,000 | Exact match | 1,059 contacts → |
“Cardno is now officially Stantec.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Nippon Koei India Private Limitednkindia.in HQ: New Delhi, IndiaReported employees: 1,001-5,000 | New Delhi, India | 1,001-5,000 | Exact match | 985 contacts → |
“NK India is a part of the ID & E Group (formerly known as Nippon Koei Group) worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Pace Architecture, Engineering Planningpace-me.com HQ: Ahmed Al Jaber Street, KuwaitReported employees: 501-1,000 | Ahmed Al Jaber Street, Kuwait | 501-1,000 | Exact match | 960 contacts → |
“Pace is a leading multidisciplinary consultancy firm providing architecture, engineering and planning services to a wide range of public and private sector clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Grontmij Groupsweco.se HQ: Glostrup, SwedenReported employees: 10001+ | Glostrup, Sweden | 10001+ | Exact match | 923 contacts → |
“Grontmij is part of Sweco.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Robert Bird Grouprobertbird.com HQ: Brisbane, AustraliaReported employees: 501-1,000 | Brisbane, Australia | 501-1,000 | Exact match | 873 contacts → |
“Robert Bird Group (RBG), member of the Surbana Jurong Group, is a specialist structural, civil and construction engineering consultancy with over 800 employees across 12 offices…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 9,635 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Drainage design consultants: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
9,510 records in the displayed employee bands.
125 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 9,635 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Drainage design consultants by location
45 lists · largest firstEvery Drainage design consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Drainage design consultants based in the United States1,839
- Drainage design consultants based in the United Kingdom735
- Drainage design consultants based in Brazil578
- Drainage design consultants based in Australia489
- Drainage design consultants based in Germany463
- Drainage design consultants based in India458
- Drainage design consultants based in France328
- Drainage design consultants based in Italy306
- Drainage design consultants based in Canada260
- Drainage design consultants based in the Netherlands208
- Drainage design consultants based in South Africa203
- Drainage design consultants based in Spain145
- Drainage design consultants based in Colombia131
- Drainage design consultants based in Switzerland129
- Drainage design consultants based in New Zealand113
- Drainage design consultants based in Chile104
- Drainage design consultants based in the United Arab Emirates82
- Drainage design consultants based in Türkiye81
- Drainage design consultants based in Saudi Arabia75
- Drainage design consultants based in Sweden72
- Drainage design consultants based in Pakistan66
- Drainage design consultants based in Malaysia63
- Drainage design consultants based in Egypt62
- Drainage design consultants based in Israel51
- Drainage design consultants based in Greece49
- Drainage design consultants based in Austria48
- Drainage design consultants based in Ireland48
- Drainage design consultants based in Poland47
- Drainage design consultants based in Belgium46
- Drainage design consultants based in Mexico45
- Drainage design consultants based in Portugal45
- Drainage design consultants based in Czechia42
- Drainage design consultants based in Denmark41
- Drainage design consultants based in Norway35
- Drainage design consultants based in Romania32
Cities
- Drainage design consultants based in Sao Paulo, Brazil82
- Drainage design consultants based in London, United Kingdom60
- Drainage design consultants based in Houston, United States53
- Drainage design consultants based in Belo Horizonte, Brazil42
- Drainage design consultants based in Auckland, New Zealand41
- Drainage design consultants based in Sydney, Australia37
- Drainage design consultants based in Rome, Italy36
- Drainage design consultants based in Austin, United States35
- Drainage design consultants based in Melbourne, Australia34
- Drainage design consultants based in Madrid, Spain31
Questions about this company list
What does Exact match mean for drainage design consultants?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many drainage design consultants did RevenueBase find worldwide?
The saved snapshot records 9,635 matching company records, 313,088 tracked contacts and 106,244 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 drainage design consultants worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/drainage-design-consultants.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗