Company lists · Data refreshed November 2026
Top 25 Drainage design engineers worldwide
RevenueBase identified 8,298 company matches for drainage design engineers worldwide as of November 2026 and tracks 265,109 professional contacts across them, including 96,242 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 engineers 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 engineers 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 engineers 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 | 2,289 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 | |||||
| 6 | 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 | |||||
| 7 | 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 | |||||
| 8 | 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 | |||||
| 9 | 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 | |||||
| 10 | 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 | |||||
| 11 | 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 | |||||
| 12 | 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 | |||||
| 13 | 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 | |||||
| 14 | 1,059 contacts → | ||||
Exact match “Cardno is now officially Stantec.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 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 | |||||
| 16 | 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 | |||||
| 17 | 864 contacts → | ||||
Exact match “Theme Engineering Services Pvt.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 846 contacts → | ||||
Exact match “With more than 139 years of experience, H&H is a trusted, full-service infrastructure engineering firm delivering complex, forward-looking solutions that advance our clients’…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 838 contacts → | ||||
Exact match “Burgess & Niple (B&N) is a nationally recognized engineering and architecture design firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 820 contacts → | ||||
Exact match “Dorsch Holding GmbH – Abu Dhabi is part of Dorsch Global – a global network of planning and consulting companies, headquartered in Essen, Germany.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 810 contacts → | ||||
Exact match “At Wade Trim, we are committed to maximizing the value of your infrastructure investment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 801 contacts → | ||||
Exact match “For over 50 years the Parlym Group has managed to establish itself as a major player in industrial engineering all over the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 783 contacts → | ||||
Exact match “Oriental Consultants Global is a consulting company based in Japan that facilitates development in countries all around the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 781 contacts → | ||||
Exact match “TPF INGENIERÍA is one of the leading engineering companies in Spain, truly committed to innovation and excellence in all aspects of infrastructure development.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 754 contacts → | ||||
Exact match “EGEC is a multi-disciplinary engineering consultation firm working in the areas of Buildings & Facilities, Urban Development, Water and Environment & Transportation, with a strong…” 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 engineers”. 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 8,298 drainage design engineers worldwide
See the full list, filter by size, metro and specialty, and access 96,242 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Drainage design engineers 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 engineers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “drainage design engineers” 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 96,242 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 engineers by location
36 lists · largest firstEvery Drainage design engineers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Drainage design engineers based in the United States2,166
- Drainage design engineers based in the United Kingdom576
- Drainage design engineers based in Brazil502
- Drainage design engineers based in Germany404
- Drainage design engineers based in Australia399
- Drainage design engineers based in India293
- Drainage design engineers based in France258
- Drainage design engineers based in Italy257
- Drainage design engineers based in Canada243
- Drainage design engineers based in the Netherlands147
- Drainage design engineers based in South Africa139
- Drainage design engineers based in Spain121
- Drainage design engineers based in Switzerland112
- Drainage design engineers based in Colombia98
- Drainage design engineers based in Chile97
- Drainage design engineers based in New Zealand89
- Drainage design engineers based in Türkiye58
- Drainage design engineers based in Sweden49
- Drainage design engineers based in Israel47
- Drainage design engineers based in the United Arab Emirates45
- Drainage design engineers based in Austria43
- Drainage design engineers based in Belgium41
- Drainage design engineers based in Czechia39
- Drainage design engineers based in Greece39
- Drainage design engineers based in Poland37
- Drainage design engineers based in Portugal35
- Drainage design engineers based in Denmark32
- Drainage design engineers based in Ireland30
Cities
- Drainage design engineers based in Sao Paulo, Brazil72
- Drainage design engineers based in Houston, United States62
- Drainage design engineers based in London, United Kingdom43
- Drainage design engineers based in Austin, United States41
- Drainage design engineers based in Belo Horizonte, Brazil34
- Drainage design engineers based in Auckland, New Zealand33
- Drainage design engineers based in Sydney, Australia32
- Drainage design engineers based in Melbourne, Australia27
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 engineers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many drainage design engineers are there worldwide?
RevenueBase identified 8,298 company matches for drainage design engineers 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 engineers?
The United States leads with 2,166 companies, followed by the United Kingdom (576) and Brazil (502). Every drainage design engineers list by country and city is linked on this page.
Which city has the most drainage design engineers?
Sao Paulo leads with 72 company records, followed by Houston (62) and London (48).
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 96,242 professional contacts with verified work emails tracked across these 8,298 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.
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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 engineers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 8,298 matching company records for drainage design engineers worldwide, with 265,109 tracked contacts and 96,242 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 engineers 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 |  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. | |||||
| 6 |  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. | |||||
| 7 |  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. | |||||
| 8 |  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. | |||||
| 9 | 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. | |||||
| 10 |  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. | |||||
| 11 |  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. | |||||
| 12 | 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. | |||||
| 13 |  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. | |||||
| 14 |  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. | |||||
| 15 |  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. | |||||
| 16 |  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. | |||||
| 17 |  Theme Engineering Services Private Limitedthemeengineering.comHQ: Jaipur, IndiaReported employees: 1,001-5,000 | Jaipur, India | 1,001-5,000 | Exact match | 864 contacts → |
“Theme Engineering Services Pvt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  H&hhardestyhanover.comHQ: New York, FL, United StatesReported employees: 501-1,000 | New York, FL, United States | 501-1,000 | Exact match | 846 contacts → |
“With more than 139 years of experience, H&H is a trusted, full-service infrastructure engineering firm delivering complex, forward-looking solutions that advance our clients’…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Burgess & Nipleburgessniple.comHQ: Columbus, OH, United StatesReported employees: 501-1,000 | Columbus, OH, United States | 501-1,000 | Exact match | 838 contacts → |
“Burgess & Niple (B&N) is a nationally recognized engineering and architecture design firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Dorsch Holding Gmbh - ABU Dhabidorsch.aeHQ: Abu Dhabi, United Arab EmiratesReported employees: 501-1,000 | Abu Dhabi, United Arab Emirates | 501-1,000 | Exact match | 820 contacts → |
“Dorsch Holding GmbH – Abu Dhabi is part of Dorsch Global – a global network of planning and consulting companies, headquartered in Essen, Germany.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Wade Trimwadetrim.comHQ: Detroit, MI, United StatesReported employees: 501-1,000 | Detroit, MI, United States | 501-1,000 | Exact match | 810 contacts → |
“At Wade Trim, we are committed to maximizing the value of your infrastructure investment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Parlymparlym.comHQ: Estaque, FranceReported employees: 1,001-5,000 | Estaque, France | 1,001-5,000 | Exact match | 801 contacts → |
“For over 50 years the Parlym Group has managed to establish itself as a major player in industrial engineering all over the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Oriental Consultants Globalocglobal.jpHQ: Shinjuku-ku, JapanReported employees: 201-500 | Shinjuku-ku, Japan | 201-500 | Exact match | 783 contacts → |
“Oriental Consultants Global is a consulting company based in Japan that facilitates development in countries all around the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  TPF Ingenieríatpfingenieria.comHQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 781 contacts → |
“TPF INGENIERÍA is one of the leading engineering companies in Spain, truly committed to innovation and excellence in all aspects of infrastructure development.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  EGECegec-xprt.comHQ: Giza, EgyptReported employees: 501-1,000 | Giza, Egypt | 501-1,000 | Exact match | 754 contacts → |
“EGEC is a multi-disciplinary engineering consultation firm working in the areas of Buildings & Facilities, Urban Development, Water and Environment & Transportation, with a strong…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 8,298 company matches
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Drainage design engineers: 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
8,189 records in the displayed employee bands.
109 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 8,298 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 engineers by location
36 lists · largest firstEvery Drainage design engineers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Drainage design engineers based in the United States2,166
- Drainage design engineers based in the United Kingdom576
- Drainage design engineers based in Brazil502
- Drainage design engineers based in Germany404
- Drainage design engineers based in Australia399
- Drainage design engineers based in India293
- Drainage design engineers based in France258
- Drainage design engineers based in Italy257
- Drainage design engineers based in Canada243
- Drainage design engineers based in the Netherlands147
- Drainage design engineers based in South Africa139
- Drainage design engineers based in Spain121
- Drainage design engineers based in Switzerland112
- Drainage design engineers based in Colombia98
- Drainage design engineers based in Chile97
- Drainage design engineers based in New Zealand89
- Drainage design engineers based in Türkiye58
- Drainage design engineers based in Sweden49
- Drainage design engineers based in Israel47
- Drainage design engineers based in the United Arab Emirates45
- Drainage design engineers based in Austria43
- Drainage design engineers based in Belgium41
- Drainage design engineers based in Czechia39
- Drainage design engineers based in Greece39
- Drainage design engineers based in Poland37
- Drainage design engineers based in Portugal35
- Drainage design engineers based in Denmark32
- Drainage design engineers based in Ireland30
Cities
- Drainage design engineers based in Sao Paulo, Brazil72
- Drainage design engineers based in Houston, United States62
- Drainage design engineers based in London, United Kingdom43
- Drainage design engineers based in Austin, United States41
- Drainage design engineers based in Belo Horizonte, Brazil34
- Drainage design engineers based in Auckland, New Zealand33
- Drainage design engineers based in Sydney, Australia32
- Drainage design engineers based in Melbourne, Australia27
Questions about this company list
What does Exact match mean for drainage design engineers?
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 engineers did RevenueBase find worldwide?
The saved snapshot records 8,298 matching company records, 265,109 tracked contacts and 96,242 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
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Cite this list
RevenueBase Data Team. Top 25 drainage design engineers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/drainage-design-engineers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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Company intelligence · public preview
Top 25 drainage design engineers worldwide
RevenueBase records 8,298 matching company records for drainage design engineers worldwide, with 265,109 tracked contacts and 96,242 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 engineers 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 | 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. | |||||
| 6 | 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. | |||||
| 7 | 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. | |||||
| 8 | 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. | |||||
| 9 | 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. | |||||
| 10 | 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. | |||||
| 11 | 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. | |||||
| 12 | 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. | |||||
| 13 | 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. | |||||
| 14 | 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. | |||||
| 15 | 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. | |||||
| 16 | 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. | |||||
| 17 | Theme Engineering Services Private Limitedthemeengineering.com HQ: Jaipur, IndiaReported employees: 1,001-5,000 | Jaipur, India | 1,001-5,000 | Exact match | 864 contacts → |
“Theme Engineering Services Pvt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | H&hhardestyhanover.com HQ: New York, FL, United StatesReported employees: 501-1,000 | New York, FL, United States | 501-1,000 | Exact match | 846 contacts → |
“With more than 139 years of experience, H&H is a trusted, full-service infrastructure engineering firm delivering complex, forward-looking solutions that advance our clients’…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Burgess & Nipleburgessniple.com HQ: Columbus, OH, United StatesReported employees: 501-1,000 | Columbus, OH, United States | 501-1,000 | Exact match | 838 contacts → |
“Burgess & Niple (B&N) is a nationally recognized engineering and architecture design firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Dorsch Holding Gmbh - ABU Dhabidorsch.ae HQ: Abu Dhabi, United Arab EmiratesReported employees: 501-1,000 | Abu Dhabi, United Arab Emirates | 501-1,000 | Exact match | 820 contacts → |
“Dorsch Holding GmbH – Abu Dhabi is part of Dorsch Global – a global network of planning and consulting companies, headquartered in Essen, Germany.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Wade Trimwadetrim.com HQ: Detroit, MI, United StatesReported employees: 501-1,000 | Detroit, MI, United States | 501-1,000 | Exact match | 810 contacts → |
“At Wade Trim, we are committed to maximizing the value of your infrastructure investment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Parlymparlym.com HQ: Estaque, FranceReported employees: 1,001-5,000 | Estaque, France | 1,001-5,000 | Exact match | 801 contacts → |
“For over 50 years the Parlym Group has managed to establish itself as a major player in industrial engineering all over the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Oriental Consultants Globalocglobal.jp HQ: Shinjuku-ku, JapanReported employees: 201-500 | Shinjuku-ku, Japan | 201-500 | Exact match | 783 contacts → |
“Oriental Consultants Global is a consulting company based in Japan that facilitates development in countries all around the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | TPF Ingenieríatpfingenieria.com HQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 781 contacts → |
“TPF INGENIERÍA is one of the leading engineering companies in Spain, truly committed to innovation and excellence in all aspects of infrastructure development.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | EGECegec-xprt.com HQ: Giza, EgyptReported employees: 501-1,000 | Giza, Egypt | 501-1,000 | Exact match | 754 contacts → |
“EGEC is a multi-disciplinary engineering consultation firm working in the areas of Buildings & Facilities, Urban Development, Water and Environment & Transportation, with a strong…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 8,298 company matches
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Drainage design engineers: 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
8,189 records in the displayed employee bands.
109 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 8,298 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 engineers by location
36 lists · largest firstEvery Drainage design engineers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Drainage design engineers based in the United States2,166
- Drainage design engineers based in the United Kingdom576
- Drainage design engineers based in Brazil502
- Drainage design engineers based in Germany404
- Drainage design engineers based in Australia399
- Drainage design engineers based in India293
- Drainage design engineers based in France258
- Drainage design engineers based in Italy257
- Drainage design engineers based in Canada243
- Drainage design engineers based in the Netherlands147
- Drainage design engineers based in South Africa139
- Drainage design engineers based in Spain121
- Drainage design engineers based in Switzerland112
- Drainage design engineers based in Colombia98
- Drainage design engineers based in Chile97
- Drainage design engineers based in New Zealand89
- Drainage design engineers based in Türkiye58
- Drainage design engineers based in Sweden49
- Drainage design engineers based in Israel47
- Drainage design engineers based in the United Arab Emirates45
- Drainage design engineers based in Austria43
- Drainage design engineers based in Belgium41
- Drainage design engineers based in Czechia39
- Drainage design engineers based in Greece39
- Drainage design engineers based in Poland37
- Drainage design engineers based in Portugal35
- Drainage design engineers based in Denmark32
- Drainage design engineers based in Ireland30
Cities
- Drainage design engineers based in Sao Paulo, Brazil72
- Drainage design engineers based in Houston, United States62
- Drainage design engineers based in London, United Kingdom43
- Drainage design engineers based in Austin, United States41
- Drainage design engineers based in Belo Horizonte, Brazil34
- Drainage design engineers based in Auckland, New Zealand33
- Drainage design engineers based in Sydney, Australia32
- Drainage design engineers based in Melbourne, Australia27
Questions about this company list
What does Exact match mean for drainage design engineers?
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 engineers did RevenueBase find worldwide?
The saved snapshot records 8,298 matching company records, 265,109 tracked contacts and 96,242 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 engineers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/drainage-design-engineers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗