Company lists · Data refreshed November 2026
Top 25 Sewer system design consultants worldwide
RevenueBase identified 4,599 company matches for sewer system design consultants worldwide as of November 2026 and tracks 118,897 professional contacts across them, including 48,401 with verified work emails. The United States is the largest market and Houston the largest hub.
This list covers company matches for sewer system 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 sewer system 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 sewer system design consultants worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 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 | |||||
| 3 | 2,553 contacts → | ||||
Exact match “Headquartered in Walnut Creek, Calif, Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 2,206 contacts → | ||||
Exact match “Employee-Owned.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 1,837 contacts → | ||||
Exact match “For more than 90 years, Carollo Engineers has been dedicated exclusively to water and wastewater solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 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 | |||||
| 7 | 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 | |||||
| 8 | 1,588 contacts → | ||||
Exact match “Freese and Nichols is a professional planning, consulting and engineering firm serving clients across the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 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 | |||||
| 10 | 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 | |||||
| 11 | 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 | |||||
| 12 | 800 contacts → | ||||
Exact match “This page is now closed.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 786 contacts → | ||||
Exact match “Our award-winning projects are produced through innovation, creativity, and technical expertise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 784 contacts → | ||||
Exact match “HBK Engineering, LLC a Quanta Services Company is a fully licensed, professional engineering design firm headquartered in downtown Chicago providing civil, environmental…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 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 | |||||
| 16 | 731 contacts → | ||||
Exact match “Since its establishment, Ward & Burke has sought to develop and adopt the ideals and aspirations to civil engineering construction and currently delivers class leading, reliable…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 692 contacts → | ||||
Exact match “About H2M H2M architects + engineers is a multi-disciplinary professional consulting and design firm, proud of its long history of client service and consistent ability to meet…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 692 contacts → | ||||
Exact match “Founded in 1968, the C&S Companies are known nationwide for client-focused engineering, architecture, planning, environmental, and construction services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 681 contacts → | ||||
Exact match “Quiddity is an award-winning, full-service civil engineering, planning, surveying, and consulting firm providing innovative solutions for public infrastructure and private…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 649 contacts → | ||||
Exact match “At ISL, we share an enthusiasm for community infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 637 contacts → | ||||
Exact match “Neel-Schaffer is a multi-disciplined engineering, planning and construction management firm that was founded in 1983 and today is one of the largest private, employee-owned…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 584 contacts → | ||||
Exact match “For more than 60 years, it has been the quality of our people that defines the DOWL difference.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 577 contacts → | ||||
Exact match “Engicon is a multidisciplinary consulting engineering firm based in Amman.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 556 contacts → | ||||
Exact match “Cobb, Fendley & Associates, Inc.(CobbFendley) is a nationally recognized infrastructure solutions firm with a regional focus and a commitment to excellence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 540 contacts → | ||||
Exact match “T&M Associates is a leading engineering and technical services firm focused on innovative solutions that advance our clients’ goals and sustain communities.” 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 “sewer system 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 4,599 sewer system design consultants worldwide
See the full list, filter by size, metro and specialty, and access 48,401 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Sewer system 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 sewer system design consultants are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “sewer system 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 48,401 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.
Sewer system design consultants by location
22 lists · largest firstEvery Sewer system design consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Sewer system design consultants based in the United States1,505
- Sewer system design consultants based in Germany315
- Sewer system design consultants based in Brazil281
- Sewer system design consultants based in Canada177
- Sewer system design consultants based in India140
- Sewer system design consultants based in France125
- Sewer system design consultants based in Australia100
- Sewer system design consultants based in Italy98
- Sewer system design consultants based in Colombia81
- Sewer system design consultants based in the United Kingdom79
- Sewer system design consultants based in South Africa77
- Sewer system design consultants based in Chile71
- Sewer system design consultants based in Switzerland65
- Sewer system design consultants based in Spain64
- Sewer system design consultants based in the Netherlands60
- Sewer system design consultants based in Türkiye47
- Sewer system design consultants based in Sweden46
- Sewer system design consultants based in Greece32
- Sewer system design consultants based in Austria27
Cities
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 “sewer system design consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many sewer system design consultants are there worldwide?
RevenueBase identified 4,599 company matches for sewer system 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?
Tetra Tech tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most sewer system design consultants?
The United States leads with 1,505 companies, followed by Germany (315) and Brazil (281). Every sewer system design consultants list by country and city is linked on this page.
Which city has the most sewer system design consultants?
Houston leads with 53 company records, followed by Sao Paulo (47) and Tehran (41).
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 48,401 professional contacts with verified work emails tracked across these 4,599 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 4,599 sewer system design consultants worldwide. Start with a free account, no credit card.
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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 sewer system 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 4,599 matching company records for sewer system design consultants worldwide, with 118,897 tracked contacts and 48,401 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 sewer system 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 |  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. | |||||
| 2 |  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. | |||||
| 3 |  Brown And Caldwellbrownandcaldwell.comHQ: Walnut Creek, CA, United StatesReported employees: 1,001-5,000 | Walnut Creek, CA, United States | 1,001-5,000 | Exact match | 2,553 contacts → |
“Headquartered in Walnut Creek, Calif, Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  LJAlja.comHQ: Griffin, GA, United StatesReported employees: 1,001-5,000 | Griffin, GA, United States | 1,001-5,000 | Exact match | 2,206 contacts → |
“Employee-Owned.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Carollo Engineerscarollo.comHQ: Walnut Creek, NV, United StatesReported employees: 1,001-5,000 | Walnut Creek, NV, United States | 1,001-5,000 | Exact match | 1,837 contacts → |
“For more than 90 years, Carollo Engineers has been dedicated exclusively to water and wastewater solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  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. | |||||
| 7 |  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. | |||||
| 8 |  Freese And Nicholsfreese.comHQ: Fort Worth, TX, United StatesReported employees: 1,001-5,000 | Fort Worth, TX, United States | 1,001-5,000 | Exact match | 1,588 contacts → |
“Freese and Nichols is a professional planning, consulting and engineering firm serving clients across the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  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. | |||||
| 10 |  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. | |||||
| 11 |  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. | |||||
| 12 |  Hatch Mott Macdonaldhatchmott.comHQ: Iselin, NJ, United StatesReported employees: 1,001-5,000 | Iselin, NJ, United States | 1,001-5,000 | Exact match | 800 contacts → |
“This page is now closed.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Psomaspsomas.comHQ: Los Angeles, CA, United StatesReported employees: 501-1,000 | Los Angeles, CA, United States | 501-1,000 | Exact match | 786 contacts → |
“Our award-winning projects are produced through innovation, creativity, and technical expertise.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  HBK Engineering, LLChbkengineering.comHQ: Chicago, TX, United StatesReported employees: 501-1,000 | Chicago, TX, United States | 501-1,000 | Exact match | 784 contacts → |
“HBK Engineering, LLC a Quanta Services Company is a fully licensed, professional engineering design firm headquartered in downtown Chicago providing civil, environmental…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  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. | |||||
| 16 |  Ward And Burkewardandburke.comHQ: Kilcolgan, TX, IrelandReported employees: 1,001-5,000 | Kilcolgan, TX, Ireland | 1,001-5,000 | Exact match | 731 contacts → |
“Since its establishment, Ward & Burke has sought to develop and adopt the ideals and aspirations to civil engineering construction and currently delivers class leading, reliable…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  H2m Architects Engineersh2m.comHQ: Melville, CT, United StatesReported employees: 501-1,000 | Melville, CT, United States | 501-1,000 | Exact match | 692 contacts → |
“About H2M H2M architects + engineers is a multi-disciplinary professional consulting and design firm, proud of its long history of client service and consistent ability to meet…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  C&s Companiescscos.comHQ: Syracuse, NY, United StatesReported employees: 501-1,000 | Syracuse, NY, United States | 501-1,000 | Exact match | 692 contacts → |
“Founded in 1968, the C&S Companies are known nationwide for client-focused engineering, architecture, planning, environmental, and construction services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Quiddityquiddity.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 681 contacts → |
“Quiddity is an award-winning, full-service civil engineering, planning, surveying, and consulting firm providing innovative solutions for public infrastructure and private…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  ISLislengineering.comHQ: Edmonton, BC, CanadaReported employees: 501-1,000 | Edmonton, BC, Canada | 501-1,000 | Exact match | 649 contacts → |
“At ISL, we share an enthusiasm for community infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Neel-Schaffer, INCneel-schaffer.comHQ: Jackson, MS, United StatesReported employees: 501-1,000 | Jackson, MS, United States | 501-1,000 | Exact match | 637 contacts → |
“Neel-Schaffer is a multi-disciplined engineering, planning and construction management firm that was founded in 1983 and today is one of the largest private, employee-owned…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  DOWLdowl.comHQ: Bellevue, WY, United StatesReported employees: 501-1,000 | Bellevue, WY, United States | 501-1,000 | Exact match | 584 contacts → |
“For more than 60 years, it has been the quality of our people that defines the DOWL difference.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Engiconengicon.comHQ: Amman, JordanReported employees: 501-1,000 | Amman, Jordan | 501-1,000 | Exact match | 577 contacts → |
“Engicon is a multidisciplinary consulting engineering firm based in Amman.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Cobb, Fendley & Associates, INCcobbfendley.comHQ: Houston, FL, United StatesReported employees: 501-1,000 | Houston, FL, United States | 501-1,000 | Exact match | 556 contacts → |
“Cobb, Fendley & Associates, Inc.(CobbFendley) is a nationally recognized infrastructure solutions firm with a regional focus and a commitment to excellence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  T&m Associatestandmassociates.comHQ: Middletown, NJ, United StatesReported employees: 201-500 | Middletown, NJ, United States | 201-500 | Exact match | 540 contacts → |
“T&M Associates is a leading engineering and technical services firm focused on innovative solutions that advance our clients’ goals and sustain communities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 4,599 company matches
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Sewer system 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
4,540 records in the displayed employee bands.
59 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 4,599 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 ↗
Sewer system design consultants by location
22 lists · largest firstEvery Sewer system design consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Sewer system design consultants based in the United States1,505
- Sewer system design consultants based in Germany315
- Sewer system design consultants based in Brazil281
- Sewer system design consultants based in Canada177
- Sewer system design consultants based in India140
- Sewer system design consultants based in France125
- Sewer system design consultants based in Australia100
- Sewer system design consultants based in Italy98
- Sewer system design consultants based in Colombia81
- Sewer system design consultants based in the United Kingdom79
- Sewer system design consultants based in South Africa77
- Sewer system design consultants based in Chile71
- Sewer system design consultants based in Switzerland65
- Sewer system design consultants based in Spain64
- Sewer system design consultants based in the Netherlands60
- Sewer system design consultants based in Türkiye47
- Sewer system design consultants based in Sweden46
- Sewer system design consultants based in Greece32
- Sewer system design consultants based in Austria27
Cities
Questions about this company list
What does Exact match mean for sewer system 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 sewer system design consultants did RevenueBase find worldwide?
The saved snapshot records 4,599 matching company records, 118,897 tracked contacts and 48,401 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.
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Cite this list
RevenueBase Data Team. Top 25 sewer system design consultants worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/sewer-system-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 sewer system design consultants worldwide
RevenueBase records 4,599 matching company records for sewer system design consultants worldwide, with 118,897 tracked contacts and 48,401 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 sewer system 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 | 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. | |||||
| 2 | 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. | |||||
| 3 | Brown And Caldwellbrownandcaldwell.com HQ: Walnut Creek, CA, United StatesReported employees: 1,001-5,000 | Walnut Creek, CA, United States | 1,001-5,000 | Exact match | 2,553 contacts → |
“Headquartered in Walnut Creek, Calif, Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | LJAlja.com HQ: Griffin, GA, United StatesReported employees: 1,001-5,000 | Griffin, GA, United States | 1,001-5,000 | Exact match | 2,206 contacts → |
“Employee-Owned.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Carollo Engineerscarollo.com HQ: Walnut Creek, NV, United StatesReported employees: 1,001-5,000 | Walnut Creek, NV, United States | 1,001-5,000 | Exact match | 1,837 contacts → |
“For more than 90 years, Carollo Engineers has been dedicated exclusively to water and wastewater solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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. | |||||
| 7 | 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. | |||||
| 8 | Freese And Nicholsfreese.com HQ: Fort Worth, TX, United StatesReported employees: 1,001-5,000 | Fort Worth, TX, United States | 1,001-5,000 | Exact match | 1,588 contacts → |
“Freese and Nichols is a professional planning, consulting and engineering firm serving clients across the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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. | |||||
| 10 | 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. | |||||
| 11 | 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. | |||||
| 12 | Hatch Mott Macdonaldhatchmott.com HQ: Iselin, NJ, United StatesReported employees: 1,001-5,000 | Iselin, NJ, United States | 1,001-5,000 | Exact match | 800 contacts → |
“This page is now closed.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Psomaspsomas.com HQ: Los Angeles, CA, United StatesReported employees: 501-1,000 | Los Angeles, CA, United States | 501-1,000 | Exact match | 786 contacts → |
“Our award-winning projects are produced through innovation, creativity, and technical expertise.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HBK Engineering, LLChbkengineering.com HQ: Chicago, TX, United StatesReported employees: 501-1,000 | Chicago, TX, United States | 501-1,000 | Exact match | 784 contacts → |
“HBK Engineering, LLC a Quanta Services Company is a fully licensed, professional engineering design firm headquartered in downtown Chicago providing civil, environmental…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 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. | |||||
| 16 | Ward And Burkewardandburke.com HQ: Kilcolgan, TX, IrelandReported employees: 1,001-5,000 | Kilcolgan, TX, Ireland | 1,001-5,000 | Exact match | 731 contacts → |
“Since its establishment, Ward & Burke has sought to develop and adopt the ideals and aspirations to civil engineering construction and currently delivers class leading, reliable…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | H2m Architects Engineersh2m.com HQ: Melville, CT, United StatesReported employees: 501-1,000 | Melville, CT, United States | 501-1,000 | Exact match | 692 contacts → |
“About H2M H2M architects + engineers is a multi-disciplinary professional consulting and design firm, proud of its long history of client service and consistent ability to meet…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | C&s Companiescscos.com HQ: Syracuse, NY, United StatesReported employees: 501-1,000 | Syracuse, NY, United States | 501-1,000 | Exact match | 692 contacts → |
“Founded in 1968, the C&S Companies are known nationwide for client-focused engineering, architecture, planning, environmental, and construction services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Quiddityquiddity.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 681 contacts → |
“Quiddity is an award-winning, full-service civil engineering, planning, surveying, and consulting firm providing innovative solutions for public infrastructure and private…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | ISLislengineering.com HQ: Edmonton, BC, CanadaReported employees: 501-1,000 | Edmonton, BC, Canada | 501-1,000 | Exact match | 649 contacts → |
“At ISL, we share an enthusiasm for community infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Neel-Schaffer, INCneel-schaffer.com HQ: Jackson, MS, United StatesReported employees: 501-1,000 | Jackson, MS, United States | 501-1,000 | Exact match | 637 contacts → |
“Neel-Schaffer is a multi-disciplined engineering, planning and construction management firm that was founded in 1983 and today is one of the largest private, employee-owned…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | DOWLdowl.com HQ: Bellevue, WY, United StatesReported employees: 501-1,000 | Bellevue, WY, United States | 501-1,000 | Exact match | 584 contacts → |
“For more than 60 years, it has been the quality of our people that defines the DOWL difference.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Engiconengicon.com HQ: Amman, JordanReported employees: 501-1,000 | Amman, Jordan | 501-1,000 | Exact match | 577 contacts → |
“Engicon is a multidisciplinary consulting engineering firm based in Amman.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Cobb, Fendley & Associates, INCcobbfendley.com HQ: Houston, FL, United StatesReported employees: 501-1,000 | Houston, FL, United States | 501-1,000 | Exact match | 556 contacts → |
“Cobb, Fendley & Associates, Inc.(CobbFendley) is a nationally recognized infrastructure solutions firm with a regional focus and a commitment to excellence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | T&m Associatestandmassociates.com HQ: Middletown, NJ, United StatesReported employees: 201-500 | Middletown, NJ, United States | 201-500 | Exact match | 540 contacts → |
“T&M Associates is a leading engineering and technical services firm focused on innovative solutions that advance our clients’ goals and sustain communities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Sewer system 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
4,540 records in the displayed employee bands.
59 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 4,599 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 ↗
Sewer system design consultants by location
22 lists · largest firstEvery Sewer system design consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Sewer system design consultants based in the United States1,505
- Sewer system design consultants based in Germany315
- Sewer system design consultants based in Brazil281
- Sewer system design consultants based in Canada177
- Sewer system design consultants based in India140
- Sewer system design consultants based in France125
- Sewer system design consultants based in Australia100
- Sewer system design consultants based in Italy98
- Sewer system design consultants based in Colombia81
- Sewer system design consultants based in the United Kingdom79
- Sewer system design consultants based in South Africa77
- Sewer system design consultants based in Chile71
- Sewer system design consultants based in Switzerland65
- Sewer system design consultants based in Spain64
- Sewer system design consultants based in the Netherlands60
- Sewer system design consultants based in Türkiye47
- Sewer system design consultants based in Sweden46
- Sewer system design consultants based in Greece32
- Sewer system design consultants based in Austria27
Cities
Questions about this company list
What does Exact match mean for sewer system 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 sewer system design consultants did RevenueBase find worldwide?
The saved snapshot records 4,599 matching company records, 118,897 tracked contacts and 48,401 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.
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Cite this list
RevenueBase Data Team. Top 25 sewer system design consultants worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/sewer-system-design-consultants.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗