Company lists · Data refreshed November 2026
Top 25 Water resources planning services based in the United States
RevenueBase identified 687 company matches for water resources planning services associated with the United States as of November 2026 and tracks 46,226 professional contacts across them, including 23,340 with verified work emails. Seattle is the largest hub.
This list covers company matches for water resources planning services associated with the United States, 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.
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 water resources planning services based in the United States
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 | 2,306 contacts → | ||||
Exact match “As Hazen marks 75 years, we celebrate a legacy of absolute commitment to our clients while delivering the best technical work available anywhere.” 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 | 1,588 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 | |||||
| 7 | 1,107 contacts → | ||||
Exact match “As an Azuria owned company, Inframark is a widely recognized leader in Water Infrastructure Operations and Infrastructure Management Services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 923 contacts → | ||||
Exact match “At Parametrix, we help our clients imagine what's possible.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 829 contacts → | ||||
Exact match “Dudek is an environmental, planning, and engineering consulting firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 593 contacts → | ||||
Exact match “For over 100 years, Kennedy Jenks has provided engineering and scientific solutions for innovative water and environmental projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 509 contacts → | ||||
Exact match “Rincon Consultants is a multidisciplinary environmental, planning, and advisory firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 399 contacts → | ||||
Exact match “HRG assists with the planning, design, and management of community infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 385 contacts → | ||||
Exact match “Barton & Loguidice is a multidisciplinary consulting firm providing technical services to public and private clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 360 contacts → | ||||
Exact match “LSA is a diversified environmental, transportation, and community planning firm that evolved from a small consulting firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 358 contacts → | ||||
Exact match “AE2S is a specialized civil/environmental consulting engineering firm that provides professional services and our unique brand of extreme client service to clients in the upper…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 318 contacts → | ||||
Exact match “Tata & Howard is a 100% employee owned, award-winning, specialized consulting engineering firm dedicated to providing superior client service coupled with delivering…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 296 contacts → | ||||
Exact match “West Yost is a water-focused consulting engineering firm ranked by Fortune Magazine as one of the “Best Small and Medium Workplaces in Consulting and Professional Services” 2023 -…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 296 contacts → | ||||
Exact match “For more than 30 years, WSSI has been the trusted partner in environmental, regulatory, cultural resources, and water resources engineering consulting.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 286 contacts → | ||||
Exact match “Established in 1974, INTERA is a geosciences and engineering consulting firm focused on providing water resources and supply, environmental, mining, radioactive waste isolation…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 278 contacts → | ||||
Exact match “Matrix Design Group is an employee-owned planning, engineering, and consulting firm that helps communities, governments, and organizations plan, design, and deliver the systems…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 270 contacts → | ||||
Exact match “CSRS was acquired by Westwood Professional Services on June 30, 2025.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 242 contacts → | ||||
Exact match “Water is a powerful and precious resource that deserves responsible management.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 221 contacts → | ||||
Exact match “The trusted advisors for the public sector.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 191 contacts → | ||||
Exact match “Albert A.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 187 contacts → | ||||
Exact match “EKI Environment & Water, Inc.(EKI) is an employee-owned company that has provided comprehensive water resources and engineering services to public and private sector clients for…” 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 “water resources planning services”. 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 687 water resources planning services based in the United States
See the full list, filter by size, metro and specialty, and access 23,340 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Water resources planning services based in the United States at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 687 companies.
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.
- What qualifies
- Company records associated with the United States whose business descriptions match “water resources planning services” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 23,340 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.
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 “water resources planning services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many water resources planning services are there based in the United States?
RevenueBase identified 687 company matches for water resources planning services associated with the United States 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 city has the most water resources planning services?
Seattle leads with 16 company records, followed by Houston (15) and Portland (15).
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 23,340 professional contacts with verified work emails tracked across these 687 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 687 water resources planning services based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Water resources planning services by geography
- Water resources planning services based in Australia
- Water resources planning services based in Austria
- Water resources planning services based in Brazil
- Water resources planning services based in Canada
- Water resources planning services based in Chile
- Water resources planning services based in France
- Water resources planning services based in Germany
- Water resources planning services based in India
- Water resources planning services based in Italy
- Water resources planning services based in the Netherlands
- Water resources planning services based in New Zealand
- Water resources planning services based in South Africa
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Water resources planning services based in Australia
- Water resources planning services based in Austria
- Water resources planning services based in Brazil
- Water resources planning services based in Canada
- Water resources planning services based in Chile
- Water resources planning services based in France
Company intelligence · public preview
Top 25 water resources planning services based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 687 matching company records for water resources planning services based in the United States, with 46,226 tracked contacts and 23,340 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 water resources planning services based in the United States
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 |  Hazen And Sawyerhazenandsawyer.comHQ: New York, CO, United StatesReported employees: 1,001-5,000 | New York, CO, United States | 1,001-5,000 | Exact match | 2,306 contacts → |
“As Hazen marks 75 years, we celebrate a legacy of absolute commitment to our clients while delivering the best technical work available anywhere.” 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 |  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. | |||||
| 7 |  Inframarkinframark.comHQ: Horsham, PA, United StatesReported employees: 1,001-5,000 | Horsham, PA, United States | 1,001-5,000 | Exact match | 1,107 contacts → |
“As an Azuria owned company, Inframark is a widely recognized leader in Water Infrastructure Operations and Infrastructure Management Services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Parametrixparametrix.comHQ: Seattle, WA, United StatesReported employees: 501-1,000 | Seattle, WA, United States | 501-1,000 | Exact match | 923 contacts → |
“At Parametrix, we help our clients imagine what's possible.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  DUDEKdudek.comHQ: Encinitas, CA, United StatesReported employees: 501-1,000 | Encinitas, CA, United States | 501-1,000 | Exact match | 829 contacts → |
“Dudek is an environmental, planning, and engineering consulting firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Kennedy Jenkskennedyjenks.comHQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 593 contacts → |
“For over 100 years, Kennedy Jenks has provided engineering and scientific solutions for innovative water and environmental projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Rincon Consultantsrinconconsultants.comHQ: Ventura, CA, United StatesReported employees: 501-1,000 | Ventura, CA, United States | 501-1,000 | Exact match | 509 contacts → |
“Rincon Consultants is a multidisciplinary environmental, planning, and advisory firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Herbert, Rowland & Grubic, Inc. - HRGhrg-inc.comHQ: Harrisburg, PA, United StatesReported employees: 201-500 | Harrisburg, PA, United States | 201-500 | Exact match | 399 contacts → |
“HRG assists with the planning, design, and management of community infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Barton & Loguidicebartonandloguidice.comHQ: Liverpool, NY, United StatesReported employees: 201-500 | Liverpool, NY, United States | 201-500 | Exact match | 385 contacts → |
“Barton & Loguidice is a multidisciplinary consulting firm providing technical services to public and private clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  LSAlsa.netHQ: Irvine, CA, United StatesReported employees: 201-500 | Irvine, CA, United States | 201-500 | Exact match | 360 contacts → |
“LSA is a diversified environmental, transportation, and community planning firm that evolved from a small consulting firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Grand Forks, ND, United StatesReported employees: 201-500 | Grand Forks, ND, United States | 201-500 | Exact match | 358 contacts → |
“AE2S is a specialized civil/environmental consulting engineering firm that provides professional services and our unique brand of extreme client service to clients in the upper…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Tata & Howard, INCtataandhoward.comHQ: Marlborough, AZ, United StatesReported employees: 51-200 | Marlborough, AZ, United States | 51-200 | Exact match | 318 contacts → |
“Tata & Howard is a 100% employee owned, award-winning, specialized consulting engineering firm dedicated to providing superior client service coupled with delivering…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  West Yostwestyost.comHQ: Davis, OR, United StatesReported employees: 201-500 | Davis, OR, United States | 201-500 | Exact match | 296 contacts → |
“West Yost is a water-focused consulting engineering firm ranked by Fortune Magazine as one of the “Best Small and Medium Workplaces in Consulting and Professional Services” 2023 -…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Gainesville, NC, United StatesReported employees: 201-500 | Gainesville, NC, United States | 201-500 | Exact match | 296 contacts → |
“For more than 30 years, WSSI has been the trusted partner in environmental, regulatory, cultural resources, and water resources engineering consulting.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Intera Incorporatedintera.comHQ: Austin, FL, United StatesReported employees: 201-500 | Austin, FL, United States | 201-500 | Exact match | 286 contacts → |
“Established in 1974, INTERA is a geosciences and engineering consulting firm focused on providing water resources and supply, environmental, mining, radioactive waste isolation…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Matrix Design Group, INCmatrixdesigngroup.comHQ: Colorado Springs, AL, United StatesReported employees: 201-500 | Colorado Springs, AL, United States | 201-500 | Exact match | 278 contacts → |
“Matrix Design Group is an employee-owned planning, engineering, and consulting firm that helps communities, governments, and organizations plan, design, and deliver the systems…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Csrs, A Westwood Companycsrsinc.comHQ: Baton Rouge, LA, United StatesReported employees: 51-200 | Baton Rouge, LA, United States | 51-200 | Exact match | 270 contacts → |
“CSRS was acquired by Westwood Professional Services on June 30, 2025.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Mcmillenmcmillen.comHQ: Boise, WY, United StatesReported employees: 201-500 | Boise, WY, United States | 201-500 | Exact match | 242 contacts → |
“Water is a powerful and precious resource that deserves responsible management.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Raftelisraftelis.comHQ: Charlotte, WA, United StatesReported employees: 201-500 | Charlotte, WA, United States | 201-500 | Exact match | 221 contacts → |
“The trusted advisors for the public sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Albert A. Webb Associates Webbwebbassociates.comHQ: Riverside, CA, United StatesReported employees: 51-200 | Riverside, CA, United States | 51-200 | Exact match | 191 contacts → |
“Albert A.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  EKI Environment & Water, INCekiconsult.comHQ: Corte Madera, CA, United StatesReported employees: 51-200 | Corte Madera, CA, United States | 51-200 | Exact match | 187 contacts → |
“EKI Environment & Water, Inc.(EKI) is an employee-owned company that has provided comprehensive water resources and engineering services to public and private sector clients for…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 687 company matches
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Water resources planning services: 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
683 records in the displayed employee bands.
4 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 687 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 ↗
Questions about this company list
What does Exact match mean for water resources planning services?
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 water resources planning services did RevenueBase find based in the United States?
The saved snapshot records 687 matching company records, 46,226 tracked contacts and 23,340 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
Water resources planning services by geography
- Water resources planning services based in Australia
- Water resources planning services based in Austria
- Water resources planning services based in Brazil
- Water resources planning services based in Canada
- Water resources planning services based in Chile
- Water resources planning services based in France
- Water resources planning services based in Germany
- Water resources planning services based in India
- Water resources planning services based in Italy
- Water resources planning services based in the Netherlands
- Water resources planning services based in New Zealand
- Water resources planning services based in South Africa
Cite this list
RevenueBase Data Team. Top 25 water resources planning services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/water-resources-planning-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Water resources planning services based in Australia
- Water resources planning services based in Austria
- Water resources planning services based in Brazil
- Water resources planning services based in Canada
- Water resources planning services based in Chile
- Water resources planning services based in France
Company intelligence · public preview
Top 25 water resources planning services based in the United States
RevenueBase records 687 matching company records for water resources planning services based in the United States, with 46,226 tracked contacts and 23,340 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 water resources planning services based in the United States
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 | Hazen And Sawyerhazenandsawyer.com HQ: New York, CO, United StatesReported employees: 1,001-5,000 | New York, CO, United States | 1,001-5,000 | Exact match | 2,306 contacts → |
“As Hazen marks 75 years, we celebrate a legacy of absolute commitment to our clients while delivering the best technical work available anywhere.” 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 | 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. | |||||
| 7 | Inframarkinframark.com HQ: Horsham, PA, United StatesReported employees: 1,001-5,000 | Horsham, PA, United States | 1,001-5,000 | Exact match | 1,107 contacts → |
“As an Azuria owned company, Inframark is a widely recognized leader in Water Infrastructure Operations and Infrastructure Management Services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Parametrixparametrix.com HQ: Seattle, WA, United StatesReported employees: 501-1,000 | Seattle, WA, United States | 501-1,000 | Exact match | 923 contacts → |
“At Parametrix, we help our clients imagine what's possible.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | DUDEKdudek.com HQ: Encinitas, CA, United StatesReported employees: 501-1,000 | Encinitas, CA, United States | 501-1,000 | Exact match | 829 contacts → |
“Dudek is an environmental, planning, and engineering consulting firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Kennedy Jenkskennedyjenks.com HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 593 contacts → |
“For over 100 years, Kennedy Jenks has provided engineering and scientific solutions for innovative water and environmental projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Rincon Consultantsrinconconsultants.com HQ: Ventura, CA, United StatesReported employees: 501-1,000 | Ventura, CA, United States | 501-1,000 | Exact match | 509 contacts → |
“Rincon Consultants is a multidisciplinary environmental, planning, and advisory firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Herbert, Rowland & Grubic, Inc. - HRGhrg-inc.com HQ: Harrisburg, PA, United StatesReported employees: 201-500 | Harrisburg, PA, United States | 201-500 | Exact match | 399 contacts → |
“HRG assists with the planning, design, and management of community infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Barton & Loguidicebartonandloguidice.com HQ: Liverpool, NY, United StatesReported employees: 201-500 | Liverpool, NY, United States | 201-500 | Exact match | 385 contacts → |
“Barton & Loguidice is a multidisciplinary consulting firm providing technical services to public and private clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | LSAlsa.net HQ: Irvine, CA, United StatesReported employees: 201-500 | Irvine, CA, United States | 201-500 | Exact match | 360 contacts → |
“LSA is a diversified environmental, transportation, and community planning firm that evolved from a small consulting firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Grand Forks, ND, United StatesReported employees: 201-500 | Grand Forks, ND, United States | 201-500 | Exact match | 358 contacts → |
“AE2S is a specialized civil/environmental consulting engineering firm that provides professional services and our unique brand of extreme client service to clients in the upper…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Tata & Howard, INCtataandhoward.com HQ: Marlborough, AZ, United StatesReported employees: 51-200 | Marlborough, AZ, United States | 51-200 | Exact match | 318 contacts → |
“Tata & Howard is a 100% employee owned, award-winning, specialized consulting engineering firm dedicated to providing superior client service coupled with delivering…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | West Yostwestyost.com HQ: Davis, OR, United StatesReported employees: 201-500 | Davis, OR, United States | 201-500 | Exact match | 296 contacts → |
“West Yost is a water-focused consulting engineering firm ranked by Fortune Magazine as one of the “Best Small and Medium Workplaces in Consulting and Professional Services” 2023 -…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Gainesville, NC, United StatesReported employees: 201-500 | Gainesville, NC, United States | 201-500 | Exact match | 296 contacts → |
“For more than 30 years, WSSI has been the trusted partner in environmental, regulatory, cultural resources, and water resources engineering consulting.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Intera Incorporatedintera.com HQ: Austin, FL, United StatesReported employees: 201-500 | Austin, FL, United States | 201-500 | Exact match | 286 contacts → |
“Established in 1974, INTERA is a geosciences and engineering consulting firm focused on providing water resources and supply, environmental, mining, radioactive waste isolation…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Matrix Design Group, INCmatrixdesigngroup.com HQ: Colorado Springs, AL, United StatesReported employees: 201-500 | Colorado Springs, AL, United States | 201-500 | Exact match | 278 contacts → |
“Matrix Design Group is an employee-owned planning, engineering, and consulting firm that helps communities, governments, and organizations plan, design, and deliver the systems…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Csrs, A Westwood Companycsrsinc.com HQ: Baton Rouge, LA, United StatesReported employees: 51-200 | Baton Rouge, LA, United States | 51-200 | Exact match | 270 contacts → |
“CSRS was acquired by Westwood Professional Services on June 30, 2025.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Mcmillenmcmillen.com HQ: Boise, WY, United StatesReported employees: 201-500 | Boise, WY, United States | 201-500 | Exact match | 242 contacts → |
“Water is a powerful and precious resource that deserves responsible management.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Raftelisraftelis.com HQ: Charlotte, WA, United StatesReported employees: 201-500 | Charlotte, WA, United States | 201-500 | Exact match | 221 contacts → |
“The trusted advisors for the public sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Albert A. Webb Associates Webbwebbassociates.com HQ: Riverside, CA, United StatesReported employees: 51-200 | Riverside, CA, United States | 51-200 | Exact match | 191 contacts → |
“Albert A.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | EKI Environment & Water, INCekiconsult.com HQ: Corte Madera, CA, United StatesReported employees: 51-200 | Corte Madera, CA, United States | 51-200 | Exact match | 187 contacts → |
“EKI Environment & Water, Inc.(EKI) is an employee-owned company that has provided comprehensive water resources and engineering services to public and private sector clients for…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 687 company matches
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Water resources planning services: 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
683 records in the displayed employee bands.
4 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 687 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 ↗
Questions about this company list
What does Exact match mean for water resources planning services?
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 water resources planning services did RevenueBase find based in the United States?
The saved snapshot records 687 matching company records, 46,226 tracked contacts and 23,340 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
Water resources planning services by geography
- Water resources planning services based in Australia
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- Water resources planning services based in Canada
- Water resources planning services based in Chile
- Water resources planning services based in France
- Water resources planning services based in Germany
- Water resources planning services based in India
- Water resources planning services based in Italy
- Water resources planning services based in the Netherlands
- Water resources planning services based in New Zealand
- Water resources planning services based in South Africa
Cite this list
RevenueBase Data Team. Top 25 water resources planning services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/water-resources-planning-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Water resources planning services based in Canada
- Water resources planning services based in Chile
- Water resources planning services based in France