Company lists · Data refreshed September 2026

Top 25 Water infrastructure consulting firms based in New York, United States

Name: Water infrastructure consulting firms based in New York, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 51 companies tracked

RevenueBase identified 51 company matches for water infrastructure consulting firms associated with New York, United States as of September 2026 and tracks 17,738 professional contacts across them, including 10,234 with verified work emails. Across the United States, Houston is the largest hub for this category (123 companies); New York follows with 51.

This list covers company matches for water infrastructure consulting firms associated with New York, 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 September 29, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 29, 2026 How this list was built

51Companies

17,738Contacts tracked

10,234Verified emails

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The 25 largest water infrastructure consulting firms based in New York, United States

Ranked by team size

Top 25 of 51 company matches for water infrastructure consulting firms based in New York, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	WSP In The U.S	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	10001+	9,318 contacts →
	Exact match “What if you could shape built and natural environments – and the future of those that use them?” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	STV	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	1,001-5,000	3,556 contacts →
	Exact match “STV offers professional services for the infrastructure that powers our lives.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3	Hazen And Sawyer	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	1,001-5,000	2,100 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 · Sep 29, 2026 · View company records in RevenueBase
4	H&h	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	501-1,000	530 contacts →
	Exact match “With more than 139 years of experience, H&H is a trusted, full-service infrastructure engineering firm delivering complex, forward-looking solutions that advance our clients’…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	CSA Group, Architects And Engineers	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	501-1,000	448 contacts →
	Exact match “CSA Group is a full-service, A/E/Env, PM/CM & Inspections, and Emergency Management consulting firm.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6	Entech	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	201-500	282 contacts →
	Exact match “EnTech Engineering, PC is a multidisciplinary, WBE-certified engineering and construction management firm devoted to delivering best-in-class design and construction support…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7	HAKS	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	501-1,000	259 contacts →
	Exact match “From humble beginnings in 1991 as a 2-person company in New York City, we have now grown into a 500-person strong consulting firm, with 15 regional offices in the US (and India).” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	Eng-Wong, Taub & Associates	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	n/a	231 contacts →
	Exact match “This month marks a new and exciting beginning for Eng-Wong, Taub & Associates.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	Systra USA	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	51-200	196 contacts →
	Exact match “SYSTRA USA, Inc.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	KC Engineering And Land Surveying, P.C	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	51-200	120 contacts →
	Exact match “KC is a diversified, multi-disciplined consulting engineering firm.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	Ammann & Whitney	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	201-500	101 contacts →
	Exact match “Ammann & Whitney is a full service engineering, architecture and construction support services firm serving public and private sector clients worldwide.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12	SI Engineering, P.C	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	51-200	95 contacts →
	Exact match “SI Engineering, P.C.(SIE) is a rapidly growing consulting engineering firm specializing in civil, structural, electrical/lighting, and transportation engineering; bridge and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	DM Enterprises	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	51-200	85 contacts →
	Exact match “DME is a leading Professional Services firm specializing in Project Controls, Program Management, Engineering and Construction Management services for Water & Wastewater…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	True Environmental	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	201-500	37 contacts →
	Exact match “True Environmental (“True”) is building a diversified environmental services organization focused on consulting and engineering, water/wastewater management, testing/analytical…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	The Fulcrum Group	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	11-50	35 contacts →
	Exact match “The Fulcrum Group is a trusted partner to owner-operators of mission-critical facilities and building energy infrastructure.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	Alan Margolin & Associates	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	11-50	22 contacts →
	Exact match “AMAA is a multi-disciplinary firm focused on consulting engineering headquartered in Manhattan, servicing the Eastern United States.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17	Boomi Environmental LLC	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	11-50	21 contacts →
	Exact match “Boomi Environmental LLC (Boomi) is a premier environmental consulting firm specializing in providing practical, sustainable, and cost-effective solutions to water, wastewater, and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	Edesign Dynamics	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	11-50	20 contacts →
	Exact match “eDESIGN DYNAMICS is an environmental engineering and planning firm committed to solving water and ecological resources challenges in the developed and developing worlds.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Crescit Executive Search	Exact match	New York, United StatesHQ recorded Sep 29, 2026	1-10	19 contacts →
	Exact match “At Crescit: Executive Search, we are passionate about connecting skilled engineering professionals with top firms in the US.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	JMV Consulting Engineering	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	11-50	16 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	Derive Engineers	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	11-50	11 contacts →
	Exact match “Derive Engineers is a multidisciplinary consulting engineering firm of skilled, passionate and experienced people.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	Hydro Tech Environmental Engineering And Geology, DPC	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	51-200	10 contacts →
	Exact match “HydroTech Environmental Engineering and Geology, DPC, is a specialized engineering and consultancy firm that offers comprehensive, integrated services across the Water…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	NEW York House Of Engineers	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	11-50	10 contacts →
	Exact match “NYHE is an independent firm of consultants, engineers, designers, Cost Professionals, and planners that offers an extensive range of expert services in engineering project…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	Mirabal Engineering	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	11-50	9 contacts →
	Exact match “At Mirabal⁺ we approach projects following a simple motto: defined goals, team commitment, and plan of action.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Philip Habib And Associates	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	11-50	9 contacts →
	Exact match “Philip Habib & Associates, P.E, P.C.(PHA) is a 35-person consulting engineering firm, specializing in the planning and design of transportation facilities, environmental studies…” Recorded in the RevenueBase company graph · Sep 29, 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 infrastructure consulting firms”. 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 51 water infrastructure consulting firms based in New York, United States

See the full list, filter by size, metro and specialty, and access 10,234 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Water infrastructure consulting firms based in New York, United States at a glance

As of Sep 29, 2026

57.7%Verified-email coverage

347.8Average contacts per company

11-50Median size (employees)

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Email recency for this list is measured across the whole United States list rather than for New York, so it is reported there. Company counts and contact totals on this page are exact for New York, over 51 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 New York, United States whose business descriptions match “water infrastructure consulting firms” 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 10,234 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 September 29, 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.

Water infrastructure consulting firms by metro in the United States

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 infrastructure consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many water infrastructure consulting firms are there based in New York, United States?

RevenueBase identified 51 company matches for water infrastructure consulting firms associated with New York, United States as of September 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?

WSP In The U.S tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most water infrastructure consulting firms?

Houston leads the United States with 123 company records, followed by New York (51) and Austin (49).

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 10,234 professional contacts with verified work emails tracked across these 51 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 September 29, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.