Company lists · Data refreshed September 2026

Top 23 Environmental consulting agencies based in New York, United States

Name: Environmental consulting agencies 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 21, 2026 89 companies tracked

RevenueBase identified 89 company matches for environmental consulting agencies associated with New York, United States as of September 2026 and tracks 3,971 professional contacts across them, including 2,351 with verified work emails. Across the United States, Houston is the largest hub for this category (127 companies); New York follows with 89.

This list covers company matches for environmental consulting agencies 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 21, 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 21, 2026 How this list was built

89Companies

3,971Contacts tracked

2,351Verified emails

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The 23 largest environmental consulting agencies based in New York, United States

Ranked by team size

Top 23 of 89 company matches for environmental consulting agencies based in New York, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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	Hazen And Sawyer	Exact match	New York, NY, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
2	Socotec US	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	1,001-5,000	492 contacts →
	Exact match “Welcome to SOCOTEC in the US, Trusted Expertise, From the Ground Up.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	AKRF	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	201-500	394 contacts →
	Exact match “Founded in 1981, AKRF employs 400 planners, engineers, scientists, economists, landscape designers, geologists, historians, archaeologists, acousticians, and many related…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	HAKS	Exact match	New York, NY, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
5	ALC Environmental	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	51-200	82 contacts →
	Exact match “ALC provides a wide range of environmental services from testing and reporting on potentially unsafe or hazardous conditions (asbestos, lead paint, indoor air quality/mold, soil…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	Northstar Group Services, INC	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	n/a	43 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	Sive, Paget & Riesel	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	11-50	42 contacts →
	Exact match “For over sixty years, Sive, Paget & Riesel (SPR) has been a recognized leader in environmental law and litigation, municipal and land use law.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	True Environmental	Exact match	New York, NY, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
9	KM Associates Of NEW York, INC	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	11-50	36 contacts →
	Exact match “KM Associates helps architects, engineers, and contractors move projects forward through building code and zoning consulting, project logistics, multiple-agency filling…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Great Forest	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	11-50	26 contacts →
	Exact match “Backed by 30+ years of experience, Great Forest is a leader in sustainable waste management consulting.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Boomi Environmental LLC	Exact match	New York, NY, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
12	Edesign Dynamics	Exact match	New York, NY, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
13	Sage Engineering	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	11-50	15 contacts →
	Exact match “SAGE Engineering is a New York City–based multidisciplinary engineering, safety, and environmental consulting firm where compliance and technical precision unite to shape a safer…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Ganey Science	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	1-10	11 contacts →
	Exact match “Ganey Science is a small business enterprise based in New York.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	Ambient Group, INC	Exact match	New York, United StatesHQ recorded Sep 21, 2026	51-200	11 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Maypole Environmental Inspections, LLC	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	11-50	10 contacts →
	Exact match “Maypole is a licensed inspection company with over 20 years of industry experience in navigating building codes and environmental hazards.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Utility Rates Analysts IS NOW Environ Energy	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	51-200	10 contacts →
	Exact match “URA is now part of Environ Energy, a leader in accelerating global sustainable energy transformation for more than 30 years.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Lawrence Env, LLC	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	11-50	9 contacts →
	Exact match “Lawrence Env LLC provides environmental due diligence and risk management consulting services to a broad spectrum of real estate clients.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Vektor Consultants	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	1-10	9 contacts →
	Exact match “An environmental consulting and construction management company providing an all-encompassing package to carry your projects to the next level.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Brookbridge Consulting Services, INC	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	11-50	9 contacts →
	Exact match “Brookbridge is in its fourth decade of providing clients with expert service in the procurement of all required approvals including the vast and complicated web of regulatory…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Hudson Peaks Consulting LLC	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	11-50	9 contacts →
	Exact match “Hudson Peaks Consulting LLC (HPCL) is a distinguished consulting firm, proudly holding certifications as both a Minority Business Enterprise (MBE) and a Disadvantaged Business…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	ND Shannon Associates, INC	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	11-50	9 contacts →
	Exact match “We’re a boutique consulting firm supporting the life sciences industry.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	The Casa Group, INC	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	11-50	7 contacts →
	Exact match “Headquartered in New York City, The CASA Group, Inc.” Recorded in the RevenueBase company graph · Sep 21, 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 “environmental consulting agencies”. 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 23 of 89 environmental consulting agencies based in New York, United States

See the full list, filter by size, metro and specialty, and access 2,351 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental consulting agencies based in New York, United States at a glance

As of Sep 21, 2026

59.2%Verified-email coverage

44.6Average contacts per company

1-10Median size (employees)

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 89 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 “environmental consulting agencies” 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 2,351 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 21, 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.

Environmental consulting agencies 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 “environmental consulting agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental consulting agencies are there based in New York, United States?

RevenueBase identified 89 company matches for environmental consulting agencies 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?

Hazen And Sawyer 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 environmental consulting agencies?

Houston leads the United States with 127 company records, followed by New York (89) and Seattle (72).

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 2,351 professional contacts with verified work emails tracked across these 89 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 21, 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.