Company lists · Data refreshed September 2026

Top 25 Facility compliance consulting firms based in the United States

RevenueBase identified 1,982 company matches for facility compliance consulting firms associated with the United States as of September 2026 and tracks 22,908 professional contacts across them, including 9,359 with verified work emails. New York is the largest hub.

This list covers company matches for facility compliance consulting firms 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 September 28, 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 28, 2026 How this list was built
1,982Companies
22,908Contacts tracked
9,359Verified emails
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The 25 largest facility compliance consulting firms based in the United States

Ranked by team size
Top 25 of 1,982 company matches for facility compliance consulting firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBlue Bell, PA, United StatesHQ recorded Sep 28, 20261,001-5,0003,577 contacts →

Exact match

“IPS, a Berkshire Hathaway company, is a global leader in technical consulting, architecture, engineering, procurement, construction management, commissioning, qualification…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchPhoenix, AZ, United StatesHQ recorded Sep 28, 2026201-500354 contacts →

Exact match

“Since 1985, Telgian has served as a trusted partner to clients around the globe, providing innovative fire, security, life safety consulting and engineering/design services…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchAzusa, CA, United StatesHQ recorded Sep 28, 2026501-1,000254 contacts →

Exact match

“Alliance is one of the most experienced and trusted environmental contractors in California.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchLouisville, CO, United StatesHQ recorded Sep 28, 2026201-500253 contacts →

Exact match

“Hyde E+C is an international engineering consulting firm that helps companies operate more efficiently, get products to market more quickly, meet regulatory requirements more…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchIndianapolis, IN, United StatesHQ recorded Sep 28, 202651-200210 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchUnion, NJ, United StatesHQ recorded Sep 28, 2026201-500209 contacts →

Exact match

“Hillmann has been a well-recognized leader in the Environmental Health & Safety, Due Diligence & Remediation Management, and Construction Services industries since 1985.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchHeath, TX, United StatesHQ recorded Sep 28, 202651-200179 contacts →

Exact match

“GMR has become known as the "Industry Best Practice" for helping facilities document existing conditions, prepare for improvements, and minimize risk.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchNew York, NY, United StatesHQ recorded Sep 28, 2026201-500174 contacts →

Exact match

“Milrose is the nation’s premier building lifecycle firm, offering fully integrated services in Permitting, Code Consulting, Municipal Compliance, Special Inspections…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchHayward, CA, United StatesHQ recorded Sep 28, 202651-200172 contacts →

Exact match

“With a staff of over 150 employees in the San Francisco, Sacramento, Los Angeles, San Diego, Modesto, Bakersfield, Fresno, Portland, Chicago, and Grand Rapids offices, Forensic…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchNewton, MA, United StatesHQ recorded Sep 28, 202651-200170 contacts →

Exact match

“EH & E delivers integrated environmental, engineering, and health and safety solutions that help businesses and institutions safeguard their assets, improve operations and boost…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchDeer Park, TX, United StatesHQ recorded Sep 28, 20261,001-5,000149 contacts →

Exact match

“QualSpec is a leading industrial inspection firm headquartered in Houston, Texas.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchElmhurst, IL, United StatesHQ recorded Sep 28, 202651-200140 contacts →

Exact match

“Since the passage of original environmental legislation nearly four decades ago, both private and public industry have turned to Mostardi Platt for guidance in complying with air…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchDallas, TX, United StatesHQ recorded Sep 28, 202651-200136 contacts →

Exact match

“OUR MISSION is to combine sustainable environmental solutions with forward-thinking, cost-effective, innovative, and value-added technologies that balance our clients’ economic…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchBirmingham, AL, United StatesHQ recorded Sep 28, 2026201-500129 contacts →

Exact match

“Action Environmental is an Environmental and Industrial Services Contractor headquartered in Birmingham, Alabama.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchNew York, NY, United StatesHQ recorded Sep 28, 202651-200126 contacts →

Exact match

“RAND Engineering & Architecture, DPC is an independently owned consulting firm serving owners, boards, property managers, architects, and institutions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchDelray Beach, FL, United StatesHQ recorded Sep 28, 202651-200115 contacts →

Exact match

“GFA International, Inc.(GFA) is a full-service Engineering consulting organization providing Environmental Consulting, Geotechnical Engineering, Construction Materials Testing…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchMorrisville, NC, United StatesHQ recorded Sep 28, 202651-200111 contacts →

Exact match

“The EI Group, Inc.(EI) is an environmental, health and safety consulting firm headquartered in Research Triangle Park, North Carolina, with branch offices strategically located…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchCharlotte, NC, United StatesHQ recorded Sep 28, 202651-200103 contacts →

Exact match

“Hart & Hickman PC provides environmental consulting services to commercial, industrial, and governmental clients throughout the Southeast US.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchPinellas Park, FL, United StatesHQ recorded Sep 28, 2026201-50098 contacts →

Exact match

“MTA is the largest single-source healthcare compliance company with over three decades of experience.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchCosta Mesa, CA, United StatesHQ recorded Sep 28, 202651-20098 contacts →

Exact match

“Public agencies and businesses have been relying on Chambers Group to keep them in compliance with applicable federal, state, and/or local environmental laws, regulations, and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchOrange, CA, United StatesHQ recorded Sep 28, 202651-20097 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchChicago, IL, United StatesHQ recorded Sep 28, 202651-20097 contacts →

Exact match

“BBJ provides clients with solutions to environmental, health and safety problems.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchOrange, CA, United StatesHQ recorded Sep 28, 202611-5096 contacts →

Exact match

“EEC Environmental is a national environmental consulting firm that specializes in water, wastewater, stormwater, regulatory compliance, safety, and assessment and remediation of…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchTempe, AZ, United StatesHQ recorded Sep 28, 202651-20093 contacts →

Exact match

“At Alta Environmental & Infrastructure (Alta EI), we partner with clients to build and protect what matters most, delivering comprehensive engineering, environmental, and health &…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchSan Juan Capistrano, CA, United StatesHQ recorded Sep 28, 202651-20092 contacts →

Exact match

“Yorke Engineering, LLC (Yorke) was founded in 1996 and specializes in air quality, waste, storm water and industrial hygiene/safety services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 1,982 facility compliance consulting firms based in the United States

See the full list, filter by size, metro and specialty, and access 9,359 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Facility compliance consulting firms based in the United States at a glance

As of Sep 28, 2026
40.9%Verified-email coverage
11.6Average contacts per company
1-10Median size (employees)
3.6%Largest-city concentration · New York
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
1,205
11-50
614
51-200
128
201-500
22
501-1,000
3
1,001-5,000
5
5,001-10,000
1
10001+
1

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 1,982 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 “facility compliance 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 9,359 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 28, 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 “facility compliance consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many facility compliance consulting firms are there based in the United States?

RevenueBase identified 1,982 company matches for facility compliance consulting firms associated with the 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?

Ips-Integrated Project Services tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most facility compliance consulting firms?

New York leads with 71 company records, followed by Houston (47) and Dallas (20).

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 9,359 professional contacts with verified work emails tracked across these 1,982 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 28, 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.