Company lists · Data refreshed September 2026

Top 25 Construction compliance consulting firms based in the United States

Name: Construction compliance consulting firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 3,020 companies tracked

RevenueBase identified 3,020 company matches for construction compliance consulting firms associated with the United States as of September 2026 and tracks 39,553 professional contacts across them, including 18,117 with verified work emails. New York is the largest hub.

This list covers company matches for construction 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 27, 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 27, 2026 How this list was built

3,020Companies

39,553Contacts tracked

18,117Verified emails

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The 25 largest construction compliance consulting firms based in the United States

Ranked by team size

Top 25 of 3,020 company matches for construction compliance consulting firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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	Partner Engineering & Science, INC	Exact match	Torrance, CA, United StatesHQ recorded Sep 27, 2026	1,001-5,000	1,358 contacts →
	Exact match “Partner Assessment Corp.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2	Apex Companies	Exact match	Rockville, MD, United StatesHQ recorded Sep 27, 2026	1,001-5,000	1,137 contacts →
	Exact match “Who is Apex?” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3	IEA	Exact match	Brooklyn Park, MN, United StatesHQ recorded Sep 27, 2026	n/a	982 contacts →
	Exact match “The Institute for Environmental Assessment, Inc.(IEA) is small business committed to providing trusted environmental safety consulting services for private and public…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4	Trinity Consultants	Exact match	Dallas, TX, United StatesHQ recorded Sep 27, 2026	1,001-5,000	961 contacts →
	Exact match “Trinity Consultants is a global team of experts helping organizations solve complex challenges in environmental compliance, ecological protection, infrastructure performance, and…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5	Simpson Gumpertz & Heger SGH	Exact match	Waltham, MA, United StatesHQ recorded Sep 27, 2026	501-1,000	942 contacts →
	Exact match “Simpson Gumpertz & Heger (SGH) is a national engineering firm committed to delivering holistic advice for our clients’ most complex challenges.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6	Environmental Science Associates	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	501-1,000	732 contacts →
	Exact match “ESA is a 100% employee-owned environmental consulting firm.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7	Antea Group USA	Exact match	St. Paul, MN, United StatesHQ recorded Sep 27, 2026	1,001-5,000	658 contacts →
	Exact match “Antea Group is an international engineering and environmental consulting firm specializing in full-service solutions in the fields of environment, health and safety, and…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8	EBI Consulting	Exact match	Burlington, MA, United StatesHQ recorded Sep 27, 2026	501-1,000	535 contacts →
	Exact match “For 35 years we have been helping investors, lenders, owners, developers, contractors, and property managers reduce risk and optimize their built facilities, infrastructure and…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9	AM Technical Solutions, INC	Exact match	Austin, TX, United StatesHQ recorded Sep 27, 2026	1,001-5,000	527 contacts →
	Exact match “AM Technical Solutions (AM), founded in 1994, is a proven and licensed architect, engineering, construction and commissioning firm.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10	Nova Engineering And Environmental, LLC	Exact match	Kennesaw, GA, United StatesHQ recorded Sep 27, 2026	501-1,000	518 contacts →
	Exact match “Established in 1996, NOVA was originally founded to provide Environmental Consulting, Geotechnical Engineering, and Construction Materials Testing and Inspection services to the…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11	Rincon Consultants	Exact match	Ventura, CA, United StatesHQ recorded Sep 27, 2026	501-1,000	479 contacts →
	Exact match “Rincon Consultants is a multi-disciplinary environmental sciences, planning, and engineering consulting firm that provides quality professional services to government and industry.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12	Groundwater & Environmental Services, INC	Exact match	Wall Township, NJ, United StatesHQ recorded Sep 27, 2026	201-500	447 contacts →
	Exact match “We are Groundwater & Environmental Services, Inc, better known as GES.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13	P2s	Exact match	Long Beach, CA, United StatesHQ recorded Sep 27, 2026	201-500	375 contacts →
	Exact match “P2S has brought forward-thinking, sustainable engineering solutions to California, the Pacific Northwest, and beyond, for over 30 years.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14	MKA International, INC	Exact match	Walnut Creek, CA, United StatesHQ recorded Sep 27, 2026	201-500	332 contacts →
	Exact match “MKA International, Inc.(MKA) a leading multidisciplinary Construction & Engineering Consulting firm, providing seamless support and specialized services to a wide variety of…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15	Trileaf Corporation	Exact match	St. Louis, MO, United StatesHQ recorded Sep 27, 2026	201-500	211 contacts →
	Exact match “Quality work and quick responses - Trileaf gives you both.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16	August Mack Environmental, INC	Exact match	Indianapolis, IN, United StatesHQ recorded Sep 27, 2026	51-200	210 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17	Hillmann Consulting, LLC	Exact match	Union, NJ, United StatesHQ recorded Sep 27, 2026	201-500	209 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 27, 2026 · View company records in RevenueBase
18	MC Consultants	Exact match	Carlsbad, CA, United StatesHQ recorded Sep 27, 2026	51-200	196 contacts →
	Exact match “Since 1989, MC’s team of professional consultants have leveraged their extensive construction backgrounds to deliver industry-leading construction consulting and forensic…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19	ATANE	Exact match	NY, United StatesHQ recorded Sep 27, 2026	201-500	194 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 27, 2026 · View company records in RevenueBase
20	Normandeau Associates, INC	Exact match	Bedford, NH, United StatesHQ recorded Sep 27, 2026	201-500	189 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21	Smith Currie Oles LLP	Exact match	Atlanta, GA, United StatesHQ recorded Sep 27, 2026	51-200	184 contacts →
	Exact match “Smith Currie Oles (SCO) provides comprehensive legal services to all parts of the construction industry.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22	Milrose Consultants	Exact match	New York, NY, United StatesHQ recorded Sep 27, 2026	201-500	174 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 27, 2026 · View company records in RevenueBase
23	Terraphase Engineering INC	Exact match	Oakland, CA, United StatesHQ recorded Sep 27, 2026	201-500	166 contacts →
	Exact match “Terraphase offers cost-effective solutions to complex environmental and engineering challenges.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24	Ecorp Consulting, INC	Exact match	Rocklin, CA, United StatesHQ recorded Sep 27, 2026	51-200	166 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25	HB Next	Exact match	Lawrenceville, GA, United StatesHQ recorded Sep 27, 2026	201-500	161 contacts →
	Exact match “From safety software to stormwater inspections, trust HB NEXT to take the risk out of construction compliance, so you can focus on building.” Recorded in the RevenueBase company graph · Sep 27, 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 “construction compliance 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 3,020 construction compliance consulting firms based in the United States

See the full list, filter by size, metro and specialty, and access 18,117 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Sep 27, 2026

45.8%Verified-email coverage

13.1Average contacts per company

1-10Median size (employees)

4.9%Largest-city concentration · New York

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

1,833

11-50

942

51-200

190

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 3,020 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 “construction 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 18,117 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 27, 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.

Construction compliance consulting firms by metro

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

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

RevenueBase identified 3,020 company matches for construction 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?

Partner Engineering & Science, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most construction compliance consulting firms?

New York leads with 148 company records, followed by Houston (76) and Denver (34).

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 18,117 professional contacts with verified work emails tracked across these 3,020 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 27, 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.