Company lists · Data refreshed September 2026

Top 25 Industrial compliance consultants based in the United States

Name: Industrial compliance consultants based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 1,728 companies tracked

RevenueBase identified 1,728 industrial compliance consultants headquartered in the United States as of September 2026 and tracks 15,626 professional contacts across them, including 5,561 with verified work emails. Houston is the largest hub.

This list covers industrial compliance consultants headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review

1,728Companies

15,626Contacts tracked

5,561Verified emails

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The 25 largest industrial compliance consultants based in the United States

Ranked by team size

Top 25 of 1,728 industrial compliance consultants based in the United States, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to industrial compliance consultants: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	J. J. Keller & Associates, INC	Indirect evidence	Neenah, WI, United StatesHQ checked Sep 17, 2026	1,001-5,000	1,577 contacts →
	Indirect evidence “J.” Source: RevenueBase Database · checked Sep 17, 2026
2	Antea Group USA	Indirect evidence	St Paul, MN, United StatesHQ checked Sep 17, 2026	1,001-5,000	658 contacts →
	Indirect evidence “Antea Group is an international engineering and environmental consulting firm specializing in full-service solutions in the fields of environment, health and safety, and…” Source: RevenueBase Database · checked Sep 17, 2026
3	Safety Management Group	Partial evidence	Indianapolis, IN, United StatesHQ checked Sep 17, 2026	201-500	485 contacts →
	Partial evidence “We are people-centric Quality, Health, Safety, and Environmental (QHSE) consultants driven to reduce risk, foster sustainable operations, and enhance safety culture to protect…” Source: RevenueBase Database · checked Sep 17, 2026
4	APA Engineering INC	Partial evidence	Mount Laurel, NJ, United StatesHQ checked Sep 17, 2026	201-500	364 contacts →
	Partial evidence “APA Engineering Inc has been a leader in providing Compliance, Engineering, IT, and Sourcing services since With over twenty years in business, we are dedicated to providing the…” Source: RevenueBase Database · checked Sep 17, 2026
5	All4	Indirect evidence	Kimberton, PA, United StatesHQ checked Sep 17, 2026	201-500	331 contacts →
	Indirect evidence “ALL4 is a global consulting firm committed to shaping a sustainable future through innovative environmental, health, and safety (EHS) and digital solutions.” Source: RevenueBase Database · checked Sep 17, 2026
6	Registrar Corp	Partial evidence	Hampton, VA, United StatesHQ checked Sep 17, 2026	51-200	317 contacts →
	Partial evidence “Registrar Corp is your trusted partner helping you navigate global regulatory requirements with expert services, innovative software solutions and comprehensive online compliance…” Source: RevenueBase Database · checked Sep 17, 2026
7	Omnex INC	Indirect evidence	Ann Arbor, MI, United StatesHQ checked Sep 17, 2026	501-1,000	216 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 17, 2026
8	PRO QC International	Indirect evidence	Mchenry, IL, United StatesHQ checked Sep 17, 2026	501-1,000	211 contacts →
	Indirect evidence “Pro QC International provides tailored quality solutions with a human touch in 100 countries.” Source: RevenueBase Database · checked Sep 17, 2026
9	Lachman Consultant Services	Partial evidence	Westbury, NY, United StatesHQ checked Sep 17, 2026	51-200	179 contacts →
	Partial evidence “Quality & Compliance \| Regulatory Strategy \| Inspection Readiness & Remediation \| Data Integrity.” Source: RevenueBase Database · checked Sep 17, 2026
10	Forensic Analytical Consulting Services, INC	Indirect evidence	Hayward, CA, United StatesHQ checked Sep 17, 2026	51-200	172 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 17, 2026
11	Mostardi Platt	Indirect evidence	Elmhurst, IL, United StatesHQ checked Sep 17, 2026	51-200	140 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 17, 2026
12	Chambers Group, INC	Partial evidence	Costa Mesa, CA, United StatesHQ checked Sep 17, 2026	51-200	98 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 17, 2026
13	BBJ Group	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 17, 2026	51-200	97 contacts →
	Indirect evidence “BBJ provides clients with solutions to environmental, health and safety problems.” Source: RevenueBase Database · checked Sep 17, 2026
14	Yorke Engineering, LLC	Partial evidence	San Juan Capistrano, CA, United StatesHQ checked Sep 17, 2026	51-200	92 contacts →
	Partial evidence “Yorke Engineering, LLC (Yorke) was founded in 1996 and specializes in air quality, waste, storm water and industrial hygiene/safety services.” Source: RevenueBase Database · checked Sep 17, 2026
15	Diversified Safety Services, LLC	Indirect evidence	Rosedale, MD, United StatesHQ checked Sep 17, 2026	51-200	88 contacts →
	Indirect evidence “Diversified Safety Services is a third-party safety consulting firm.” Source: RevenueBase Database · checked Sep 17, 2026
16	BSI Consulting	Indirect evidence	Herndon, VA, United StatesHQ checked Sep 17, 2026	1,001-5,000	84 contacts →
	Indirect evidence “BSI Consulting offers comprehensive world-class solutions in environmental, health, safety (EHS), supply chain security, and sustainability.” Source: RevenueBase Database · checked Sep 17, 2026
17	Total Safety Consulting, LLC	Indirect evidence	Bayonne, NJ, United StatesHQ checked Sep 17, 2026	501-1,000	83 contacts →
	Indirect evidence “Total Safety Consulting (TSC) understands the intense planning needed to ensure the safety of your workers and the public-and the cost of not doing it right.” Source: RevenueBase Database · checked Sep 17, 2026
18	Eagle Certification Group	Indirect evidence	Dayton, OH, United StatesHQ checked Sep 17, 2026	11-50	80 contacts →
	Indirect evidence “Since 1994, EAGLE has built an excellent reputation by providing third party auditing services that are objective and value-added.” Source: RevenueBase Database · checked Sep 17, 2026
19	GMG Envirosafe	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 17, 2026	51-200	76 contacts →
	Indirect evidence “At GMG EnviroSafe, we work closely with businesses across the country to help them meet environmental, health and safety regulations, and reduce the spread of communicable…” Source: RevenueBase Database · checked Sep 17, 2026
20	Occupational Services, INC	Partial evidence	San Diego, CA, United StatesHQ checked Sep 17, 2026	11-50	74 contacts →
	Partial evidence “Occupational Services, Incorporated is a San Diego-based professional consulting firm providing services in the areas of environmental compliance, occupational health and safety…” Source: RevenueBase Database · checked Sep 17, 2026
21	SES Environmental	Indirect evidence	Fort Wayne, IN, United StatesHQ checked Sep 17, 2026	11-50	73 contacts →
	Indirect evidence “We are a full service EH & S consulting and contracting firm based in the Midwestern United States, serving companies throughout the world.” Source: RevenueBase Database · checked Sep 17, 2026
22	Legacy Safety & Consulting	Indirect evidence	Hobbs, NM, United StatesHQ checked Sep 17, 2026	51-200	73 contacts →
	Indirect evidence “With over 32 years in business and 250+ collective years of industry experience, we are a company whose objective is to provide innovative safety solutions by equipping you with…” Source: RevenueBase Database · checked Sep 17, 2026
23	Turnaround Consulting Services	Indirect evidence	Sulphur, LA, United StatesHQ checked Sep 17, 2026	51-200	71 contacts →
	Indirect evidence “We provide resources to perform mechanical integrity services to assess newly installed and in-service equipment.” Source: RevenueBase Database · checked Sep 17, 2026
24	Plexus International	Indirect evidence	Minneapolis, MN, United StatesHQ checked Sep 17, 2026	51-200	71 contacts →
	Indirect evidence “Plexus International is a global leader in providing training, assessment, and consulting services for organizations to attain quality management systems excellence.” Source: RevenueBase Database · checked Sep 17, 2026
25	Regulatory Compliance Associates RCA	Strong evidence	Pleasant Prairie, WI, United StatesHQ checked Sep 17, 2026	51-200	67 contacts →
	Strong evidence “Regulatory Compliance Associates Inc.(RCA) is a team of experienced professionals from FDA-regulated industries including pharmaceutical, biologics and medical device.” Source: RevenueBase Database · checked Sep 17, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: industrial compliance consultants. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names industrial compliance consultants.
Partial evidence: Its own public description names part of industrial compliance consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name industrial compliance consultants. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 1,728 industrial compliance consultants based in the United States

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Industrial compliance consultants based in the United States at a glance

As of Sep 17, 2026

35.6%Verified-email coverage

9.0Average contacts per company

1-10Median size (employees)

4.0%Largest-city concentration · Houston

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

1,215

11-50

396

51-200

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 1,728 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among industrial compliance consultants, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “industrial compliance consultants”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names industrial compliance consultants), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among industrial compliance consultants, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 5,561 across the full list. 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 17, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Industrial compliance consultants by metro

Industrial compliance consultants in Houston69

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names industrial compliance consultants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many industrial compliance consultants are there based in the United States?

RevenueBase identified 1,728 industrial compliance consultants headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

J. J. Keller & Associates, INC, headquartered in Neenah, tops this list with the largest team on record.

Which city has the most industrial compliance consultants?

Houston leads with 69 headquartered companies, followed by Los Angeles (19) and New York (19).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 5,561 verified decision-maker contacts tracked across these 1,728 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 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 Smart Search, 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.