Company lists · Data refreshed September 2026

Top 25 Automotive regulatory compliance consultants based in the United States

RevenueBase identified 474 automotive regulatory compliance consultants headquartered in the United States as of September 2026 and tracks 4,551 professional contacts across them, including 1,677 with verified work emails. Houston is the largest hub.

This list covers automotive regulatory 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 30, 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 30, 2026 86% judged on-target in blind review
474Companies
4,551Contacts tracked
1,677Verified emails
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The 25 largest automotive regulatory compliance consultants based in the United States

Ranked by team size
Top 25 of 474 automotive regulatory compliance consultants based in the United States, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to automotive regulatory 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceDetroit, MI, United StatesHQ checked Sep 30, 2026501-1,000749 contacts →

Partial evidence

“We are Automotive Business Scientists.”

Source: RevenueBase Database · checked Sep 30, 2026
2Partial evidenceLos Angeles, CA, United StatesHQ checked Sep 30, 2026201-500242 contacts →

Partial evidence

“AMCI is an automotive marketing consulting firm made up of automotive experts and enthusiasts.”

Source: RevenueBase Database · checked Sep 30, 2026
3Indirect evidenceElmhurst, IL, United StatesHQ checked Sep 30, 202651-200140 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 30, 2026
4Partial evidenceCosta Mesa, CA, United StatesHQ checked Sep 30, 202651-20098 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 30, 2026
5Indirect evidenceChicago, IL, United StatesHQ checked Sep 30, 202651-20097 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 30, 2026
6Partial evidenceSan Diego, CA, United StatesHQ checked Sep 30, 202611-5074 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 30, 2026
7Indirect evidenceFairfield, NJ, United StatesHQ checked Sep 30, 202651-20070 contacts →

Indirect evidence

“We believe in the power of strong alliances.”

Source: RevenueBase Database · checked Sep 30, 2026
8Partial evidenceSalt Lake City, UT, United StatesHQ checked Sep 30, 202651-20065 contacts →

Partial evidence

“ComplyAuto was built by dealers, for dealers to deliver modern compliance solutions backed by legal and dealership expertise.”

Source: RevenueBase Database · checked Sep 30, 2026
9Partial evidenceHouston, TX, United StatesHQ checked Sep 30, 202651-20063 contacts →

Partial evidence

“As a leader in the environmental compliance services industry, AARC does more than just meeting the needs of clients today.”

Source: RevenueBase Database · checked Sep 30, 2026
10Indirect evidenceBlue Bell, PA, United StatesHQ checked Sep 30, 202651-20060 contacts →

Indirect evidence

“For over two decades, Linx-AS has been helping businesses be more of what they aspire to be with SAP-strategic, innovative, sustainable, and profitable.”

Source: RevenueBase Database · checked Sep 30, 2026
11Partial evidenceSomerset, NJ, United StatesHQ checked Sep 30, 202611-5057 contacts →

Partial evidence

“Whitman is a full-service environmental, engineering, energy, waste management and EH & S compliance consulting firm with more than 37 years of professional experience.”

Source: RevenueBase Database · checked Sep 30, 2026
12Indirect evidenceWesterville, OH, United StatesHQ checked Sep 30, 202611-5057 contacts →

Indirect evidence

“We are committed to the total wellbeing of your employees.”

Source: RevenueBase Database · checked Sep 30, 2026
13Indirect evidenceChicago, IL, United StatesHQ checked Sep 30, 202611-5052 contacts →

Indirect evidence

“Carnow, Conibear & Assoc, Ltd.(Carnow Conibear), a minority-owned, woman-owned and veteran-owned business, was established in 1975.”

Source: RevenueBase Database · checked Sep 30, 2026
14Partial evidenceTallahassee, FL, United StatesHQ checked Sep 30, 202651-20048 contacts →

Partial evidence

“7G Environmental Compliance Management (7G) is an environmental consulting firm headquartered in Tallahassee, Florida.”

Source: RevenueBase Database · checked Sep 30, 2026
15Indirect evidenceMobile, AL, United StatesHQ checked Sep 30, 2026201-50041 contacts →

Indirect evidence

“Tormod exists to help manufacturing leaders run great plants.”

Source: RevenueBase Database · checked Sep 30, 2026
16Partial evidenceLittle Rock, AR, United StatesHQ checked Sep 30, 202611-5040 contacts →

Partial evidence

“We are a privately-owned engineering and environmental consulting firm that provide efficient engineering and environmental compliance solutions to a variety of industries and…”

Source: RevenueBase Database · checked Sep 30, 2026
17Indirect evidencePasadena, CA, United StatesHQ checked Sep 30, 202611-5039 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 30, 2026
18Indirect evidenceIrvine, CA, United StatesHQ checked Sep 30, 202651-20039 contacts →

Indirect evidence

“Overview: Hummingbird TekSystem, Inc.”

Source: RevenueBase Database · checked Sep 30, 2026
19Strong evidenceLakewood, WA, United StatesHQ checked Sep 30, 202611-5036 contacts →

Strong evidence

“Compliance Services International (CSI) is a leading regulatory consultancy providing innovative solutions for organizations faced with regulatory and environmental challenges.”

Source: RevenueBase Database · checked Sep 30, 2026
20Indirect evidenceLakewood, CO, United StatesHQ checked Sep 30, 202611-5033 contacts →

Indirect evidence

“Aquionix is an environmental and safety services company that is dedicated to assisting companies in their effort to meet the ever increasing demands of today's business and…”

Source: RevenueBase Database · checked Sep 30, 2026
21Partial evidenceMadison, WI, United StatesHQ checked Sep 30, 202611-5033 contacts →

Partial evidence

“KTL is a multidisciplinary consulting firm that specializes in providing environmental, health, and safety (EHS); food safety; and quality management and compliance consulting…”

Source: RevenueBase Database · checked Sep 30, 2026
22Strong evidencePleasanton, CA, United StatesHQ checked Sep 30, 202611-5032 contacts →

Strong evidence

“Founded in 1988, CDMS provides a full range of EPA and Cal-OSHA regulatory compliance services.”

Source: RevenueBase Database · checked Sep 30, 2026
23Partial evidenceBeverly Hills, MI, United StatesHQ checked Sep 30, 2026201-50031 contacts →

Partial evidence

“Our Strategic Advisors provide the management and guidance to advance in a variety of automotive and industrial manufacturing projects.”

Source: RevenueBase Database · checked Sep 30, 2026
24Indirect evidenceSpearfish, SD, United StatesHQ checked Sep 30, 202651-20030 contacts →

Indirect evidence

“H2E seeks to provide high quality environmental engineering and consulting services in the most efficient manner possible.”

Source: RevenueBase Database · checked Sep 30, 2026
25Indirect evidenceArlington, VA, United StatesHQ checked Sep 30, 202611-5028 contacts →

Indirect evidence

“Potomac River Partners is a specialized management consulting firm offering a variety of services to meet our clients’ challenges.”

Source: RevenueBase Database · checked Sep 30, 2026

Showing 25 of 474 automotive regulatory compliance consultants based in the United States

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Automotive regulatory compliance consultants based in the United States at a glance

As of Sep 30, 2026
36.8%Verified-email coverage
9.6Average contacts per company
1-10Median size (employees)
2.1%Largest-city concentration · Houston
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
323
11-50
115
51-200
26
201-500
7
501-1,000
2
5,001-10,000
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 474 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 automotive regulatory 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 “automotive regulatory 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 automotive regulatory 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 automotive regulatory 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, 1,677 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 30, 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.

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 automotive regulatory 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 automotive regulatory compliance consultants are there based in the United States?

RevenueBase identified 474 automotive regulatory 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?

Urban Science, headquartered in Detroit, tops this list with the largest team on record.

Which city has the most automotive regulatory compliance consultants?

Houston leads with 10 headquartered companies, followed by Detroit (8) and Atlanta (6).

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 1,677 verified decision-maker contacts tracked across these 474 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 30, 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.