Company lists · Data refreshed October 2026

Top 25 Compliance consultants for energy sector based in the United States

RevenueBase identified 1,526 company matches for compliance consultants for energy sector associated with the United States as of October 2026 and tracks 21,023 professional contacts across them, including 8,217 with verified work emails. Houston is the largest hub.

This list covers company matches for compliance consultants for energy sector 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 October 10, 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 Oct 10, 2026 How this list was built
1,526Companies
21,023Contacts tracked
8,217Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest compliance consultants for energy sector based in the United States

Ranked by team size
Top 25 of 1,526 company matches for compliance consultants for energy sector based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 10, 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 matchSt. Paul, MN, United StatesHQ recorded Oct 10, 20261,001-5,000658 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 · Oct 10, 2026 · View company records in RevenueBase
2Exact matchLongview, TX, United StatesHQ recorded Oct 10, 2026501-1,000598 contacts →

Exact match

“Since 1991, Applied Consultants Inc.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
3Exact matchIrvine, CA, United StatesHQ recorded Oct 10, 2026201-500387 contacts →

Exact match

“We are Trio – global energy and sustainability advisors.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
4Exact matchLong Beach, CA, United StatesHQ recorded Oct 10, 2026201-500381 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 · Oct 10, 2026 · View company records in RevenueBase
5Exact matchPark Ridge, NJ, United StatesHQ recorded Oct 10, 2026201-500360 contacts →

Exact match

“National Utility Service, Inc.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
6Exact matchWichita, KS, United StatesHQ recorded Oct 10, 2026501-1,000359 contacts →

Exact match

“PROtect is a leading national provider of reliability, risk, and compliance services to the refining, petrochemical, renewable fuels, manufacturing, food & beverage, fertilizer…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
7Exact matchPhiladelphia, PA, United StatesHQ recorded Oct 10, 2026201-500345 contacts →

Exact match

“Customized Energy Solutions is at the forefront of competitive energy markets.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
8Exact matchJackson, MI, United StatesHQ recorded Oct 10, 2026201-500342 contacts →

Exact match

“We provide expert engineering and consulting services that enable a more reliable and resilient power system.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
9Exact matchPortland, OR, United StatesHQ recorded Oct 10, 2026201-500301 contacts →

Exact match

“At Cascade Energy, we believe in better.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
10Exact matchKirkland, WA, United StatesHQ recorded Oct 10, 2026201-500281 contacts →

Exact match

“We provide global renewable energy consulting services, focused on empowering clients to navigate the complexities of the energy transition.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
11Exact matchSpring, TX, United StatesHQ recorded Oct 10, 2026201-500275 contacts →

Exact match

“For more than 40 years, M&H has been a trusted source for oil & gas consulting services that maximize value for clients.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
12Exact matchRenton, WA, United StatesHQ recorded Oct 10, 2026201-500269 contacts →

Exact match

“Mosaic is a consulting firm that delivers custom solutions across the energy, utility, grid operations, and grid modernization space.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
13Exact matchPittsfield, ME, United StatesHQ recorded Oct 10, 2026201-500236 contacts →

Exact match

“At Kleinschmidt, we work primarily with energy companies and government agencies in North America to protect and enhance the environment without compromising performance.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
14Exact matchFairfax, VA, United StatesHQ recorded Oct 10, 2026201-500216 contacts →

Exact match

“PEG presents a comprehensive capacity for the evaluation and understanding of a broad base of energy and environmental sustainability related programs, policies and initiatives.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
15Exact matchUnion, NJ, United StatesHQ recorded Oct 10, 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 · Oct 10, 2026 · View company records in RevenueBase
16Exact matchScottsdale, AZ, United StatesHQ recorded Oct 10, 2026501-1,000207 contacts →

Exact match

“Nuverra Environmental Solutions is a company dedicated to the protection, enhancement and advancement of environmental solutions.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
17Exact matchIndianapolis, IN, United StatesHQ recorded Oct 10, 202651-200194 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
18Exact matchSeattle, WA, United StatesHQ recorded Oct 10, 2026201-500192 contacts →

Exact match

“Hargis Engineers is a mechanical, electrical, telecommunications, security, energy consulting engineering, and commissioning firm.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
19Exact matchFolsom, CA, United StatesHQ recorded Oct 10, 202651-200163 contacts →

Exact match

“Follow us to discover company developments, our energy clients' successes and employment opportunities.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
20Exact matchElmhurst, IL, United StatesHQ recorded Oct 10, 202651-200160 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 · Oct 10, 2026 · View company records in RevenueBase
21Exact matchMadison, WI, United StatesHQ recorded Oct 10, 202651-200157 contacts →

Exact match

“PSE is an electrical energy expert that provides relationship-driven engineering and consulting services for forward-thinking partners who pursue long-term energy solutions.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
22Exact matchSan Francisco, CA, United StatesHQ recorded Oct 10, 202651-200153 contacts →

Exact match

“Stok leads organizations to decarbonize now.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
23Exact matchColumbia, MD, United StatesHQ recorded Oct 10, 202651-200150 contacts →

Exact match

“Allen + Shariff was founded in 1993 as an engineering consulting firm based in Columbia, MD.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
24Exact matchVoorhees, NJ, United StatesHQ recorded Oct 10, 202651-200148 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
25Exact matchDallas, TX, United StatesHQ recorded Oct 10, 202651-200140 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 · Oct 10, 2026 · View company records in RevenueBase

Showing 25 of 1,526 compliance consultants for energy sector based in the United States

See the full list, filter by size, metro and specialty, and access 8,217 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Compliance consultants for energy sector based in the United States at a glance

As of Oct 10, 2026
39.1%Verified-email coverage
13.8Average contacts per company
1-10Median size (employees)
7.6%Largest-city concentration · Houston
Oct 10, 2026Page data refreshed

Companies by employee count

1-10
921
11-50
469
51-200
103
201-500
26
501-1,000
5
1,001-5,000
2

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 1,526 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 “compliance consultants for energy sector” 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 8,217 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 October 10, 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 “compliance consultants for energy sector”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many compliance consultants for energy sector are there based in the United States?

RevenueBase identified 1,526 company matches for compliance consultants for energy sector associated with the United States as of October 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?

Antea Group USA tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most compliance consultants for energy sector?

Houston leads with 116 company records, followed by New York (39) and Denver (27).

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 8,217 professional contacts with verified work emails tracked across these 1,526 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 October 10, 2026.

Ready to reach these companies? Verified emails and direct dials for all 1,526 compliance consultants for energy sector based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

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.