Company lists · Data refreshed October 2026

Top 25 Mining compliance consultants based in the United States

RevenueBase identified 319 company matches for mining compliance consultants associated with the United States as of October 2026 and tracks 5,962 professional contacts across them, including 2,311 with verified work emails. Houston is the largest hub.

This list covers company matches for mining compliance consultants 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 18, 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 18, 2026 How this list was built
319Companies
5,962Contacts tracked
2,311Verified emails
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The 25 largest mining compliance consultants based in the United States

Ranked by team size
Top 25 of 319 company matches for mining compliance consultants based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 18, 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 matchMinneapolis, MN, United StatesHQ recorded Oct 18, 20261,001-5,0001,108 contacts →

Exact match

“Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
2Exact matchMountain Lake Park, MD, United StatesHQ recorded Oct 18, 20261,001-5,000468 contacts →

Exact match

“GMS Mine Repair & Maintenance is the North American leader in underground and surface mine contracting, maintenance and services.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
3Exact matchElmhurst, IL, United StatesHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
4Exact matchFort Collins, CO, United StatesHQ recorded Oct 18, 202651-200147 contacts →

Exact match

“Ensero Solutions is an environmental consulting and remediation business with specific expertise in environmental assessments and permitting solutions, mine water management…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
5Exact matchSan Juan Capistrano, CA, United StatesHQ recorded Oct 18, 202651-20099 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 · Oct 18, 2026 · View company records in RevenueBase
6Exact matchSandy, UT, United StatesHQ recorded Oct 18, 202611-5078 contacts →

Exact match

“Mining & Environmental Services LLC provides specialized technical expertise, at a high level of excellence, to support our Clients throughout the full process cycle of…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Oct 18, 202651-20075 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
8Exact matchSan Diego, CA, United StatesHQ recorded Oct 18, 202611-5074 contacts →

Exact match

“Occupational Services, Incorporated is a San Diego-based professional consulting firm providing services in the areas of environmental compliance, occupational health and safety…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
9Exact matchCanonsburg, PA, United StatesHQ recorded Oct 18, 202651-20065 contacts →

Exact match

“Since 1943, BOYD mining consultants have provided advisory services to a diverse mix of domestic and international clientele: mining companies, investors, financial institutions…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
10Exact matchSomerset, NJ, United StatesHQ recorded Oct 18, 202611-5063 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
11Exact matchTucson, AZ, United StatesHQ recorded Oct 18, 202651-20056 contacts →

Exact match

“CALL & NICHOLAS (CNI) is an international mining consulting firm that specializes in geological engineering, geotechnical engineering, and hydrogeology.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
12Exact matchThornton, CO, United StatesHQ recorded Oct 18, 202611-5056 contacts →

Exact match

“CDH Consulting specializes in helping energy companies understand and manage the numerous environmental and regulatory obligations affecting their operations.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
13Exact matchBoerne, TX, United StatesHQ recorded Oct 18, 202611-5055 contacts →

Exact match

“Westward Environmental (WESTWARD) delivers multidisciplinary consulting services in engineering, environmental sciences, geology and mining, health and safety, and natural…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
14Exact matchMidlothian, VA, United StatesHQ recorded Oct 18, 202611-5052 contacts →

Exact match

“ONE offers environmental consulting and industrial services to commercial, industrial, and government clients that are regulated by environmental state and federal regulations or…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
15Exact matchDenver, CO, United StatesHQ recorded Oct 18, 202651-20046 contacts →

Exact match

“Quandary Consultants, LLC (QC) is an environmental and regulatory consulting company.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
16Exact matchLittle Rock, AR, United StatesHQ recorded Oct 18, 202611-5044 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
17Exact matchSan Francisco, CA, United StatesHQ recorded Oct 18, 202611-5042 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
18Exact matchPasadena, CA, United StatesHQ recorded Oct 18, 202611-5040 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
19Exact matchLakewood, CO, United StatesHQ recorded Oct 18, 202611-5034 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
20Exact matchKellogg, ID, United StatesHQ recorded Oct 18, 202651-20034 contacts →

Exact match

“Nasco Industrial Services & Supply (NISS) is a full-service mining supply and contract drilling and General Contracting Mining agency, built to serve the industries that make…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
21Exact matchHumble, TX, United StatesHQ recorded Oct 18, 202611-5033 contacts →

Exact match

“The WCM Group is a team of environmental consultants, engineers and experienced professionals dedicated to helping businesses navigate the environmental regulatory landscape.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
22Exact matchSpearfish, SD, United StatesHQ recorded Oct 18, 202651-20032 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
23Exact matchOklahoma City, United StatesHQ recorded Oct 18, 202611-5032 contacts →

Exact match

“Environmental Consulting”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
24Exact matchGoshen, IN, United StatesHQ recorded Oct 18, 202611-5031 contacts →

Exact match

“BCA Environmental Consultants helps industrial and commercial facilities stay compliant with federal, state, and local environmental regulations.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
25Exact matchMidvale, UT, United StatesHQ recorded Oct 18, 202611-5031 contacts →

Exact match

“Burgex Mining Consultants is a full-service mineral exploration and consulting firm dedicated to solving the challenges of mining and adding value at every stage of the project…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase

Showing 25 of 319 mining compliance consultants based in the United States

See the full list, filter by size, metro and specialty, and access 2,311 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Mining compliance consultants based in the United States at a glance

As of Oct 18, 2026
38.8%Verified-email coverage
18.7Average contacts per company
1-10Median size (employees)
3.8%Largest-city concentration · Houston
Oct 18, 2026Page data refreshed

Companies by employee count

1-10
179
11-50
107
51-200
27
201-500
1
501-1,000
1
1,001-5,000
2
10001+
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 319 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 “mining compliance consultants” 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 2,311 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 18, 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 “mining compliance consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 319 company matches for mining compliance consultants 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?

Barr Engineering CO tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most mining compliance consultants?

Houston leads with 12 company records, followed by Denver (7) and Boulder (5).

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 2,311 professional contacts with verified work emails tracked across these 319 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 18, 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.