Company lists · Data refreshed September 2026

Top 25 Mining permit consultants based in the United States

Name: Mining permit 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 28, 2026 172 companies tracked

RevenueBase identified 172 mining permit consultants headquartered in the United States as of September 2026 and tracks 1,571 professional contacts across them, including 664 with verified work emails. Houston is the largest hub.

This list covers mining permit 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 28, 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 28, 2026 86% judged on-target in blind review

172Companies

1,571Contacts tracked

664Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest mining permit consultants based in the United States

Ranked by team size

Top 25 of 172 mining permit consultants based in the United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to mining permit 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	Ecorp Consulting, INC	Indirect evidence	Rocklin, CA, United StatesHQ checked Sep 28, 2026	51-200	166 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
2	Ensero Solutions	Partial evidence	Fort Collins, CO, United StatesHQ checked Sep 28, 2026	51-200	129 contacts →
	Partial evidence “Ensero Solutions is an environmental consulting and remediation business with specific expertise in environmental assessments and permitting solutions, mine water management…” Source: RevenueBase Database · checked Sep 28, 2026
3	MES Mining	Partial evidence	Sandy, UT, United StatesHQ checked Sep 28, 2026	11-50	77 contacts →
	Partial evidence “Mining & Environmental Services LLC provides specialized technical expertise, at a high level of excellence, to support our Clients throughout the full process cycle of…” Source: RevenueBase Database · checked Sep 28, 2026
4	John T. Boyd Company	Strong evidence	Canonsburg, PA, United StatesHQ checked Sep 28, 2026	51-200	65 contacts →
	Strong evidence “Since 1943, BOYD mining consultants have provided advisory services to a diverse mix of domestic and international clientele: mining companies, investors, financial institutions…” Source: RevenueBase Database · checked Sep 28, 2026
5	Panorama Environmental, INC	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	11-50	40 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
6	Sapphos Environmental, INC	Indirect evidence	Pasadena, CA, United StatesHQ checked Sep 28, 2026	11-50	39 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
7	The WCM Group, INC	Partial evidence	Humble, TX, United StatesHQ checked Sep 28, 2026	11-50	36 contacts →
	Partial evidence “The WCM Group is a team of environmental consultants, engineers and experienced professionals dedicated to helping businesses navigate the environmental regulatory landscape.” Source: RevenueBase Database · checked Sep 28, 2026
8	Burgex Mining Consultants	Strong evidence	Midvale, UT, United StatesHQ checked Sep 28, 2026	11-50	33 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026
9	GPA Consulting	Indirect evidence	El Segundo, CA, United StatesHQ checked Sep 28, 2026	11-50	31 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
10	Allstar Ecology LLC	Partial evidence	Fairmont, WV, United StatesHQ checked Sep 28, 2026	11-50	27 contacts →
	Partial evidence “AllStar Ecology provides sound environmental consulting and contracting on natural resource issues and efficient solutions to permitting constraints.” Source: RevenueBase Database · checked Sep 28, 2026
11	Forte Dynamics	Indirect evidence	Fort Collins, CO, United StatesHQ checked Sep 28, 2026	11-50	25 contacts →
	Indirect evidence “Forte Dynamics brings an extensive portfolio of completed projects with two common threads: work that touches every part of the mine life cycle, and repeat engagements with some…” Source: RevenueBase Database · checked Sep 28, 2026
12	Alaska Earth Sciences, INC	Indirect evidence	Anchorage, AK, United StatesHQ checked Sep 28, 2026	11-50	23 contacts →
	Indirect evidence “Alaska Earth Sciences (AES) is an Anchorage-based geologic consulting expertise to promote, manage, and support mineral exploration and development.” Source: RevenueBase Database · checked Sep 28, 2026
13	Absaroka Energy And Environmental Solutions, LLC	Strong evidence	Buffalo, WY, United StatesHQ checked Sep 28, 2026	11-50	22 contacts →
	Strong evidence “Absaroka Energy and Environmental Solutions, LLC is regulatory compliance and permitting consultancy operating in the Rocky Mountain region.” Source: RevenueBase Database · checked Sep 28, 2026
14	American Mining And Tunneling	Partial evidence	Spokane, WA, United StatesHQ checked Sep 28, 2026	51-200	21 contacts →
	Partial evidence “American Mining and Tunneling LLC provides superior expertise and experienced services to the mining industry from beginning stage exploration to the end of mine life reclamation.” Source: RevenueBase Database · checked Sep 28, 2026
15	Denise Duffy & Associates	Indirect evidence	Monterey, CA, United StatesHQ checked Sep 28, 2026	11-50	20 contacts →
	Indirect evidence “DD & A is an award-winning, State of California-certified Small and Woman-owned business.” Source: RevenueBase Database · checked Sep 28, 2026
16	CEHMM	Partial evidence	Carlsbad, NM, United StatesHQ checked Sep 28, 2026	11-50	20 contacts →
	Partial evidence “Environmental Services: Since 2013 CEHMM has provided environmental consulting services to the industry for expediting permit authorizations regarding work on state and federal…” Source: RevenueBase Database · checked Sep 28, 2026
17	Environmental Operational Solutions Eosolutions	Indirect evidence	Houston, TX, United StatesHQ checked Sep 28, 2026	11-50	19 contacts →
	Indirect evidence “At EOSolutions, we know you want your operations to stay in compliance.” Source: RevenueBase Database · checked Sep 28, 2026
18	Florida Engineering And Design, INC Fedinc	Indirect evidence	Bartow, FL, United StatesHQ checked Sep 28, 2026	11-50	17 contacts →
	Indirect evidence “Established in Florida in 1987, Florida Engineering and Design, Inc.(FEDINC), provides consulting and design engineering services in the following areas: Mineral Resource…” Source: RevenueBase Database · checked Sep 28, 2026
19	OWL Ridge Natural Resource Consultants, INC	Partial evidence	Anchorage, AK, United StatesHQ checked Sep 28, 2026	11-50	16 contacts →
	Partial evidence “Owl Ridge Natural Resource Consultants, Inc.(Owl Ridge) was formed in 2012 as a small business enterprise to provide a full range of environmental consulting services including…” Source: RevenueBase Database · checked Sep 28, 2026
20	Envirosystems Management, INC	Indirect evidence	Flagstaff, AZ, United StatesHQ checked Sep 28, 2026	11-50	16 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
21	Crane Environmental Services, LLC	Indirect evidence	Evansville, IN, United StatesHQ checked Sep 28, 2026	11-50	16 contacts →
	Indirect evidence “We at Crane Environmental Services, LLC believe that the environment is our greatest asset.” Source: RevenueBase Database · checked Sep 28, 2026
22	Solum Consulting Group	Partial evidence	Denver, CO, United StatesHQ checked Sep 28, 2026	1-10	15 contacts →
	Partial evidence “The environment and sustainability are key considerations across the mining, energy and resources sectors.” Source: RevenueBase Database · checked Sep 28, 2026
23	Titanium Environmental Services, LLC	Indirect evidence	Longview, TX, United StatesHQ checked Sep 28, 2026	11-50	14 contacts →
	Indirect evidence “No two environmental compliance projects are the same.” Source: RevenueBase Database · checked Sep 28, 2026
24	Global Resource Engineering	Partial evidence	Golden, CO, United StatesHQ checked Sep 28, 2026	11-50	13 contacts →
	Partial evidence “Global Resource Engineering (GRE) is a mining engineering firm specializing in providing geology and engineering services to developing projects and existing operations.” Source: RevenueBase Database · checked Sep 28, 2026
25	HWA Wildlife Consulting, LLC	Indirect evidence	Laramie, WY, United StatesHQ checked Sep 28, 2026	11-50	13 contacts →
	Indirect evidence “HWA Wildlife Consulting, LLC,(HWA; formerly Hayden-Wing Associates) has been a leading provider of regulatory compliance, ecological and applied science research, and technical…” Source: RevenueBase Database · checked Sep 28, 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: mining permit 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 mining permit consultants.
Partial evidence: Its own public description names part of mining permit consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name mining permit 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 172 mining permit consultants based in the United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 664 reachable decision-makers.

Free signup · no credit card

View the full list →

Mining permit consultants based in the United States at a glance

As of Sep 28, 2026

42.3%Verified-email coverage

9.1Average contacts per company

1-10Median size (employees)

3.5%Largest-city concentration · Houston

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

109

11-50

51-200

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 172 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 mining permit 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 “mining permit 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 mining permit 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 mining permit 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, 664 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 28, 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 mining permit 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 mining permit consultants are there based in the United States?

RevenueBase identified 172 mining permit 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?

Ecorp Consulting, INC, headquartered in Rocklin, tops this list with the largest team on record.

Which city has the most mining permit consultants?

Houston leads with 6 headquartered companies, followed by Phoenix (5) and Grand Junction (4).

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 664 verified decision-maker contacts tracked across these 172 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 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 172 mining permit consultants based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

Mining permit consultants by geography

Browse the directory

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.