Company lists · Data refreshed September 2026
Top 25 Coal resource assessment companies based in the United States
RevenueBase identified 61 company matches for coal resource assessment companies associated with the United States as of September 2026 and tracks 784 professional contacts across them, including 318 with verified work emails. Grand Junction is the largest hub.
This list covers company matches for coal resource assessment companies 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 September 19, 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.
The 25 largest coal resource assessment companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 268 contacts → | ||||
Exact match “Reserves assessments and appraisals • Prospective resources assessments • Unconventional resources assessments • Contingent resources assessments • Reservoir simulation •…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 65 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 52 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 35 contacts → | ||||
Exact match “Since 1961, CG & A has been providing reliable and accurate reserves and economics evaluations to the oil and gas industry throughout the world.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 33 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 30 contacts → | ||||
Exact match “Behre Dolbear is one of the oldest mineral industry advisory firms in the world continuously operating since 1911.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 29 contacts → | ||||
Exact match “Headquartered in Bluefield, Virginia, Marshall Miller & Associates (MM & A) represents a unique assembly of engineering and science-related professionals, whose goals are to…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 18 contacts → | ||||
Exact match “GeoLogic, LLC, is a full-service geological engineering firm that uses scientific investigation and engineering design to provide innovative solutions to our clients’ most…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 18 contacts → | ||||
Exact match “PT Borneo Lumbung Energi & Metal Tbk is a company based out of 120 BROADWAY, New York, New York, United States.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 13 contacts → | ||||
Exact match “Global Resource Engineering (GRE) is a mining engineering firm specializing in providing geology and engineering services to developing projects and existing operations.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 12 contacts → | ||||
Exact match “Geological and environmental consulting company providing services to the mining industry, site-development businesses, private residential, commercial, industrial and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 9 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 9 contacts → | ||||
Exact match “Stagg Resource Consultants, Inc.(“STAGG”) provides a full range of professional services to the natural resource industry throughout the U.S.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 8 contacts → | ||||
Exact match “DIG provides innovative solutions to companies and individuals actively exploring, developing or producing unconventional resources.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 8 contacts → | ||||
Exact match “WEIR was founded in 1936 as the Paul Weir Company.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 6 contacts → | ||||
Exact match “Oil, Gas, and Mining Consultants The natural resource consultants at Gustavson Associates assist your organization to make better decisions and reduce risks.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 5 contacts → | ||||
Exact match “Subhorizon Geologic Resources LLC is a geological consulting firm with offices in Bloomsburg, PA and East Bend, NC providing the following services: Geologic Exploration & Mapping…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 3 contacts → | ||||
Exact match “Raven Ridge Resources, Incorporated turned 27 years old on April 13, 2015, is still providing dependable analysis and innovative solutions to our clients.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 3 contacts → | ||||
Exact match “At Storm Exploration, we understand the risks involved in mining and exploration are usually higher than the reward.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match “We hold Professional Geologist licenses, providing services and consulting to the mining, construction, and land management industries.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 2 contacts → | ||||
Exact match “OUR EXPERTISE AND EXPERIENCE MAKE ALL THE DIFFERENCE Founded in 1978 to meet the needs of the mineral and energy industries, Agapito Associates operates out of offices in Grand…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match “Telluric Technologies Inc is a geophysical services company based out of 8801 S Yale Ave Tulsa, OK United States.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 1 contacts → | ||||
Exact match “Doyle Trading Consultants is now part of McCloskey by OPIS, a Dow Jones company.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 1 contacts → | ||||
Exact match “Mining: Services for most aspects of underground and surface mining with an expertise in coal.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 1 contacts → | ||||
Exact match “GeoGlobal, LLC provides expert advisory services to the mining industry worldwide.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “coal resource assessment companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 61 coal resource assessment companies based in the United States
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Coal resource assessment companies based in the United States at a glance
As of Sep 19, 2026Companies by employee count
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 61 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 “coal resource assessment companies” 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 318 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 September 19, 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 “coal resource assessment companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many coal resource assessment companies are there based in the United States?
RevenueBase identified 61 company matches for coal resource assessment companies associated with the United States as of September 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?
Degolyer And Macnaughton tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most coal resource assessment companies?
Grand Junction leads with 4 company records, followed by Houston (4) and Golden (3).
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 318 professional contacts with verified work emails tracked across these 61 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 September 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 61 coal resource assessment companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Coal resource assessment companies by geography
- Coal resource assessment companies based in Australia
- Coal resource assessment companies based in Brazil
- Coal resource assessment companies based in Canada
- Coal resource assessment companies based in Indonesia
- Coal resource assessment companies based in South Africa
- Coal resource assessment companies based in the United Kingdom
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Coal resource assessment companies based in Australia
- Coal resource assessment companies based in Brazil
- Coal resource assessment companies based in Canada
- Coal resource assessment companies based in Indonesia
- Coal resource assessment companies based in South Africa
- Coal resource assessment companies based in the United Kingdom
Company intelligence · public preview
Top 25 coal resource assessment companies based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 61 matching company records for coal resource assessment companies based in the United States, with 784 tracked contacts and 318 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 coal resource assessment companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Degolyer And Macnaughtondemac.comHQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 268 contacts → |
“Reserves assessments and appraisals • Prospective resources assessments • Unconventional resources assessments • Contingent resources assessments • Reservoir simulation •…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  John T. Boyd Companyjtboyd.comHQ: Canonsburg, PA, United StatesReported employees: 51-200 | Canonsburg, PA, United States | 51-200 | Exact match | 65 contacts → |
“Since 1943, BOYD mining consultants have provided advisory services to a diverse mix of domestic and international clientele: mining companies, investors, financial institutions…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Call & Nicholascnitucson.comHQ: Tucson, AZ, United StatesReported employees: 51-200 | Tucson, AZ, United States | 51-200 | Exact match | 52 contacts → |
“CALL & NICHOLAS (CNI) is an international mining consulting firm that specializes in geological engineering, geotechnical engineering, and hydrogeology.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Cawley, Gillespie & Associates, INCcgaus.comHQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 35 contacts → |
“Since 1961, CG & A has been providing reliable and accurate reserves and economics evaluations to the oil and gas industry throughout the world.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Burgex Mining Consultantsburgex.comHQ: Midvale, UT, United StatesReported employees: 11-50 | Midvale, UT, United States | 11-50 | Exact match | 33 contacts → |
“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 description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Behre Dolbeardolbear.comHQ: Co. 80155, CO, United StatesReported employees: 51-200 | Co. 80155, CO, United States | 51-200 | Exact match | 30 contacts → |
“Behre Dolbear is one of the oldest mineral industry advisory firms in the world continuously operating since 1911.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Marshall Miller & Associatesmma1.com HQ: Bluefield, VA, United StatesReported employees: 11-50 | Bluefield, VA, United States | 11-50 | Exact match | 29 contacts → |
“Headquartered in Bluefield, Virginia, Marshall Miller & Associates (MM & A) represents a unique assembly of engineering and science-related professionals, whose goals are to…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Geologic LLCgeologicllc.netHQ: Marietta, GA, United StatesReported employees: 11-50 | Marietta, GA, United States | 11-50 | Exact match | 18 contacts → |
“GeoLogic, LLC, is a full-service geological engineering firm that uses scientific investigation and engineering design to provide innovative solutions to our clients’ most…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  PT Borneo Lumbung Energi & Metal TBKborneo.co.idHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 18 contacts → |
“PT Borneo Lumbung Energi & Metal Tbk is a company based out of 120 BROADWAY, New York, New York, United States.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Global Resource Engineeringglobal-resource-eng.comHQ: Golden, CO, United StatesReported employees: 11-50 | Golden, CO, United States | 11-50 | Exact match | 13 contacts → |
“Global Resource Engineering (GRE) is a mining engineering firm specializing in providing geology and engineering services to developing projects and existing operations.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Natural Resources Management, LLCnrmsolution.com HQ: Sylvania, OH, United StatesReported employees: 1-10 | Sylvania, OH, United States | 1-10 | Exact match | 12 contacts → |
“Geological and environmental consulting company providing services to the mining industry, site-development businesses, private residential, commercial, industrial and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Laroche Petroleum Consultants, LTDlarocheltd.com HQ: Plano, TX, United StatesReported employees: 11-50 | Plano, TX, United States | 11-50 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Stagg Resource Consultants, INCstaggconsultants.com HQ: Charleston, WV, United StatesReported employees: 1-10 | Charleston, WV, United States | 1-10 | Exact match | 9 contacts → |
“Stagg Resource Consultants, Inc.(“STAGG”) provides a full range of professional services to the natural resource industry throughout the U.S.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Dolan Integration Group DIGdigforenergy.com HQ: Westminster, CO, United StatesReported employees: 1-10 | Westminster, CO, United States | 1-10 | Exact match | 8 contacts → |
“DIG provides innovative solutions to companies and individuals actively exploring, developing or producing unconventional resources.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Weir International, INCweirintl.comHQ: Downers Grove, IL, United StatesReported employees: 11-50 | Downers Grove, IL, United States | 11-50 | Exact match | 8 contacts → |
“WEIR was founded in 1936 as the Paul Weir Company.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Gustavson Associates, LLCgustavson.comHQ: Boulder, CO, United StatesReported employees: 11-50 | Boulder, CO, United States | 11-50 | Exact match | 6 contacts → |
“Oil, Gas, and Mining Consultants The natural resource consultants at Gustavson Associates assist your organization to make better decisions and reduce risks.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Subhorizon Geologic Resources, LLCsubhorizonresources.com HQ: Winston Salem, NC, United StatesReported employees: 1-10 | Winston Salem, NC, United States | 1-10 | Exact match | 5 contacts → |
“Subhorizon Geologic Resources LLC is a geological consulting firm with offices in Bloomsburg, PA and East Bend, NC providing the following services: Geologic Exploration & Mapping…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Raven Ridge Resources, Incorporatedravenridge.com HQ: Grand Junction, CO, United StatesReported employees: 1-10 | Grand Junction, CO, United States | 1-10 | Exact match | 3 contacts → |
“Raven Ridge Resources, Incorporated turned 27 years old on April 13, 2015, is still providing dependable analysis and innovative solutions to our clients.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Storm Exploration LLCstormexploration.netHQ: Phoenix, AZ, United StatesReported employees: 1-10 | Phoenix, AZ, United States | 1-10 | Exact match | 3 contacts → |
“At Storm Exploration, we understand the risks involved in mining and exploration are usually higher than the reward.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Partlow Geologicalpartlowgeological.com HQ: Tuscaloosa, AL, United StatesReported employees: 1-10 | Tuscaloosa, AL, United States | 1-10 | Exact match | 3 contacts → |
“We hold Professional Geologist licenses, providing services and consulting to the mining, construction, and land management industries.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Agapito Associates, INCagapito.com HQ: Grand Junction, CO, United StatesReported employees: 11-50 | Grand Junction, CO, United States | 11-50 | Exact match | 2 contacts → |
“OUR EXPERTISE AND EXPERIENCE MAKE ALL THE DIFFERENCE Founded in 1978 to meet the needs of the mineral and energy industries, Agapito Associates operates out of offices in Grand…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Telluric Technologies INCtellurictechnologies.com HQ: Tulsa, OK, United StatesReported employees: 1-10 | Tulsa, OK, United States | 1-10 | Exact match | 2 contacts → |
“Telluric Technologies Inc is a geophysical services company based out of 8801 S Yale Ave Tulsa, OK United States.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Doyle Trading Consultantsopisnet.com HQ: Rockville, MD, United StatesReported employees: 11-50 | Rockville, MD, United States | 11-50 | Exact match | 1 contacts → |
“Doyle Trading Consultants is now part of McCloskey by OPIS, a Dow Jones company.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | J.P. Oldham Engineering & Consulting, LLCjpoldhamengineering.com HQ: Leadville, CO, United StatesReported employees: 1-10 | Leadville, CO, United States | 1-10 | Exact match | 1 contacts → |
“Mining: Services for most aspects of underground and surface mining with an expertise in coal.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Geoglobal LLCgeoglobal.co HQ: Riverton, UT, United StatesReported employees: 1-10 | Riverton, UT, United States | 1-10 | Exact match | 1 contacts → |
“GeoGlobal, LLC provides expert advisory services to the mining industry worldwide.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 61 company matches
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Coal resource assessment companies: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
61 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 61 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for coal resource assessment companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many coal resource assessment companies did RevenueBase find based in the United States?
The saved snapshot records 61 matching company records, 784 tracked contacts and 318 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Coal resource assessment companies by geography
- Coal resource assessment companies based in Australia
- Coal resource assessment companies based in Brazil
- Coal resource assessment companies based in Canada
- Coal resource assessment companies based in Indonesia
- Coal resource assessment companies based in South Africa
- Coal resource assessment companies based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 coal resource assessment companies based in the United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/coal-resource-assessment-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Coal resource assessment companies based in Australia
- Coal resource assessment companies based in Brazil
- Coal resource assessment companies based in Canada
- Coal resource assessment companies based in Indonesia
- Coal resource assessment companies based in South Africa
- Coal resource assessment companies based in the United Kingdom
Company intelligence · public preview
Top 25 coal resource assessment companies based in the United States
RevenueBase records 61 matching company records for coal resource assessment companies based in the United States, with 784 tracked contacts and 318 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 coal resource assessment companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Degolyer And Macnaughtondemac.com HQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 268 contacts → |
“Reserves assessments and appraisals • Prospective resources assessments • Unconventional resources assessments • Contingent resources assessments • Reservoir simulation •…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | John T. Boyd Companyjtboyd.com HQ: Canonsburg, PA, United StatesReported employees: 51-200 | Canonsburg, PA, United States | 51-200 | Exact match | 65 contacts → |
“Since 1943, BOYD mining consultants have provided advisory services to a diverse mix of domestic and international clientele: mining companies, investors, financial institutions…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Call & Nicholascnitucson.com HQ: Tucson, AZ, United StatesReported employees: 51-200 | Tucson, AZ, United States | 51-200 | Exact match | 52 contacts → |
“CALL & NICHOLAS (CNI) is an international mining consulting firm that specializes in geological engineering, geotechnical engineering, and hydrogeology.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Cawley, Gillespie & Associates, INCcgaus.com HQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 35 contacts → |
“Since 1961, CG & A has been providing reliable and accurate reserves and economics evaluations to the oil and gas industry throughout the world.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Burgex Mining Consultantsburgex.com HQ: Midvale, UT, United StatesReported employees: 11-50 | Midvale, UT, United States | 11-50 | Exact match | 33 contacts → |
“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 description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Behre Dolbeardolbear.com HQ: Co. 80155, CO, United StatesReported employees: 51-200 | Co. 80155, CO, United States | 51-200 | Exact match | 30 contacts → |
“Behre Dolbear is one of the oldest mineral industry advisory firms in the world continuously operating since 1911.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Marshall Miller & Associatesmma1.com HQ: Bluefield, VA, United StatesReported employees: 11-50 | Bluefield, VA, United States | 11-50 | Exact match | 29 contacts → |
“Headquartered in Bluefield, Virginia, Marshall Miller & Associates (MM & A) represents a unique assembly of engineering and science-related professionals, whose goals are to…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Geologic LLCgeologicllc.net HQ: Marietta, GA, United StatesReported employees: 11-50 | Marietta, GA, United States | 11-50 | Exact match | 18 contacts → |
“GeoLogic, LLC, is a full-service geological engineering firm that uses scientific investigation and engineering design to provide innovative solutions to our clients’ most…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | PT Borneo Lumbung Energi & Metal TBKborneo.co.id HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 18 contacts → |
“PT Borneo Lumbung Energi & Metal Tbk is a company based out of 120 BROADWAY, New York, New York, United States.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Global Resource Engineeringglobal-resource-eng.com HQ: Golden, CO, United StatesReported employees: 11-50 | Golden, CO, United States | 11-50 | Exact match | 13 contacts → |
“Global Resource Engineering (GRE) is a mining engineering firm specializing in providing geology and engineering services to developing projects and existing operations.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Natural Resources Management, LLCnrmsolution.com HQ: Sylvania, OH, United StatesReported employees: 1-10 | Sylvania, OH, United States | 1-10 | Exact match | 12 contacts → |
“Geological and environmental consulting company providing services to the mining industry, site-development businesses, private residential, commercial, industrial and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Laroche Petroleum Consultants, LTDlarocheltd.com HQ: Plano, TX, United StatesReported employees: 11-50 | Plano, TX, United States | 11-50 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Stagg Resource Consultants, INCstaggconsultants.com HQ: Charleston, WV, United StatesReported employees: 1-10 | Charleston, WV, United States | 1-10 | Exact match | 9 contacts → |
“Stagg Resource Consultants, Inc.(“STAGG”) provides a full range of professional services to the natural resource industry throughout the U.S.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Dolan Integration Group DIGdigforenergy.com HQ: Westminster, CO, United StatesReported employees: 1-10 | Westminster, CO, United States | 1-10 | Exact match | 8 contacts → |
“DIG provides innovative solutions to companies and individuals actively exploring, developing or producing unconventional resources.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Weir International, INCweirintl.com HQ: Downers Grove, IL, United StatesReported employees: 11-50 | Downers Grove, IL, United States | 11-50 | Exact match | 8 contacts → |
“WEIR was founded in 1936 as the Paul Weir Company.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Gustavson Associates, LLCgustavson.com HQ: Boulder, CO, United StatesReported employees: 11-50 | Boulder, CO, United States | 11-50 | Exact match | 6 contacts → |
“Oil, Gas, and Mining Consultants The natural resource consultants at Gustavson Associates assist your organization to make better decisions and reduce risks.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Subhorizon Geologic Resources, LLCsubhorizonresources.com HQ: Winston Salem, NC, United StatesReported employees: 1-10 | Winston Salem, NC, United States | 1-10 | Exact match | 5 contacts → |
“Subhorizon Geologic Resources LLC is a geological consulting firm with offices in Bloomsburg, PA and East Bend, NC providing the following services: Geologic Exploration & Mapping…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Raven Ridge Resources, Incorporatedravenridge.com HQ: Grand Junction, CO, United StatesReported employees: 1-10 | Grand Junction, CO, United States | 1-10 | Exact match | 3 contacts → |
“Raven Ridge Resources, Incorporated turned 27 years old on April 13, 2015, is still providing dependable analysis and innovative solutions to our clients.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Storm Exploration LLCstormexploration.net HQ: Phoenix, AZ, United StatesReported employees: 1-10 | Phoenix, AZ, United States | 1-10 | Exact match | 3 contacts → |
“At Storm Exploration, we understand the risks involved in mining and exploration are usually higher than the reward.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Partlow Geologicalpartlowgeological.com HQ: Tuscaloosa, AL, United StatesReported employees: 1-10 | Tuscaloosa, AL, United States | 1-10 | Exact match | 3 contacts → |
“We hold Professional Geologist licenses, providing services and consulting to the mining, construction, and land management industries.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Agapito Associates, INCagapito.com HQ: Grand Junction, CO, United StatesReported employees: 11-50 | Grand Junction, CO, United States | 11-50 | Exact match | 2 contacts → |
“OUR EXPERTISE AND EXPERIENCE MAKE ALL THE DIFFERENCE Founded in 1978 to meet the needs of the mineral and energy industries, Agapito Associates operates out of offices in Grand…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Telluric Technologies INCtellurictechnologies.com HQ: Tulsa, OK, United StatesReported employees: 1-10 | Tulsa, OK, United States | 1-10 | Exact match | 2 contacts → |
“Telluric Technologies Inc is a geophysical services company based out of 8801 S Yale Ave Tulsa, OK United States.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Doyle Trading Consultantsopisnet.com HQ: Rockville, MD, United StatesReported employees: 11-50 | Rockville, MD, United States | 11-50 | Exact match | 1 contacts → |
“Doyle Trading Consultants is now part of McCloskey by OPIS, a Dow Jones company.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | J.P. Oldham Engineering & Consulting, LLCjpoldhamengineering.com HQ: Leadville, CO, United StatesReported employees: 1-10 | Leadville, CO, United States | 1-10 | Exact match | 1 contacts → |
“Mining: Services for most aspects of underground and surface mining with an expertise in coal.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Geoglobal LLCgeoglobal.co HQ: Riverton, UT, United StatesReported employees: 1-10 | Riverton, UT, United States | 1-10 | Exact match | 1 contacts → |
“GeoGlobal, LLC provides expert advisory services to the mining industry worldwide.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 61 company matches
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Coal resource assessment companies: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
61 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 61 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for coal resource assessment companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many coal resource assessment companies did RevenueBase find based in the United States?
The saved snapshot records 61 matching company records, 784 tracked contacts and 318 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 coal resource assessment companies based in the United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/coal-resource-assessment-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Coal resource assessment companies based in Australia
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