Company lists · Data refreshed August 2026
Top 25 Coal geology consulting firms based in the United States
RevenueBase identified 545 company matches for coal geology consulting firms associated with the United States as of August 2026 and tracks 6,556 professional contacts across them, including 2,476 with verified work emails and 2,764 with mobile numbers. Houston is the largest hub.
This list covers company matches for coal geology consulting firms 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 August 31, 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 geology consulting firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 457 contacts → | ||||
Exact match “Geo-Technology Associates, Inc.(GTA) proudly celebrates more than 40 years of service, backed by a team of 600+ professionals-including geotechnical engineers, environmental…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 2 | 303 contacts → | ||||
Exact match “Hillis-Carnes Engineering Associates, Inc.(HCEA) is a Mid-Atlantic based, multi-disciplined consulting engineering firm.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 3 | 267 contacts → | ||||
Exact match “Reserves assessments and appraisals • Prospective resources assessments • Unconventional resources assessments • Contingent resources assessments • Reservoir simulation •…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 4 | 139 contacts → | ||||
Exact match “Piteau Associates offers geotechnical, hydrogeological, and water management expertise to the mining, construction, municipal, first nations, and industrial sectors.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 5 | 137 contacts → | ||||
Exact match “PetroStrat is a Stratigraphic Consultancy that provides a comprehensive suite of integrated geological services to the Oil & Gas industry.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 6 | 119 contacts → | ||||
Exact match “G2 Consulting Group, LLC is a consulting engineering firm providing geotechnical, geoenvironmental, and construction engineering services.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 7 | 119 contacts → | ||||
Exact match “Welcome to SDS Petroleum Consultants company page In Scott Stovall founded SDS Petroleum Consultants L.L.C.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 8 | 106 contacts → | ||||
Exact match “Geo-Logic Associates, Inc.(GLA) is an employee-owned, multidisciplinary consulting firm.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 9 | 102 contacts → | ||||
Exact match “Founded in Blade Energy Partners is an independent consulting company known for overcoming the challenges of complex multidisciplinary projects in the oil, gas, and geothermal…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 10 | 91 contacts → | ||||
Exact match “Plaster & Wald Consulting Corp has provided engineering and consulting services to the oil & gas industry since 1997.Our supervisors provide technical expertise in well planning…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 11 | 83 contacts → | ||||
Exact match “Sdii Global Corporation (SDII) is an industry-leading forensic engineering and earth sciences firm, recognized by its clients as the foremost source of experts to have as their…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 12 | 79 contacts → | ||||
Exact match “Rangefront exists to serve your mining or exploration project in the most efficient, advanced, and forward-thinking way.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 13 | 74 contacts → | ||||
Exact match “Founded in 1972, AGW is a multi-disciplined consulting engineering firm specializing in the geosciences and environmental services.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 14 | 60 contacts → | ||||
Exact match “Terra Guidance provides geological analysis remotely, onsite, and in-house.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 15 | 57 contacts → | ||||
Exact match “Giles Engineering Associates, Inc.(Giles) is a national consulting engineering firm specializing in geotechnical (soils), environmental, subsurface exploration (drilling), and…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 16 | 56 contacts → | ||||
Exact match “Cornerstone Earth Group integrates geotechnical engineering, environmental services, engineering geology, and construction services into a single, client-focused team to…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 17 | 56 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 18 | 56 contacts → | ||||
Exact match “Founded in Contour Engineering, LLC specializes in geotechnical engineering, environmental/natural resource consulting, special inspection services and construction materials…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 19 | 54 contacts → | ||||
Exact match “Petroleum Engineering & Energy Advisors - With the Lonquist team, you have access to some of the most experienced and skilled professionals in the business.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 20 | 47 contacts → | ||||
Exact match “In the early 1980s, geologist Louis Lepp had a vision to start a local geologic/geotechnical engineering consulting company by combining and coordinating several of the…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 21 | 47 contacts → | ||||
Exact match “Riner Engineering became part of the UES family of companies in June 2023, combining our local expertise with UES’s nationwide presence and resources.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 22 | 47 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 23 | 40 contacts → | ||||
Exact match “GEOServices, LLC is a geotechnical engineering, materials testing, construction services and environmental services firm.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 24 | 40 contacts → | ||||
Exact match “KEY Environmental is a 30-year-old Engineering and Consulting Company, providing Civil, Geotechnical, Chemical, Environmental, and Geological/Hydrogeological Services paired with…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 25 | 38 contacts → | ||||
Exact match “Earthres Group, Inc.(EARTHRES) is a full-service multi-disciplinary engineering and environmental consulting firm providing high-quality services to private and public clients in…” Recorded in the RevenueBase company graph · Aug 31, 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 geology consulting firms”. 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 545 coal geology consulting firms based in the United States
See the full list, filter by size, metro and specialty, and access 2,476 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Coal geology consulting firms based in the United States at a glance
As of Aug 31, 2026Companies by employee count
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 geology consulting firms” 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 2,476 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 August 31, 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.
Coal geology consulting firms by metro
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 geology consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many coal geology consulting firms are there based in the United States?
RevenueBase identified 545 company matches for coal geology consulting firms associated with the United States as of August 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?
Geo-Technology Associates, Inc. GTA tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most coal geology consulting firms?
Houston leads with 48 company records, followed by Denver (16) and Oklahoma City (8).
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 2,476 professional contacts with verified work emails tracked across these 545 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 August 31, 2026.
Ready to reach these companies? Verified emails and direct dials for all 545 coal geology consulting firms based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Coal geology consulting firms by geography
- Coal geology consulting firms based in Australia
- Coal geology consulting firms based in Brazil
- Coal geology consulting firms based in Canada
- Coal geology consulting firms based in South Africa
- Coal geology consulting firms based in the United Kingdom
- Coal geology consulting firms based in Italy
- Coal geology consulting firms based in Germany
- Coal geology consulting firms based in Spain
- Coal geology consulting firms based in France
- Coal geology consulting firms based in Argentina
- Coal geology consulting firms based in Switzerland
- Coal geology consulting firms based in Brisbane, Australia
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 geology consulting firms based in Australia
- Coal geology consulting firms based in Brazil
- Coal geology consulting firms based in Canada
- Coal geology consulting firms based in South Africa
- Coal geology consulting firms based in the United Kingdom
- Coal geology consulting firms based in Italy
Company intelligence · public preview
Top 25 coal geology consulting firms 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 545 matching company records for coal geology consulting firms based in the United States, with 6,556 tracked contacts and 2,476 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: August 31, 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 geology consulting firms 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 |  Geo-Technology Associates, Inc. GTAgtaeng.comHQ: HQ not recorded; location: Laurel, MD, United StatesReported employees: 501-1,000 | HQ not recorded; location: Laurel, MD, United States | 501-1,000 | Exact match | 457 contacts → |
“Geo-Technology Associates, Inc.(GTA) proudly celebrates more than 40 years of service, backed by a team of 600+ professionals-including geotechnical engineers, environmental…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: HQ not recorded; location: Frederick, MD, United StatesReported employees: 201-500 | HQ not recorded; location: Frederick, MD, United States | 201-500 | Exact match | 303 contacts → |
“Hillis-Carnes Engineering Associates, Inc.(HCEA) is a Mid-Atlantic based, multi-disciplined consulting engineering firm.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Degolyer And Macnaughtondemac.comHQ: HQ not recorded; location: Houston, TX, United StatesReported employees: 201-500 | HQ not recorded; location: Houston, TX, United States | 201-500 | Exact match | 267 contacts → |
“Reserves assessments and appraisals • Prospective resources assessments • Unconventional resources assessments • Contingent resources assessments • Reservoir simulation •…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Piteau Associates Engineeringpiteau.comHQ: HQ not recorded; location: Tucson, AZ, United StatesReported employees: 51-200 | HQ not recorded; location: Tucson, AZ, United States | 51-200 | Exact match | 139 contacts → |
“Piteau Associates offers geotechnical, hydrogeological, and water management expertise to the mining, construction, municipal, first nations, and industrial sectors.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Petrostratpetrostrat.comHQ: HQ not recorded; location: Houston, TX, United StatesReported employees: 51-200 | HQ not recorded; location: Houston, TX, United States | 51-200 | Exact match | 137 contacts → |
“PetroStrat is a Stratigraphic Consultancy that provides a comprehensive suite of integrated geological services to the Oil & Gas industry.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  G2 Consulting Group, LLCg2consultinggroup.comHQ: HQ not recorded; location: Ann Arbor, MI, United StatesReported employees: 51-200 | HQ not recorded; location: Ann Arbor, MI, United States | 51-200 | Exact match | 119 contacts → |
“G2 Consulting Group, LLC is a consulting engineering firm providing geotechnical, geoenvironmental, and construction engineering services.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  SDS Petroleum Consultantssdspetroleumconsultants.comHQ: HQ not recorded; location: Oklahoma City, OK, United StatesReported employees: 51-200 | HQ not recorded; location: Oklahoma City, OK, United States | 51-200 | Exact match | 119 contacts → |
“Welcome to SDS Petroleum Consultants company page In Scott Stovall founded SDS Petroleum Consultants L.L.C.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Geo-Logic Associates, INCgeo-logic.comHQ: HQ not recorded; location: Riverside, CA, United StatesReported employees: 201-500 | HQ not recorded; location: Riverside, CA, United States | 201-500 | Exact match | 106 contacts → |
“Geo-Logic Associates, Inc.(GLA) is an employee-owned, multidisciplinary consulting firm.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Blade Energy Partnersblade-energy.comHQ: HQ not recorded; location: Houston, TX, United StatesReported employees: 51-200 | HQ not recorded; location: Houston, TX, United States | 51-200 | Exact match | 102 contacts → |
“Founded in Blade Energy Partners is an independent consulting company known for overcoming the challenges of complex multidisciplinary projects in the oil, gas, and geothermal…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Plaster & Wald Consulting Corpplasterandwald.comHQ: HQ not recorded; location: Mustang, OK, United StatesReported employees: 201-500 | HQ not recorded; location: Mustang, OK, United States | 201-500 | Exact match | 91 contacts → |
“Plaster & Wald Consulting Corp has provided engineering and consulting services to the oil & gas industry since 1997.Our supervisors provide technical expertise in well planning…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Sdii Globalsdii-global.comHQ: HQ not recorded; location: Tampa, FL, United StatesReported employees: 51-200 | HQ not recorded; location: Tampa, FL, United States | 51-200 | Exact match | 83 contacts → |
“Sdii Global Corporation (SDII) is an industry-leading forensic engineering and earth sciences firm, recognized by its clients as the foremost source of experts to have as their…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Rangefront Mining Servicesrangefront.comHQ: HQ not recorded; location: Elko, NV, United StatesReported employees: 51-200 | HQ not recorded; location: Elko, NV, United States | 51-200 | Exact match | 79 contacts → |
“Rangefront exists to serve your mining or exploration project in the most efficient, advanced, and forward-thinking way.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  A. G. Wassenaar, INCagwco.comHQ: HQ not recorded; location: Englewood, CO, United StatesReported employees: 51-200 | HQ not recorded; location: Englewood, CO, United States | 51-200 | Exact match | 74 contacts → |
“Founded in 1972, AGW is a multi-disciplined consulting engineering firm specializing in the geosciences and environmental services.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Terra Guidance, LLCterraguidance.comHQ: HQ not recorded; location: Englewood, CO, United StatesReported employees: 51-200 | HQ not recorded; location: Englewood, CO, United States | 51-200 | Exact match | 60 contacts → |
“Terra Guidance provides geological analysis remotely, onsite, and in-house.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Giles Engineering Associates, INCgilesengr.comHQ: HQ not recorded; location: Orange, CA, United StatesReported employees: 51-200 | HQ not recorded; location: Orange, CA, United States | 51-200 | Exact match | 57 contacts → |
“Giles Engineering Associates, Inc.(Giles) is a national consulting engineering firm specializing in geotechnical (soils), environmental, subsurface exploration (drilling), and…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Cornerstone Earth Group, INCcornerstoneearth.comHQ: HQ not recorded; location: Sunnyvale, CA, United StatesReported employees: 51-200 | HQ not recorded; location: Sunnyvale, CA, United States | 51-200 | Exact match | 56 contacts → |
“Cornerstone Earth Group integrates geotechnical engineering, environmental services, engineering geology, and construction services into a single, client-focused team to…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Engineering Analytics, INCenganalytics.comHQ: HQ not recorded; location: Fort Collins, CO, United StatesReported employees: 201-500 | HQ not recorded; location: Fort Collins, CO, United States | 201-500 | Exact match | 56 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  Contour Engineering, LLCcontoureng.comHQ: HQ not recorded; location: Kennesaw, GA, United StatesReported employees: 51-200 | HQ not recorded; location: Kennesaw, GA, United States | 51-200 | Exact match | 56 contacts → |
“Founded in Contour Engineering, LLC specializes in geotechnical engineering, environmental/natural resource consulting, special inspection services and construction materials…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Lonquist & Co., LLClonquist.comHQ: HQ not recorded; location: Austin, TX, United StatesReported employees: 51-200 | HQ not recorded; location: Austin, TX, United States | 51-200 | Exact match | 54 contacts → |
“Petroleum Engineering & Energy Advisors - With the Lonquist team, you have access to some of the most experienced and skilled professionals in the business.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Associated Earth Sciences, Inc. Aesiaesgeo.comHQ: HQ not recorded; location: Tacoma, WA, United StatesReported employees: 51-200 | HQ not recorded; location: Tacoma, WA, United States | 51-200 | Exact match | 47 contacts → |
“In the early 1980s, geologist Louis Lepp had a vision to start a local geologic/geotechnical engineering consulting company by combining and coordinating several of the…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Riner Engineering, Inc., A UES Companyrinerengineering.comHQ: HQ not recorded; location: Austin, TX, United StatesReported employees: 51-200 | HQ not recorded; location: Austin, TX, United States | 51-200 | Exact match | 47 contacts → |
“Riner Engineering became part of the UES family of companies in June 2023, combining our local expertise with UES’s nationwide presence and resources.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Field GEO Services, INCfieldgeoservices.comHQ: HQ not recorded; location: Grand Junction, CO, United StatesReported employees: 51-200 | HQ not recorded; location: Grand Junction, CO, United States | 51-200 | Exact match | 47 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 |  Geoservices, LLCgeoservicesllc.comHQ: HQ not recorded; location: Cleveland, TN, United StatesReported employees: 51-200 | HQ not recorded; location: Cleveland, TN, United States | 51-200 | Exact match | 40 contacts → |
“GEOServices, LLC is a geotechnical engineering, materials testing, construction services and environmental services firm.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  KEY Environmental INCkeyenvir.comHQ: HQ not recorded; location: Carnegie, PA, United StatesReported employees: 51-200 | HQ not recorded; location: Carnegie, PA, United States | 51-200 | Exact match | 40 contacts → |
“KEY Environmental is a 30-year-old Engineering and Consulting Company, providing Civil, Geotechnical, Chemical, Environmental, and Geological/Hydrogeological Services paired with…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Earthres, A Division Of Respecearthres.comHQ: HQ not recorded; location: Morgantown, WV, United StatesReported employees: 51-200 | HQ not recorded; location: Morgantown, WV, United States | 51-200 | Exact match | 38 contacts → |
“Earthres Group, Inc.(EARTHRES) is a full-service multi-disciplinary engineering and environmental consulting firm providing high-quality services to private and public clients in…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 545 company matches
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Coal geology consulting firms: dataset insights
August 31, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
545 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.
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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: August 31, 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 ↗
Coal geology consulting firms by metro
Questions about this company list
What does Exact match mean for coal geology consulting firms?
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 geology consulting firms did RevenueBase find based in the United States?
The saved snapshot records 545 matching company records, 6,556 tracked contacts and 2,476 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: August 31, 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 geology consulting firms by geography
- Coal geology consulting firms based in Australia
- Coal geology consulting firms based in Brazil
- Coal geology consulting firms based in Canada
- Coal geology consulting firms based in South Africa
- Coal geology consulting firms based in the United Kingdom
- Coal geology consulting firms based in Italy
- Coal geology consulting firms based in Germany
- Coal geology consulting firms based in Spain
- Coal geology consulting firms based in France
- Coal geology consulting firms based in Argentina
- Coal geology consulting firms based in Switzerland
- Coal geology consulting firms based in Brisbane, Australia
Cite this list
RevenueBase Data Team. Top 25 coal geology consulting firms based in the United States. Snapshot: August 31, 2026. https://revenuebase.ai/companies/coal-geology-consulting-firms/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 geology consulting firms based in Australia
- Coal geology consulting firms based in Brazil
- Coal geology consulting firms based in Canada
- Coal geology consulting firms based in South Africa
- Coal geology consulting firms based in the United Kingdom
- Coal geology consulting firms based in Italy
Company intelligence · public preview
Top 25 coal geology consulting firms based in the United States
RevenueBase records 545 matching company records for coal geology consulting firms based in the United States, with 6,556 tracked contacts and 2,476 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: August 31, 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 geology consulting firms 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 | Geo-Technology Associates, Inc. GTAgtaeng.com HQ: HQ not recorded; location: Laurel, MD, United StatesReported employees: 501-1,000 | HQ not recorded; location: Laurel, MD, United States | 501-1,000 | Exact match | 457 contacts → |
“Geo-Technology Associates, Inc.(GTA) proudly celebrates more than 40 years of service, backed by a team of 600+ professionals-including geotechnical engineers, environmental…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: HQ not recorded; location: Frederick, MD, United StatesReported employees: 201-500 | HQ not recorded; location: Frederick, MD, United States | 201-500 | Exact match | 303 contacts → |
“Hillis-Carnes Engineering Associates, Inc.(HCEA) is a Mid-Atlantic based, multi-disciplined consulting engineering firm.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Degolyer And Macnaughtondemac.com HQ: HQ not recorded; location: Houston, TX, United StatesReported employees: 201-500 | HQ not recorded; location: Houston, TX, United States | 201-500 | Exact match | 267 contacts → |
“Reserves assessments and appraisals • Prospective resources assessments • Unconventional resources assessments • Contingent resources assessments • Reservoir simulation •…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Piteau Associates Engineeringpiteau.com HQ: HQ not recorded; location: Tucson, AZ, United StatesReported employees: 51-200 | HQ not recorded; location: Tucson, AZ, United States | 51-200 | Exact match | 139 contacts → |
“Piteau Associates offers geotechnical, hydrogeological, and water management expertise to the mining, construction, municipal, first nations, and industrial sectors.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Petrostratpetrostrat.com HQ: HQ not recorded; location: Houston, TX, United StatesReported employees: 51-200 | HQ not recorded; location: Houston, TX, United States | 51-200 | Exact match | 137 contacts → |
“PetroStrat is a Stratigraphic Consultancy that provides a comprehensive suite of integrated geological services to the Oil & Gas industry.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | G2 Consulting Group, LLCg2consultinggroup.com HQ: HQ not recorded; location: Ann Arbor, MI, United StatesReported employees: 51-200 | HQ not recorded; location: Ann Arbor, MI, United States | 51-200 | Exact match | 119 contacts → |
“G2 Consulting Group, LLC is a consulting engineering firm providing geotechnical, geoenvironmental, and construction engineering services.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | SDS Petroleum Consultantssdspetroleumconsultants.com HQ: HQ not recorded; location: Oklahoma City, OK, United StatesReported employees: 51-200 | HQ not recorded; location: Oklahoma City, OK, United States | 51-200 | Exact match | 119 contacts → |
“Welcome to SDS Petroleum Consultants company page In Scott Stovall founded SDS Petroleum Consultants L.L.C.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Geo-Logic Associates, INCgeo-logic.com HQ: HQ not recorded; location: Riverside, CA, United StatesReported employees: 201-500 | HQ not recorded; location: Riverside, CA, United States | 201-500 | Exact match | 106 contacts → |
“Geo-Logic Associates, Inc.(GLA) is an employee-owned, multidisciplinary consulting firm.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Blade Energy Partnersblade-energy.com HQ: HQ not recorded; location: Houston, TX, United StatesReported employees: 51-200 | HQ not recorded; location: Houston, TX, United States | 51-200 | Exact match | 102 contacts → |
“Founded in Blade Energy Partners is an independent consulting company known for overcoming the challenges of complex multidisciplinary projects in the oil, gas, and geothermal…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Plaster & Wald Consulting Corpplasterandwald.com HQ: HQ not recorded; location: Mustang, OK, United StatesReported employees: 201-500 | HQ not recorded; location: Mustang, OK, United States | 201-500 | Exact match | 91 contacts → |
“Plaster & Wald Consulting Corp has provided engineering and consulting services to the oil & gas industry since 1997.Our supervisors provide technical expertise in well planning…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Sdii Globalsdii-global.com HQ: HQ not recorded; location: Tampa, FL, United StatesReported employees: 51-200 | HQ not recorded; location: Tampa, FL, United States | 51-200 | Exact match | 83 contacts → |
“Sdii Global Corporation (SDII) is an industry-leading forensic engineering and earth sciences firm, recognized by its clients as the foremost source of experts to have as their…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Rangefront Mining Servicesrangefront.com HQ: HQ not recorded; location: Elko, NV, United StatesReported employees: 51-200 | HQ not recorded; location: Elko, NV, United States | 51-200 | Exact match | 79 contacts → |
“Rangefront exists to serve your mining or exploration project in the most efficient, advanced, and forward-thinking way.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | A. G. Wassenaar, INCagwco.com HQ: HQ not recorded; location: Englewood, CO, United StatesReported employees: 51-200 | HQ not recorded; location: Englewood, CO, United States | 51-200 | Exact match | 74 contacts → |
“Founded in 1972, AGW is a multi-disciplined consulting engineering firm specializing in the geosciences and environmental services.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Terra Guidance, LLCterraguidance.com HQ: HQ not recorded; location: Englewood, CO, United StatesReported employees: 51-200 | HQ not recorded; location: Englewood, CO, United States | 51-200 | Exact match | 60 contacts → |
“Terra Guidance provides geological analysis remotely, onsite, and in-house.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Giles Engineering Associates, INCgilesengr.com HQ: HQ not recorded; location: Orange, CA, United StatesReported employees: 51-200 | HQ not recorded; location: Orange, CA, United States | 51-200 | Exact match | 57 contacts → |
“Giles Engineering Associates, Inc.(Giles) is a national consulting engineering firm specializing in geotechnical (soils), environmental, subsurface exploration (drilling), and…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Cornerstone Earth Group, INCcornerstoneearth.com HQ: HQ not recorded; location: Sunnyvale, CA, United StatesReported employees: 51-200 | HQ not recorded; location: Sunnyvale, CA, United States | 51-200 | Exact match | 56 contacts → |
“Cornerstone Earth Group integrates geotechnical engineering, environmental services, engineering geology, and construction services into a single, client-focused team to…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Engineering Analytics, INCenganalytics.com HQ: HQ not recorded; location: Fort Collins, CO, United StatesReported employees: 201-500 | HQ not recorded; location: Fort Collins, CO, United States | 201-500 | Exact match | 56 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Contour Engineering, LLCcontoureng.com HQ: HQ not recorded; location: Kennesaw, GA, United StatesReported employees: 51-200 | HQ not recorded; location: Kennesaw, GA, United States | 51-200 | Exact match | 56 contacts → |
“Founded in Contour Engineering, LLC specializes in geotechnical engineering, environmental/natural resource consulting, special inspection services and construction materials…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Lonquist & Co., LLClonquist.com HQ: HQ not recorded; location: Austin, TX, United StatesReported employees: 51-200 | HQ not recorded; location: Austin, TX, United States | 51-200 | Exact match | 54 contacts → |
“Petroleum Engineering & Energy Advisors - With the Lonquist team, you have access to some of the most experienced and skilled professionals in the business.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Associated Earth Sciences, Inc. Aesiaesgeo.com HQ: HQ not recorded; location: Tacoma, WA, United StatesReported employees: 51-200 | HQ not recorded; location: Tacoma, WA, United States | 51-200 | Exact match | 47 contacts → |
“In the early 1980s, geologist Louis Lepp had a vision to start a local geologic/geotechnical engineering consulting company by combining and coordinating several of the…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Riner Engineering, Inc., A UES Companyrinerengineering.com HQ: HQ not recorded; location: Austin, TX, United StatesReported employees: 51-200 | HQ not recorded; location: Austin, TX, United States | 51-200 | Exact match | 47 contacts → |
“Riner Engineering became part of the UES family of companies in June 2023, combining our local expertise with UES’s nationwide presence and resources.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Field GEO Services, INCfieldgeoservices.com HQ: HQ not recorded; location: Grand Junction, CO, United StatesReported employees: 51-200 | HQ not recorded; location: Grand Junction, CO, United States | 51-200 | Exact match | 47 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Geoservices, LLCgeoservicesllc.com HQ: HQ not recorded; location: Cleveland, TN, United StatesReported employees: 51-200 | HQ not recorded; location: Cleveland, TN, United States | 51-200 | Exact match | 40 contacts → |
“GEOServices, LLC is a geotechnical engineering, materials testing, construction services and environmental services firm.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | KEY Environmental INCkeyenvir.com HQ: HQ not recorded; location: Carnegie, PA, United StatesReported employees: 51-200 | HQ not recorded; location: Carnegie, PA, United States | 51-200 | Exact match | 40 contacts → |
“KEY Environmental is a 30-year-old Engineering and Consulting Company, providing Civil, Geotechnical, Chemical, Environmental, and Geological/Hydrogeological Services paired with…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Earthres, A Division Of Respecearthres.com HQ: HQ not recorded; location: Morgantown, WV, United StatesReported employees: 51-200 | HQ not recorded; location: Morgantown, WV, United States | 51-200 | Exact match | 38 contacts → |
“Earthres Group, Inc.(EARTHRES) is a full-service multi-disciplinary engineering and environmental consulting firm providing high-quality services to private and public clients in…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 545 company matches
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Coal geology consulting firms: dataset insights
August 31, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
545 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.
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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: August 31, 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 ↗
Coal geology consulting firms by metro
Questions about this company list
What does Exact match mean for coal geology consulting firms?
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 geology consulting firms did RevenueBase find based in the United States?
The saved snapshot records 545 matching company records, 6,556 tracked contacts and 2,476 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: August 31, 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 geology consulting firms by geography
- Coal geology consulting firms based in Australia
- Coal geology consulting firms based in Brazil
- Coal geology consulting firms based in Canada
- Coal geology consulting firms based in South Africa
- Coal geology consulting firms based in the United Kingdom
- Coal geology consulting firms based in Italy
- Coal geology consulting firms based in Germany
- Coal geology consulting firms based in Spain
- Coal geology consulting firms based in France
- Coal geology consulting firms based in Argentina
- Coal geology consulting firms based in Switzerland
- Coal geology consulting firms based in Brisbane, Australia
Cite this list
RevenueBase Data Team. Top 25 coal geology consulting firms based in the United States. Snapshot: August 31, 2026. https://revenuebase.ai/companies/coal-geology-consulting-firms/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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