Company lists · Data refreshed September 2026
Top 16 Clean coal companies based in the United States
RevenueBase identified 35 company matches for clean coal companies associated with the United States as of September 2026 and tracks 723 professional contacts across them, including 181 with verified work emails. Houston is the largest hub.
This list covers company matches for clean coal 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 15, 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 16 largest clean coal companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 67 contacts → | ||||
Exact match “Wolverine Fuels, LLC produces high-quality, clean-burning coal that is sold to markets throughout the world.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 2 | 58 contacts → | ||||
Exact match “Headquartered in Boulder, Colorado, ION Clean Energy has developed a transformative carbon capture technology that is particularly effective in capturing CO2 emissions from…” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 3 | 53 contacts → | ||||
Exact match “8 Rivers is a clean energy and climate technology company leading the global energy industry towards achieving net zero.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 4 | 36 contacts → | ||||
Exact match “Our world is facing many challenges including limited resources, rising costs, economic uncertainty, sustainability, and environmental concerns.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 5 | 29 contacts → | ||||
Exact match “Deploying technology that makes 'Power without Pollution' a reality.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 6 | 23 contacts → | ||||
Exact match “Verdox is redefining carbon capture with its patented, fully electric, ultra-low-energy technology.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 7 | 20 contacts → | ||||
Exact match “ClearSign Technologies (NASDAQ: CLIR) designs and develops technologies that aim to solve the greatest challenge facing the energy industry today: capital intensive emissions…” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 8 | 14 contacts → | ||||
Exact match “We’re a passionate, hard-working, and quick-moving group of people that are driven by the mission to save the planet.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 9 | 6 contacts → | ||||
Exact match “Aquarry helps the mining industry decarbonize by turning flooded surface mines, commonly known as pit lakes, into carbon sinks.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 10 | 5 contacts → | ||||
Exact match “Frontieras via it's parent company owns proprietary patented technology that transforms coal, lignite, oil sands and waste plastics into: clean forms of carbon for…” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 11 | 5 contacts → | ||||
Exact match “Birtley is a Kentucky-based clean coal technology provider with global operations in the US and China.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 12 | 3 contacts → | ||||
Exact match “ESG Clean Energy, LLC (ESG) develops zero-carbon footprints and clean energy solutions for businesses and electric power providers using natural gas, LNG, or biogas.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 13 | 2 contacts → | ||||
Exact match “Clean Coal Technologies Dry Sorbent Injection Improves Coal power plant efficiency, maximizing the coal electricity power plants production capacity, improving combustion…” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 14 | 1 contacts → | ||||
Exact match “Trace Branch Mining, LLC is a provider and producer of high quality thermal coal as well as coal for industrial customers.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 15 | 1 contacts → | ||||
Exact match “Vanquish Carbon® Advisors (“VC”) is focused on limiting global warming to well below 2º, preferably to 1.5º Celsius by permanently removing high-quality US-based commercial…” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 16 | 1 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 15, 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 “clean coal 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 16 of 35 clean coal companies based in the United States
See the full list, filter by size, metro and specialty, and access 181 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Clean coal companies based in the United States at a glance
As of Sep 15, 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 35 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 “clean coal 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 181 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 15, 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 “clean coal companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many clean coal companies are there based in the United States?
RevenueBase identified 35 company matches for clean coal 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?
Wolverine Fuels, LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most clean coal companies?
Houston leads with 2 company records, followed by Arvada (1) and Atlanta (1).
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 181 professional contacts with verified work emails tracked across these 35 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 15, 2026.
Ready to reach these companies? Verified emails and direct dials for all 35 clean coal companies based in the United States. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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- AI companies based in the United States
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Company intelligence · public preview
Top 16 clean coal 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 35 matching company records for clean coal companies based in the United States, with 723 tracked contacts and 181 verified work emails.
This public preview shows 16 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 15, 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 16 clean coal 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 | Wolverine Fuels, LLCwolverinefuels.com HQ: Sandy, UT, United StatesReported employees: 501-1,000 | Sandy, UT, United States | 501-1,000 | Exact match | 67 contacts → |
“Wolverine Fuels, LLC produces high-quality, clean-burning coal that is sold to markets throughout the world.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | ION Clean Energyioncleanenergy.com HQ: Boulder, CO, United StatesReported employees: 11-50 | Boulder, CO, United States | 11-50 | Exact match | 58 contacts → |
“Headquartered in Boulder, Colorado, ION Clean Energy has developed a transformative carbon capture technology that is particularly effective in capturing CO2 emissions from…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  8 Rivers8rivers.comHQ: Durham, United StatesReported employees: 51-200 | Durham, United States | 51-200 | Exact match | 53 contacts → |
“8 Rivers is a clean energy and climate technology company leading the global energy industry towards achieving net zero.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | SHB Power Plant Engineeringshbppe.com HQ: Portland, OR, United StatesReported employees: 11-50 | Portland, OR, United States | 11-50 | Exact match | 36 contacts → |
“Our world is facing many challenges including limited resources, rising costs, economic uncertainty, sustainability, and environmental concerns.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Clean Energy Systems, INCcleanenergysystems.comHQ: Rancho Cordova, CA, United StatesReported employees: 11-50 | Rancho Cordova, CA, United States | 11-50 | Exact match | 29 contacts → |
“Deploying technology that makes 'Power without Pollution' a reality.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Verdoxverdox.com HQ: Woburn, MA, United StatesReported employees: 11-50 | Woburn, MA, United States | 11-50 | Exact match | 23 contacts → |
“Verdox is redefining carbon capture with its patented, fully electric, ultra-low-energy technology.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Clearsign Technologiesclearsign.com HQ: Tulsa, OK, United StatesReported employees: 11-50 | Tulsa, OK, United States | 11-50 | Exact match | 20 contacts → |
“ClearSign Technologies (NASDAQ: CLIR) designs and develops technologies that aim to solve the greatest challenge facing the energy industry today: capital intensive emissions…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Carbon Americacarbonamerica.com HQ: Arvada, CO, United StatesReported employees: 51-200 | Arvada, CO, United States | 51-200 | Exact match | 14 contacts → |
“We’re a passionate, hard-working, and quick-moving group of people that are driven by the mission to save the planet.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Aquarryaquarry.earthHQ: Golden, CO, United StatesReported employees: 1-10 | Golden, CO, United States | 1-10 | Exact match | 6 contacts → |
“Aquarry helps the mining industry decarbonize by turning flooded surface mines, commonly known as pit lakes, into carbon sinks.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Frontieras North Americafrontieras.comHQ: Houston, United StatesReported employees: 11-50 | Houston, United States | 11-50 | Exact match | 5 contacts → |
“Frontieras via it's parent company owns proprietary patented technology that transforms coal, lignite, oil sands and waste plastics into: clean forms of carbon for…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Birtleybirtley.us HQ: Lexington, KY, United StatesReported employees: 51-200 | Lexington, KY, United States | 51-200 | Exact match | 5 contacts → |
“Birtley is a Kentucky-based clean coal technology provider with global operations in the US and China.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | ESG Clean Energyesgcleanenergy.com HQ: West Springfield, MA, United StatesReported employees: 11-50 | West Springfield, MA, United States | 11-50 | Exact match | 3 contacts → |
“ESG Clean Energy, LLC (ESG) develops zero-carbon footprints and clean energy solutions for businesses and electric power providers using natural gas, LNG, or biogas.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Novacon Energy Systems INCnovaconenergysystems.com HQ: Bedford, NY, United StatesReported employees: 1-10 | Bedford, NY, United States | 1-10 | Exact match | 2 contacts → |
“Clean Coal Technologies Dry Sorbent Injection Improves Coal power plant efficiency, maximizing the coal electricity power plants production capacity, improving combustion…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Trace Branch Mining, LLCtracebranchmining.comHQ: London, KY, United StatesReported employees: 1-10 | London, KY, United States | 1-10 | Exact match | 1 contacts → |
“Trace Branch Mining, LLC is a provider and producer of high quality thermal coal as well as coal for industrial customers.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Vanquish Carbon Advisorsvanquishcarbon.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 1 contacts → |
“Vanquish Carbon® Advisors (“VC”) is focused on limiting global warming to well below 2º, preferably to 1.5º Celsius by permanently removing high-quality US-based commercial…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Innosepra Limited Liability Companyinnosepra.com HQ: Bridgewater, NJ, United StatesReported employees: 1-10 | Bridgewater, NJ, United States | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 16 of 35 company matches
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Clean coal companies: dataset insights
September 15, 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
35 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 35 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 15, 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 clean coal 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 clean coal companies did RevenueBase find based in the United States?
The saved snapshot records 35 matching company records, 723 tracked contacts and 181 verified emails. The public preview displays 16 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 15, 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
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Cite this list
RevenueBase Data Team. Top 16 clean coal companies based in the United States. Snapshot: September 15, 2026. https://revenuebase.ai/companies/clean-coal-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
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
- Real estate companies based in the United States
Company intelligence · public preview
Top 16 clean coal companies based in the United States
RevenueBase records 35 matching company records for clean coal companies based in the United States, with 723 tracked contacts and 181 verified work emails.
This public preview shows 16 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 15, 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 16 clean coal 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 | Wolverine Fuels, LLCwolverinefuels.com HQ: Sandy, UT, United StatesReported employees: 501-1,000 | Sandy, UT, United States | 501-1,000 | Exact match | 67 contacts → |
“Wolverine Fuels, LLC produces high-quality, clean-burning coal that is sold to markets throughout the world.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | ION Clean Energyioncleanenergy.com HQ: Boulder, CO, United StatesReported employees: 11-50 | Boulder, CO, United States | 11-50 | Exact match | 58 contacts → |
“Headquartered in Boulder, Colorado, ION Clean Energy has developed a transformative carbon capture technology that is particularly effective in capturing CO2 emissions from…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 8 Rivers8rivers.com HQ: Durham, United StatesReported employees: 51-200 | Durham, United States | 51-200 | Exact match | 53 contacts → |
“8 Rivers is a clean energy and climate technology company leading the global energy industry towards achieving net zero.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | SHB Power Plant Engineeringshbppe.com HQ: Portland, OR, United StatesReported employees: 11-50 | Portland, OR, United States | 11-50 | Exact match | 36 contacts → |
“Our world is facing many challenges including limited resources, rising costs, economic uncertainty, sustainability, and environmental concerns.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Clean Energy Systems, INCcleanenergysystems.com HQ: Rancho Cordova, CA, United StatesReported employees: 11-50 | Rancho Cordova, CA, United States | 11-50 | Exact match | 29 contacts → |
“Deploying technology that makes 'Power without Pollution' a reality.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Verdoxverdox.com HQ: Woburn, MA, United StatesReported employees: 11-50 | Woburn, MA, United States | 11-50 | Exact match | 23 contacts → |
“Verdox is redefining carbon capture with its patented, fully electric, ultra-low-energy technology.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Clearsign Technologiesclearsign.com HQ: Tulsa, OK, United StatesReported employees: 11-50 | Tulsa, OK, United States | 11-50 | Exact match | 20 contacts → |
“ClearSign Technologies (NASDAQ: CLIR) designs and develops technologies that aim to solve the greatest challenge facing the energy industry today: capital intensive emissions…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Carbon Americacarbonamerica.com HQ: Arvada, CO, United StatesReported employees: 51-200 | Arvada, CO, United States | 51-200 | Exact match | 14 contacts → |
“We’re a passionate, hard-working, and quick-moving group of people that are driven by the mission to save the planet.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Aquarryaquarry.earth HQ: Golden, CO, United StatesReported employees: 1-10 | Golden, CO, United States | 1-10 | Exact match | 6 contacts → |
“Aquarry helps the mining industry decarbonize by turning flooded surface mines, commonly known as pit lakes, into carbon sinks.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Frontieras North Americafrontieras.com HQ: Houston, United StatesReported employees: 11-50 | Houston, United States | 11-50 | Exact match | 5 contacts → |
“Frontieras via it's parent company owns proprietary patented technology that transforms coal, lignite, oil sands and waste plastics into: clean forms of carbon for…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Birtleybirtley.us HQ: Lexington, KY, United StatesReported employees: 51-200 | Lexington, KY, United States | 51-200 | Exact match | 5 contacts → |
“Birtley is a Kentucky-based clean coal technology provider with global operations in the US and China.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | ESG Clean Energyesgcleanenergy.com HQ: West Springfield, MA, United StatesReported employees: 11-50 | West Springfield, MA, United States | 11-50 | Exact match | 3 contacts → |
“ESG Clean Energy, LLC (ESG) develops zero-carbon footprints and clean energy solutions for businesses and electric power providers using natural gas, LNG, or biogas.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Novacon Energy Systems INCnovaconenergysystems.com HQ: Bedford, NY, United StatesReported employees: 1-10 | Bedford, NY, United States | 1-10 | Exact match | 2 contacts → |
“Clean Coal Technologies Dry Sorbent Injection Improves Coal power plant efficiency, maximizing the coal electricity power plants production capacity, improving combustion…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Trace Branch Mining, LLCtracebranchmining.com HQ: London, KY, United StatesReported employees: 1-10 | London, KY, United States | 1-10 | Exact match | 1 contacts → |
“Trace Branch Mining, LLC is a provider and producer of high quality thermal coal as well as coal for industrial customers.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Vanquish Carbon Advisorsvanquishcarbon.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 1 contacts → |
“Vanquish Carbon® Advisors (“VC”) is focused on limiting global warming to well below 2º, preferably to 1.5º Celsius by permanently removing high-quality US-based commercial…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Innosepra Limited Liability Companyinnosepra.com HQ: Bridgewater, NJ, United StatesReported employees: 1-10 | Bridgewater, NJ, United States | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 16 of 35 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Clean coal companies: dataset insights
September 15, 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
35 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 35 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 15, 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 clean coal 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 clean coal companies did RevenueBase find based in the United States?
The saved snapshot records 35 matching company records, 723 tracked contacts and 181 verified emails. The public preview displays 16 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 15, 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.
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Cite this list
RevenueBase Data Team. Top 16 clean coal companies based in the United States. Snapshot: September 15, 2026. https://revenuebase.ai/companies/clean-coal-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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