Company lists · Data refreshed September 2026
Top 22 Digester system installers based in the United States
RevenueBase identified 44 company matches for digester system installers associated with the United States as of September 2026 and tracks 556 professional contacts across them, including 246 with verified work emails. Madison is the largest hub.
This list covers company matches for digester system installers 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 22 largest digester system installers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 91 contacts → | ||||
Exact match “Biogas Engineering is an award winning, one of the fastest growing companies in field of Renewable Natural Gas.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 41 contacts → | ||||
Exact match “On a planet with over seven billion people, our mission is to re-imagine reusable resources to create a valuable supply chain of products for farms, food processors and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 34 contacts → | ||||
Exact match “With decades of experience in gas processing, dairies, and digester construction, Northern Biogas is the perfect partner for your RNG project.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 26 contacts → | ||||
Exact match “Perennial Energy is a design and manufacturing company specializing in biogas processing systems and equipment.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 24 contacts → | ||||
Exact match “EFI USA leads the industry in containment and bioenergy technologies designed to maximize operational efficiency, improve environmental impact and boost profitability for…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 24 contacts → | ||||
Exact match “Power Knot LLC is the market leader of onsite food waste digesters.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 23 contacts → | ||||
Exact match “BIOFerm is headquartered in Madison, Wisconsin and provides turnkey anaerobic digestion, gas upgrading and solar power systems across the US and Canada.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 20 contacts → | ||||
Exact match “Tent Engineering is a team of highly experienced, highly specialized engineers and project managers specifically focused on the bio-gas utilization industry.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 19 contacts → | ||||
Exact match “Taurus Biogas is a leading provider of comprehensive management services for biogas facilities.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 15 contacts → | ||||
Exact match “Converting waste to energy.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 13 contacts → | ||||
Exact match “Transforming Waste into Value: With a history in working agriculture in the farming heartland of Indiana, BioTown Biogas collects high-methane farm, organic, and industrial waste…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 13 contacts → | ||||
Exact match “Varec (VApor RECovery Specialty Company) began business in 1928 at its manufacturing plant in Compton, California.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 11 contacts → | ||||
Exact match “Sevana Bioenergy develops, designs, owns and operates large-scale anaerobic digestion projects which produce renewable natural gas and organic based soil amendments.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 9 contacts → | ||||
Exact match “Bioenergy Devco is a global leader in designing, engineering, constructing, financing, and operating advanced anaerobic digestion facilities.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 9 contacts → | ||||
Exact match “Stircor addresses the need for operators of wastewater treatment facilities to find an economically viable solution for the disposal of biosolids that is safe from regulatory…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 6 contacts → | ||||
Exact match “Real Environmental Products, LLC (REP) emerged from the landfill & BioGas industries, dedicated to crafting high-quality products.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 6 contacts → | ||||
Exact match “SKS Development is a leading provider of renewable energy solutions that turn organic waste into biogas.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 6 contacts → | ||||
Exact match “Drylet solves biological waste management challenges and improves people’s lives.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match “BioWorks Energy is a full-service wastewater engineering and operations group specializing in the use anaerobic digestion for the purposes of power production.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 2 contacts → | ||||
Exact match “Clean Fuel Partners provides clients a variety of support services for new and existing anaerobic digestion facilities and ag waste management service providers.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 1 contacts → | ||||
Exact match “Safeguard your employees, property, and profit with Groth Biogas products.” 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 “digester system installers”. 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 22 of 44 digester system installers based in the United States
See the full list, filter by size, metro and specialty, and access 246 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Digester system installers 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 44 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 “digester system installers” 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 246 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 “digester system installers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many digester system installers are there based in the United States?
RevenueBase identified 44 company matches for digester system installers 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?
Biogas Engineering tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most digester system installers?
Madison leads with 2 company records, followed by Sisters (2) and Annapolis (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 246 professional contacts with verified work emails tracked across these 44 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 44 digester system installers based in the United States. Start with a free account, no credit card.
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Digester system installers by geography
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
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- New lists
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Company intelligence · public preview
Top 22 digester system installers 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 44 matching company records for digester system installers based in the United States, with 556 tracked contacts and 246 verified work emails.
This public preview shows 22 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 22 digester system installers 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 |  Biogas Engineeringbiogaseng.comHQ: Long Beach, CA, United StatesReported employees: 51-200 | Long Beach, CA, United States | 51-200 | Exact match | 91 contacts → |
“Biogas Engineering is an award winning, one of the fastest growing companies in field of Renewable Natural Gas.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Regenisregenis.netHQ: Lynden, WA, United StatesReported employees: 51-200 | Lynden, WA, United States | 51-200 | Exact match | 41 contacts → |
“On a planet with over seven billion people, our mission is to re-imagine reusable resources to create a valuable supply chain of products for farms, food processors and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Northern Biogasnorthernbiogas.comHQ: Morgantown, WV, United StatesReported employees: 11-50 | Morgantown, WV, United States | 11-50 | Exact match | 34 contacts → |
“With decades of experience in gas processing, dairies, and digester construction, Northern Biogas is the perfect partner for your RNG project.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Perennial Energy, LLCperennialenergy.comHQ: West Plains, MO, United StatesReported employees: 11-50 | West Plains, MO, United States | 11-50 | Exact match | 26 contacts → |
“Perennial Energy is a design and manufacturing company specializing in biogas processing systems and equipment.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  EFI USAefiusa.comHQ: Gaston, SC, United StatesReported employees: 51-200 | Gaston, SC, United States | 51-200 | Exact match | 24 contacts → |
“EFI USA leads the industry in containment and bioenergy technologies designed to maximize operational efficiency, improve environmental impact and boost profitability for…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Power Knot LLCpowerknot.comHQ: Fremont, CA, United StatesReported employees: 11-50 | Fremont, CA, United States | 11-50 | Exact match | 24 contacts → |
“Power Knot LLC is the market leader of onsite food waste digesters.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Biofermbiofermenergy.com HQ: Madison, WI, United StatesReported employees: 11-50 | Madison, WI, United States | 11-50 | Exact match | 23 contacts → |
“BIOFerm is headquartered in Madison, Wisconsin and provides turnkey anaerobic digestion, gas upgrading and solar power systems across the US and Canada.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Tent Engineeringtentengr.comHQ: Bend, OR, United StatesReported employees: 1-10 | Bend, OR, United States | 1-10 | Exact match | 20 contacts → |
“Tent Engineering is a team of highly experienced, highly specialized engineers and project managers specifically focused on the bio-gas utilization industry.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Taurus Biogastaurusbiogas.com HQ: Portland, OR, United StatesReported employees: 11-50 | Portland, OR, United States | 11-50 | Exact match | 19 contacts → |
“Taurus Biogas is a leading provider of comprehensive management services for biogas facilities.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Host Bio-Energy Systems North Americahost-bioenergy.comHQ: Vancouver, WA, United StatesReported employees: 11-50 | Vancouver, WA, United States | 11-50 | Exact match | 15 contacts → |
“Converting waste to energy.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Biotown Biogasbiotownbiogas.com HQ: Reynolds, IN, United StatesReported employees: 11-50 | Reynolds, IN, United States | 11-50 | Exact match | 13 contacts → |
“Transforming Waste into Value: With a history in working agriculture in the farming heartland of Indiana, BioTown Biogas collects high-methane farm, organic, and industrial waste…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Ovivo Varec Biogasvarec-biogas.com HQ: Huntington Beach, CA, United StatesReported employees: 51-200 | Huntington Beach, CA, United States | 51-200 | Exact match | 13 contacts → |
“Varec (VApor RECovery Specialty Company) began business in 1928 at its manufacturing plant in Compton, California.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Sevana Bioenergy LLCsevanabioenergy.com HQ: Boise, ID, United StatesReported employees: 11-50 | Boise, ID, United States | 11-50 | Exact match | 11 contacts → |
“Sevana Bioenergy develops, designs, owns and operates large-scale anaerobic digestion projects which produce renewable natural gas and organic based soil amendments.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Bioenergy Devcobioenergydevco.com HQ: Annapolis, MD, United StatesReported employees: 51-200 | Annapolis, MD, United States | 51-200 | Exact match | 9 contacts → |
“Bioenergy Devco is a global leader in designing, engineering, constructing, financing, and operating advanced anaerobic digestion facilities.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Stircorstircor.com HQ: Nashville, TN, United StatesReported employees: 11-50 | Nashville, TN, United States | 11-50 | Exact match | 9 contacts → |
“Stircor addresses the need for operators of wastewater treatment facilities to find an economically viable solution for the disposal of biosolids that is safe from regulatory…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Real Environmental Products, LLCrealenvprod.com HQ: Jackson, CA, United StatesReported employees: 11-50 | Jackson, CA, United States | 11-50 | Exact match | 6 contacts → |
“Real Environmental Products, LLC (REP) emerged from the landfill & BioGas industries, dedicated to crafting high-quality products.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | SKS Developmentsksgreen.com HQ: Scottsdale, AZ, United StatesReported employees: 11-50 | Scottsdale, AZ, United States | 11-50 | Exact match | 6 contacts → |
“SKS Development is a leading provider of renewable energy solutions that turn organic waste into biogas.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Drylet, INCdrylet.com HQ: Ellsworth, IA, United StatesReported employees: 1-10 | Ellsworth, IA, United States | 1-10 | Exact match | 6 contacts → |
“Drylet solves biological waste management challenges and improves people’s lives.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Bioworks Energybioworksenergy.com HQ: Flint, MI, United StatesReported employees: 11-50 | Flint, MI, United States | 11-50 | Exact match | 5 contacts → |
“BioWorks Energy is a full-service wastewater engineering and operations group specializing in the use anaerobic digestion for the purposes of power production.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Doda USAdodausa.com HQ: St James, MN, United StatesReported employees: 1-10 | St James, MN, United States | 1-10 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Clean Fuel Partners, LLCcleanfuelpartners.com HQ: Dane, WI, United StatesReported employees: 1-10 | Dane, WI, United States | 1-10 | Exact match | 2 contacts → |
“Clean Fuel Partners provides clients a variety of support services for new and existing anaerobic digestion facilities and ag waste management service providers.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Groth Biogasgrothbiogas.com HQ: Saukville, WI, United StatesReported employees: 1-10 | Saukville, WI, United States | 1-10 | Exact match | 1 contacts → |
“Safeguard your employees, property, and profit with Groth Biogas products.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 22 of 44 company matches
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Digester system installers: 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
43 records in the displayed employee bands.
1 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 44 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 digester system installers?
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 digester system installers did RevenueBase find based in the United States?
The saved snapshot records 44 matching company records, 556 tracked contacts and 246 verified emails. The public preview displays 22 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
Digester system installers by geography
Cite this list
RevenueBase Data Team. Top 22 digester system installers based in the United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/digester-system-installers/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
- Digester system installers based in France
- Digester system installers based in Germany
- Digester system installers based in India
- Digester system installers based in Italy
- Digester system installers based in the United Kingdom
- AI companies based in the United States
Company intelligence · public preview
Top 22 digester system installers based in the United States
RevenueBase records 44 matching company records for digester system installers based in the United States, with 556 tracked contacts and 246 verified work emails.
This public preview shows 22 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 22 digester system installers 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 | Biogas Engineeringbiogaseng.com HQ: Long Beach, CA, United StatesReported employees: 51-200 | Long Beach, CA, United States | 51-200 | Exact match | 91 contacts → |
“Biogas Engineering is an award winning, one of the fastest growing companies in field of Renewable Natural Gas.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Regenisregenis.net HQ: Lynden, WA, United StatesReported employees: 51-200 | Lynden, WA, United States | 51-200 | Exact match | 41 contacts → |
“On a planet with over seven billion people, our mission is to re-imagine reusable resources to create a valuable supply chain of products for farms, food processors and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Northern Biogasnorthernbiogas.com HQ: Morgantown, WV, United StatesReported employees: 11-50 | Morgantown, WV, United States | 11-50 | Exact match | 34 contacts → |
“With decades of experience in gas processing, dairies, and digester construction, Northern Biogas is the perfect partner for your RNG project.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Perennial Energy, LLCperennialenergy.com HQ: West Plains, MO, United StatesReported employees: 11-50 | West Plains, MO, United States | 11-50 | Exact match | 26 contacts → |
“Perennial Energy is a design and manufacturing company specializing in biogas processing systems and equipment.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | EFI USAefiusa.com HQ: Gaston, SC, United StatesReported employees: 51-200 | Gaston, SC, United States | 51-200 | Exact match | 24 contacts → |
“EFI USA leads the industry in containment and bioenergy technologies designed to maximize operational efficiency, improve environmental impact and boost profitability for…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Power Knot LLCpowerknot.com HQ: Fremont, CA, United StatesReported employees: 11-50 | Fremont, CA, United States | 11-50 | Exact match | 24 contacts → |
“Power Knot LLC is the market leader of onsite food waste digesters.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Biofermbiofermenergy.com HQ: Madison, WI, United StatesReported employees: 11-50 | Madison, WI, United States | 11-50 | Exact match | 23 contacts → |
“BIOFerm is headquartered in Madison, Wisconsin and provides turnkey anaerobic digestion, gas upgrading and solar power systems across the US and Canada.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Tent Engineeringtentengr.com HQ: Bend, OR, United StatesReported employees: 1-10 | Bend, OR, United States | 1-10 | Exact match | 20 contacts → |
“Tent Engineering is a team of highly experienced, highly specialized engineers and project managers specifically focused on the bio-gas utilization industry.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Taurus Biogastaurusbiogas.com HQ: Portland, OR, United StatesReported employees: 11-50 | Portland, OR, United States | 11-50 | Exact match | 19 contacts → |
“Taurus Biogas is a leading provider of comprehensive management services for biogas facilities.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Host Bio-Energy Systems North Americahost-bioenergy.com HQ: Vancouver, WA, United StatesReported employees: 11-50 | Vancouver, WA, United States | 11-50 | Exact match | 15 contacts → |
“Converting waste to energy.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Biotown Biogasbiotownbiogas.com HQ: Reynolds, IN, United StatesReported employees: 11-50 | Reynolds, IN, United States | 11-50 | Exact match | 13 contacts → |
“Transforming Waste into Value: With a history in working agriculture in the farming heartland of Indiana, BioTown Biogas collects high-methane farm, organic, and industrial waste…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Ovivo Varec Biogasvarec-biogas.com HQ: Huntington Beach, CA, United StatesReported employees: 51-200 | Huntington Beach, CA, United States | 51-200 | Exact match | 13 contacts → |
“Varec (VApor RECovery Specialty Company) began business in 1928 at its manufacturing plant in Compton, California.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Sevana Bioenergy LLCsevanabioenergy.com HQ: Boise, ID, United StatesReported employees: 11-50 | Boise, ID, United States | 11-50 | Exact match | 11 contacts → |
“Sevana Bioenergy develops, designs, owns and operates large-scale anaerobic digestion projects which produce renewable natural gas and organic based soil amendments.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Bioenergy Devcobioenergydevco.com HQ: Annapolis, MD, United StatesReported employees: 51-200 | Annapolis, MD, United States | 51-200 | Exact match | 9 contacts → |
“Bioenergy Devco is a global leader in designing, engineering, constructing, financing, and operating advanced anaerobic digestion facilities.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Stircorstircor.com HQ: Nashville, TN, United StatesReported employees: 11-50 | Nashville, TN, United States | 11-50 | Exact match | 9 contacts → |
“Stircor addresses the need for operators of wastewater treatment facilities to find an economically viable solution for the disposal of biosolids that is safe from regulatory…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Real Environmental Products, LLCrealenvprod.com HQ: Jackson, CA, United StatesReported employees: 11-50 | Jackson, CA, United States | 11-50 | Exact match | 6 contacts → |
“Real Environmental Products, LLC (REP) emerged from the landfill & BioGas industries, dedicated to crafting high-quality products.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | SKS Developmentsksgreen.com HQ: Scottsdale, AZ, United StatesReported employees: 11-50 | Scottsdale, AZ, United States | 11-50 | Exact match | 6 contacts → |
“SKS Development is a leading provider of renewable energy solutions that turn organic waste into biogas.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Drylet, INCdrylet.com HQ: Ellsworth, IA, United StatesReported employees: 1-10 | Ellsworth, IA, United States | 1-10 | Exact match | 6 contacts → |
“Drylet solves biological waste management challenges and improves people’s lives.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Bioworks Energybioworksenergy.com HQ: Flint, MI, United StatesReported employees: 11-50 | Flint, MI, United States | 11-50 | Exact match | 5 contacts → |
“BioWorks Energy is a full-service wastewater engineering and operations group specializing in the use anaerobic digestion for the purposes of power production.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Doda USAdodausa.com HQ: St James, MN, United StatesReported employees: 1-10 | St James, MN, United States | 1-10 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Clean Fuel Partners, LLCcleanfuelpartners.com HQ: Dane, WI, United StatesReported employees: 1-10 | Dane, WI, United States | 1-10 | Exact match | 2 contacts → |
“Clean Fuel Partners provides clients a variety of support services for new and existing anaerobic digestion facilities and ag waste management service providers.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Groth Biogasgrothbiogas.com HQ: Saukville, WI, United StatesReported employees: 1-10 | Saukville, WI, United States | 1-10 | Exact match | 1 contacts → |
“Safeguard your employees, property, and profit with Groth Biogas products.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 22 of 44 company matches
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Digester system installers: 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
43 records in the displayed employee bands.
1 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 44 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 digester system installers?
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 digester system installers did RevenueBase find based in the United States?
The saved snapshot records 44 matching company records, 556 tracked contacts and 246 verified emails. The public preview displays 22 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
Digester system installers by geography
Cite this list
RevenueBase Data Team. Top 22 digester system installers based in the United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/digester-system-installers/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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