Company lists · Data refreshed September 2026
Top 25 Anaerobic digestion equipment manufacturers based in the United States
RevenueBase identified 105 anaerobic digestion equipment manufacturers headquartered in the United States as of September 2026 and tracks 1,312 professional contacts across them, including 655 with verified work emails. Boise is the largest hub.
This list covers anaerobic digestion equipment manufacturers headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 16, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest anaerobic digestion equipment manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 234 contacts → | ||||
Indirect evidence “Vanguard Renewables is a national leader in food and beverage waste recycling and organic waste-to-renewable energy solutions.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 96 contacts → | ||||
Indirect evidence “Nacelle is a gas conditioning and processing company serving two distinct markets: biogas and oil and gas.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 91 contacts → | ||||
Indirect evidence “Biogas Engineering is an award winning, one of the fastest growing companies in field of Renewable Natural Gas.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 58 contacts → | ||||
Indirect evidence “BCR Environmental Corporation is a U.S.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 47 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 41 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 36 contacts → | ||||
Indirect evidence “Founded in 2004, Sierra Energy is a waste gasification and renewable energy company located in Davis, California.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 33 contacts → | ||||
Partial evidence “Drawing from a proud history of almost 60 years, Sagebrush has unparalleled experience which allows us to bring unique expertise to all facets of the custom fabrication equipment…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 29 contacts → | ||||
Indirect evidence “Ductor Corporation is a Finnish cleantech company that recovers both energy and nutrients from organic waste streams, giving biogas operators a portfolio of proprietary, patented…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 26 contacts → | ||||
Partial evidence “Perennial Energy is a design and manufacturing company specializing in biogas processing systems and equipment.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 24 contacts → | ||||
Indirect evidence “EFI USA leads the industry in containment and bioenergy technologies designed to maximize operational efficiency, improve environmental impact and boost profitability for…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 24 contacts → | ||||
Indirect evidence “Power Knot LLC is the market leader of onsite food waste digesters.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 23 contacts → | ||||
Strong evidence “BIOFerm is headquartered in Madison, Wisconsin and provides turnkey anaerobic digestion, gas upgrading and solar power systems across the US and Canada.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 22 contacts → | ||||
Partial evidence “Over 2.1 million MMBTU of biogas in America runs on equipment built by EI.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 20 contacts → | ||||
Indirect evidence “Tent Engineering is a team of highly experienced, highly specialized engineers and project managers specifically focused on the bio-gas utilization industry.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 20 contacts → | ||||
Partial evidence “ANCO KNOWS RENDERING Founded in 1902, ANCO has continued to innovate and hone our expertise in the manufacturing of quality rendering equipment for over a century.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 19 contacts → | ||||
Indirect evidence “Taurus Biogas is a leading provider of comprehensive management services for biogas facilities.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 18 contacts → | ||||
Strong evidence “Synthica Energy is a renewable natural gas (RNG) development company focused on the creation of anaerobic digestion facilities across the United States.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 15 contacts → | ||||
Indirect evidence “3 Rivers Energy Partners specializes in producing renewable natural gas (RNG) and fertilizer from organic waste streams, offering expert management of all project aspects and a…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 15 contacts → | ||||
Indirect evidence “Converting waste to energy.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 14 contacts → | ||||
Indirect evidence “We design and build proprietary direct-gas bioreactors, to convert gases (like methane and CO2) to value at low CapEx and OpEx.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 13 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 13 contacts → | ||||
Indirect evidence “Varec (VApor RECovery Specialty Company) began business in 1928 at its manufacturing plant in Compton, California.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 11 contacts → | ||||
Strong evidence “Sevana Bioenergy develops, designs, owns and operates large-scale anaerobic digestion projects which produce renewable natural gas and organic based soil amendments.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 11 contacts → | ||||
Indirect evidence “Clean Methane Systems advances solutions at the waste and energy nexus, developing innovative approaches that transform challenges into profitable renewable energy opportunities.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: anaerobic digestion equipment manufacturers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names anaerobic digestion equipment manufacturers.
- Partial evidence
- Its own public description names part of anaerobic digestion equipment manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name anaerobic digestion equipment manufacturers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 105 anaerobic digestion equipment manufacturers based in the United States
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Anaerobic digestion equipment manufacturers based in the United States at a glance
As of Sep 16, 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 105 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among anaerobic digestion equipment manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “anaerobic digestion equipment manufacturers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names anaerobic digestion equipment manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among anaerobic digestion equipment manufacturers, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 655 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 16, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names anaerobic digestion equipment manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many anaerobic digestion equipment manufacturers are there based in the United States?
RevenueBase identified 105 anaerobic digestion equipment manufacturers headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Vanguard Renewables, headquartered in Weston, tops this list with the largest team on record.
Which city has the most anaerobic digestion equipment manufacturers?
Boise leads with 3 headquartered companies, followed by New York (3) and Enosburg Falls (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 655 verified decision-maker contacts tracked across these 105 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 2026.
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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 Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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