Company lists · Data refreshed October 2026

Top 25 Biomethane upgrading equipment manufacturers based in the United States

RevenueBase identified 79 company matches for biomethane upgrading equipment manufacturers associated with the United States as of October 2026 and tracks 3,904 professional contacts across them, including 1,726 with verified work emails. Houston is the largest hub.

This list covers company matches for biomethane upgrading equipment manufacturers 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 October 8, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 8, 2026 How this list was built
79Companies
3,904Contacts tracked
1,726Verified emails
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The 25 largest biomethane upgrading equipment manufacturers based in the United States

Ranked by team size
Top 25 of 79 company matches for biomethane upgrading equipment manufacturers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 8, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBall Ground, GA, United StatesHQ recorded Oct 8, 202610001+2,119 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
2Exact matchMiddlesex, NJ, United StatesHQ recorded Oct 8, 2026501-1,000484 contacts →

Exact match

“Galileo Technologies is a leading company in the engineering and manufacturing of high-value-added energy solutions.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
3Exact matchLong Beach, CA, United StatesHQ recorded Oct 8, 202651-20099 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 · Oct 8, 2026 · View company records in RevenueBase
4Exact matchCharleston, WV, United StatesHQ recorded Oct 8, 202651-20092 contacts →

Exact match

“Nacelle is a gas conditioning and processing company serving two distinct markets: biogas and oil and gas.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
5Exact matchLakewood, CO, United StatesHQ recorded Oct 8, 202611-5075 contacts →

Exact match

“Pioneer Energy is an energy industry service provider and original equipment manufacturer serving clients worldwide.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
6Exact matchDublin, OH, United StatesHQ recorded Oct 8, 202651-20073 contacts →

Exact match

“Guild Associates has the following business areas: • Biogas Processing Equipment • BSR-050 Hydrogen Sulfide Removal Media • Containerized Military Equipment • Chemical Warfare…”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
7Exact matchDubuque, IA, United StatesHQ recorded Oct 8, 202651-20051 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
8Exact matchTulsa, OK, United StatesHQ recorded Oct 8, 202611-5043 contacts →

Exact match

“ZEVAC® (formerly TPE Midstream) is a product and technology provider, and the OEM of the patented Zero Emission Vacuum and Compressor (ZEVAC) portable equipment line, which is…”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
9Exact matchDavis, CA, United StatesHQ recorded Oct 8, 2026n/a34 contacts →

Exact match

“Founded in 2004, Sierra Energy is a waste gasification and renewable energy company located in Davis, California.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
10Exact matchTulsa, OK, United StatesHQ recorded Oct 8, 202651-20032 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
11Exact matchHouston, TX, United StatesHQ recorded Oct 8, 202611-5031 contacts →

Exact match

“UGS Unconventional Gas Solutions, designs and builds Gas treatment systems including Biogas upgrading, Compression, Acid Gas Removal, Dehydration, BTU Reduction, Heavy Hydrocarbon…”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
12Exact matchDayton, OH, United StatesHQ recorded Oct 8, 202611-5029 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
13Exact matchWest Plains, MO, United StatesHQ recorded Oct 8, 202611-5028 contacts →

Exact match

“Perennial Energy is a design and manufacturing company specializing in biogas processing systems and equipment.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
14Exact matchDenver, CO, United StatesHQ recorded Oct 8, 202611-5028 contacts →

Exact match

“EcoVapor, a DNOW company, offers a suite of technology-based solutions for improving the sustainability of gas-powered energy systems by converting waste streams into revenue…”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
15Exact matchMurrieta, CA, United StatesHQ recorded Oct 8, 202611-5026 contacts →

Exact match

“Headquartered in Murrieta, California, SRS Engineering Corporation is a ISO9001:2008 certified premier industrial equipment manufacturer offering a wide range of quality products…”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
16Exact matchColton, CA, United StatesHQ recorded Oct 8, 202651-20025 contacts →

Exact match

“ECOTEC specializes in the design and development of customized equipment and technology solutions for gas collection, transmission, and treatment systems.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
17Exact matchOklahoma City, OK, United StatesHQ recorded Oct 8, 202651-20021 contacts →

Exact match

“QB Johnson Manufacturing designs and fabricates custom gas conditioning and natural gas processing equipment for production, midstream, and processing applications.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
18Exact matchRedding, CA, United StatesHQ recorded Oct 8, 202651-20021 contacts →

Exact match

“Over 2.1 million MMBTU of biogas in America runs on equipment built by EI.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
19Exact matchDallas, TX, United StatesHQ recorded Oct 8, 202611-5020 contacts →

Exact match

“Pro-Gas Services, LLC was formed by a group of professionals with a combined 90-plus years of experience in the oil and gas industry.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
20Exact matchBend, OR, United StatesHQ recorded Oct 8, 20261-1019 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 · Oct 8, 2026 · View company records in RevenueBase
21Exact matchPortland, OR, United StatesHQ recorded Oct 8, 202611-5019 contacts →

Exact match

“Taurus Biogas is a leading provider of comprehensive management services for biogas facilities.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
22Exact matchVancouver, WA, United StatesHQ recorded Oct 8, 202611-5016 contacts →

Exact match

“Converting waste to energy.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
23Exact matchThree Rivers, MI, United StatesHQ recorded Oct 8, 202611-5015 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
24Exact matchHouston, TX, United StatesHQ recorded Oct 8, 202611-5014 contacts →

Exact match

“Introducing MaCH₄™ NGL Recovery Solution (NRS).”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
25Exact matchTualatin, OR, United StatesHQ recorded Oct 8, 202611-5014 contacts →

Exact match

“DMT Clear Gas Solutions is an award-winning technology supplier specializing in biogas upgrading LCO liquefaction and gas desulfurization for RNG projects in North America and…”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase

Showing 25 of 79 biomethane upgrading equipment manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 1,726 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Biomethane upgrading equipment manufacturers based in the United States at a glance

As of Oct 8, 2026
44.2%Verified-email coverage
49.4Average contacts per company
11-50Median size (employees)
5.1%Largest-city concentration · Houston
Oct 8, 2026Page data refreshed

Companies by employee count

1-10
23
11-50
33
51-200
19
201-500
1
501-1,000
1
10001+
1

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 79 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 “biomethane upgrading equipment manufacturers” 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 1,726 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 October 8, 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 “biomethane upgrading equipment manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many biomethane upgrading equipment manufacturers are there based in the United States?

RevenueBase identified 79 company matches for biomethane upgrading equipment manufacturers associated with the United States as of October 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?

Chart Industries, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most biomethane upgrading equipment manufacturers?

Houston leads with 4 company records, followed by Hockley (2) and Middlesex (2).

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 1,726 professional contacts with verified work emails tracked across these 79 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 October 8, 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 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.