Company lists · Data refreshed November 2026
Top 24 Hydrogen consultancies based in the United States
RevenueBase identified 223 company matches for hydrogen consultancies associated with the United States as of November 2026 and tracks 2,296 professional contacts across them, including 958 with verified work emails. Houston is the largest hub.
This list covers company matches for hydrogen consultancies 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 November 5, 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 24 largest hydrogen consultancies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 245 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 161 contacts → | ||||
Exact match “Serving critical infrastructure markets, RIX Industries is a global leader in the design, development, and manufacturing of hydrogen and gas generation systems, precision high…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 133 contacts → | ||||
Exact match “M&A is a water resource consulting firm that partners with clients to address their evolving water resource challenges.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 117 contacts → | ||||
Exact match “Ryder Scott Company, L.P.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 108 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 87 contacts → | ||||
Exact match “Fueling and Service Technologies, Inc.(FASTECH) is an end-to-end energy solutions company.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 56 contacts → | ||||
Exact match “Petroleum Engineering & Energy Advisors - With the Lonquist team, you have access to some of the most experienced and skilled professionals in the business.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 50 contacts → | ||||
Exact match “About Us Since 1995 HSI has continually improved the approach to assessing the life of catalyst tubes and other reformer furnace components.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 49 contacts → | ||||
Exact match “EXCEL has evolved over the last four decades to meet the needs of the nuclear energy industry.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 43 contacts → | ||||
Exact match “Clear Creek Associates, a hydrogeological consulting company, was started in September to provide a very high level of expertise in groundwater science.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 35 contacts → | ||||
Exact match “Steelhead Composites is a world-class advanced manufacturing company, based in Golden, Colorado (USA).” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 28 contacts → | ||||
Exact match “Power+Energy supplies Hydrogen Purity Analyzers and Hydrogen Separators and is developing high- efficiency, low cost Hydrogen Generators for fuel cell applications.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 27 contacts → | ||||
Exact match “Krishnan & Associates (K&A) is a full service power and energy industry consulting firm providing specialized marketing, market analytics, mergers & acquisitions and recruitment…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 24 contacts → | ||||
Exact match “INNOVATIVE TECHNOLOGY PARTNERSHIPS LLC (ITP) conducts consulting for High Reliability Organizations (HROs) in the nuclear community.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 22 contacts → | ||||
Exact match “Hyperion Companies was founded in 2011 with the goal of bringing a new wave of clean energy to the market in the form of hydrogen.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 21 contacts → | ||||
Exact match “GTL is a high-technology company specializing in providing strategic technology breakthroughs and game-changing products to the Hydrogen Economy and the Transportation, Aviation…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 20 contacts → | ||||
Exact match “We provide on-board liquid hydrogen energy storage and fuel cell power system integration services to unmanned aerial vehicle (UAV) manufacturers.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 18 contacts → | ||||
Exact match “We manufacture and distribute high-pressure, gaseous hydrogen to lower costs, complexity, and carbon.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 17 contacts → | ||||
Exact match “Downstream Advisors is a professional consulting firm specialized in the technical, commercial and financial aspects of the downstream petroleum industries – refining, marketing…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 16 contacts → | ||||
Exact match “H2C is committed to accelerating the hydrogen economy by providing a breakthrough in the transportation and infrastructure required to bring green hydrogen to market now at a…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 14 contacts → | ||||
Exact match “FPoliSolutions specializes in the execution of complex analytical projects for industry segments that demands absolute reliability and safety.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 14 contacts → | ||||
Exact match “Itasca Denver, Inc.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 14 contacts → | ||||
Exact match “High pressure gas transports (composite cylinder based) leasing.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 13 contacts → | ||||
Exact match “Pearson Adair & Co, is an energy consulting practice founded on decades of industry experience.” Recorded in the RevenueBase company graph · Nov 5, 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 “hydrogen consultancies”. 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 24 of 223 hydrogen consultancies based in the United States
See the full list, filter by size, metro and specialty, and access 958 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Hydrogen consultancies based in the United States at a glance
As of Nov 5, 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 223 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 “hydrogen consultancies” 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 958 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 November 5, 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 “hydrogen consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many hydrogen consultancies are there based in the United States?
RevenueBase identified 223 company matches for hydrogen consultancies associated with the United States as of November 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?
Hyaxiom, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most hydrogen consultancies?
Houston leads with 24 company records, followed by New York (11) and Los Angeles (6).
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 958 professional contacts with verified work emails tracked across these 223 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 November 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 223 hydrogen consultancies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Hydrogen consultancies by geography
- Hydrogen consultancies based in London, United Kingdom
- Hydrogen consultancies based in Australia
- Hydrogen consultancies based in Belgium
- Hydrogen consultancies based in Brazil
- Hydrogen consultancies based in Canada
- Hydrogen consultancies based in Chile
- Hydrogen consultancies based in France
- Hydrogen consultancies based in Germany
- Hydrogen consultancies based in India
- Hydrogen consultancies based in Italy
- Hydrogen consultancies based in the Netherlands
- Hydrogen consultancies based in Norway
Browse the directory
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
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- Lists A-Z
- New lists
- Hydrogen consultancies based in London, United Kingdom
- Hydrogen consultancies based in Australia
- Hydrogen consultancies based in Belgium
- Hydrogen consultancies based in Brazil
- Hydrogen consultancies based in Canada
- Hydrogen consultancies based in Chile
Company intelligence · public preview
Top 24 hydrogen consultancies 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 223 matching company records for hydrogen consultancies based in the United States, with 2,296 tracked contacts and 958 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 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 24 hydrogen consultancies 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 |  Hyaxiom, INChyaxiom.comHQ: South Windsor, CT, United StatesReported employees: 201-500 | South Windsor, CT, United States | 201-500 | Exact match | 245 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 2 |  RIX Industriesrixindustries.comHQ: Benicia, NV, United StatesReported employees: 51-200 | Benicia, NV, United States | 51-200 | Exact match | 161 contacts → |
“Serving critical infrastructure markets, RIX Industries is a global leader in the design, development, and manufacturing of hydrogen and gas generation systems, precision high…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Montgomery & Associateselmontgomery.comHQ: Tucson, CA, United StatesReported employees: 51-200 | Tucson, CA, United States | 51-200 | Exact match | 133 contacts → |
“M&A is a water resource consulting firm that partners with clients to address their evolving water resource challenges.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Ryder Scott Co. L.Pryderscott.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 117 contacts → |
“Ryder Scott Company, L.P.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Oneh2, INConeh2.comHQ: Longview, NC, United StatesReported employees: 51-200 | Longview, NC, United States | 51-200 | Exact match | 108 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 |  Fastechfastechus.comHQ: Buena Park, CA, United StatesReported employees: 51-200 | Buena Park, CA, United States | 51-200 | Exact match | 87 contacts → |
“Fueling and Service Technologies, Inc.(FASTECH) is an end-to-end energy solutions company.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Lonquist & Co., LLClonquist.comHQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 56 contacts → |
“Petroleum Engineering & Energy Advisors - With the Lonquist team, you have access to some of the most experienced and skilled professionals in the business.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  HSI Group INChsigroupinc.comHQ: Torrance, CA, United StatesReported employees: 51-200 | Torrance, CA, United States | 51-200 | Exact match | 50 contacts → |
“About Us Since 1995 HSI has continually improved the approach to assessing the life of catalyst tubes and other reformer furnace components.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Excel Services Corporationexcelservices.comHQ: Rockville, MD, United StatesReported employees: 51-200 | Rockville, MD, United States | 51-200 | Exact match | 49 contacts → |
“EXCEL has evolved over the last four decades to meet the needs of the nuclear energy industry.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Clear Creek Associatesclearcreekassociates.comHQ: Scottsdale, AZ, United StatesReported employees: 11-50 | Scottsdale, AZ, United States | 11-50 | Exact match | 43 contacts → |
“Clear Creek Associates, a hydrogeological consulting company, was started in September to provide a very high level of expertise in groundwater science.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Steelhead Compositessteelheadcomposites.comHQ: Golden, United StatesReported employees: 51-200 | Golden, United States | 51-200 | Exact match | 35 contacts → |
“Steelhead Composites is a world-class advanced manufacturing company, based in Golden, Colorado (USA).” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Power & Energy, INCpowerandenergy.comHQ: Ivyland, PA, United StatesReported employees: 11-50 | Ivyland, PA, United States | 11-50 | Exact match | 28 contacts → |
“Power+Energy supplies Hydrogen Purity Analyzers and Hydrogen Separators and is developing high- efficiency, low cost Hydrogen Generators for fuel cell applications.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Krishnan & Associates, INCkrishnaninc.comHQ: Stamford, OH, United StatesReported employees: 11-50 | Stamford, OH, United States | 11-50 | Exact match | 27 contacts → |
“Krishnan & Associates (K&A) is a full service power and energy industry consulting firm providing specialized marketing, market analytics, mergers & acquisitions and recruitment…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Albuquerque, NM, United StatesReported employees: 51-200 | Albuquerque, NM, United States | 51-200 | Exact match | 24 contacts → |
“INNOVATIVE TECHNOLOGY PARTNERSHIPS LLC (ITP) conducts consulting for High Reliability Organizations (HROs) in the nuclear community.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Hyperion Companies, INChyperion.incHQ: Orange, CA, United StatesReported employees: 51-200 | Orange, CA, United States | 51-200 | Exact match | 22 contacts → |
“Hyperion Companies was founded in 2011 with the goal of bringing a new wave of clean energy to the market in the form of hydrogen.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Gloyer-Taylor Laboratories, INCgtlcompany.comHQ: Tullahoma, TN, United StatesReported employees: 11-50 | Tullahoma, TN, United States | 11-50 | Exact match | 21 contacts → |
“GTL is a high-technology company specializing in providing strategic technology breakthroughs and game-changing products to the Hydrogen Economy and the Transportation, Aviation…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Neoex Systems, INCneoexsystemsinc.comHQ: Amherst, OH, United StatesReported employees: 11-50 | Amherst, OH, United States | 11-50 | Exact match | 20 contacts → |
“We provide on-board liquid hydrogen energy storage and fuel cell power system integration services to unmanned aerial vehicle (UAV) manufacturers.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Independence Hydrogenih2.usHQ: Ashburn, VA, United StatesReported employees: 11-50 | Ashburn, VA, United States | 11-50 | Exact match | 18 contacts → |
“We manufacture and distribute high-pressure, gaseous hydrogen to lower costs, complexity, and carbon.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Downstream Advisors INCdownstreamadvisors.comHQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 17 contacts → |
“Downstream Advisors is a professional consulting firm specialized in the technical, commercial and financial aspects of the downstream petroleum industries – refining, marketing…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  H2c H2 Clipper, INC H2c Safety Pipe, INCh2clipper.comHQ: Santa Barbara, CA, United StatesReported employees: 11-50 | Santa Barbara, CA, United States | 11-50 | Exact match | 16 contacts → |
“H2C is committed to accelerating the hydrogen economy by providing a breakthrough in the transportation and infrastructure required to bring green hydrogen to market now at a…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Fpolisolutionsfpolisolutions.comHQ: Pittsburgh, PA, United StatesReported employees: 1-10 | Pittsburgh, PA, United States | 1-10 | Exact match | 14 contacts → |
“FPoliSolutions specializes in the execution of complex analytical projects for industry segments that demands absolute reliability and safety.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Itasca Denveritascadenver.comHQ: Lakewood, CO, United StatesReported employees: 11-50 | Lakewood, CO, United States | 11-50 | Exact match | 14 contacts → |
“Itasca Denver, Inc.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  GTL Leasinggtlleasing.comHQ: Catoosa, OK, United StatesReported employees: 1-10 | Catoosa, OK, United States | 1-10 | Exact match | 14 contacts → |
“High pressure gas transports (composite cylinder based) leasing.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Pearson Adair & COpearsonadair.comHQ: Plano, TX, United StatesReported employees: 1-10 | Plano, TX, United States | 1-10 | Exact match | 13 contacts → |
“Pearson Adair & Co, is an energy consulting practice founded on decades of industry experience.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 223 company matches
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Hydrogen consultancies: dataset insights
November 5, 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
223 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 223 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: November 5, 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 hydrogen consultancies?
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 hydrogen consultancies did RevenueBase find based in the United States?
The saved snapshot records 223 matching company records, 2,296 tracked contacts and 958 verified emails. The public preview displays 24 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: November 5, 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
Hydrogen consultancies by geography
- Hydrogen consultancies based in London, United Kingdom
- Hydrogen consultancies based in Australia
- Hydrogen consultancies based in Belgium
- Hydrogen consultancies based in Brazil
- Hydrogen consultancies based in Canada
- Hydrogen consultancies based in Chile
- Hydrogen consultancies based in France
- Hydrogen consultancies based in Germany
- Hydrogen consultancies based in India
- Hydrogen consultancies based in Italy
- Hydrogen consultancies based in the Netherlands
- Hydrogen consultancies based in Norway
Browse the directory
Cite this list
RevenueBase Data Team. Top 24 hydrogen consultancies based in the United States. Snapshot: November 5, 2026. https://revenuebase.ai/companies/hydrogen-consultancies/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
- Hydrogen consultancies based in London, United Kingdom
- Hydrogen consultancies based in Australia
- Hydrogen consultancies based in Belgium
- Hydrogen consultancies based in Brazil
- Hydrogen consultancies based in Canada
- Hydrogen consultancies based in Chile
Company intelligence · public preview
Top 24 hydrogen consultancies based in the United States
RevenueBase records 223 matching company records for hydrogen consultancies based in the United States, with 2,296 tracked contacts and 958 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 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 24 hydrogen consultancies 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 | Hyaxiom, INChyaxiom.com HQ: South Windsor, CT, United StatesReported employees: 201-500 | South Windsor, CT, United States | 201-500 | Exact match | 245 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 2 | RIX Industriesrixindustries.com HQ: Benicia, NV, United StatesReported employees: 51-200 | Benicia, NV, United States | 51-200 | Exact match | 161 contacts → |
“Serving critical infrastructure markets, RIX Industries is a global leader in the design, development, and manufacturing of hydrogen and gas generation systems, precision high…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Montgomery & Associateselmontgomery.com HQ: Tucson, CA, United StatesReported employees: 51-200 | Tucson, CA, United States | 51-200 | Exact match | 133 contacts → |
“M&A is a water resource consulting firm that partners with clients to address their evolving water resource challenges.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Ryder Scott Co. L.Pryderscott.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 117 contacts → |
“Ryder Scott Company, L.P.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Oneh2, INConeh2.com HQ: Longview, NC, United StatesReported employees: 51-200 | Longview, NC, United States | 51-200 | Exact match | 108 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 | Fastechfastechus.com HQ: Buena Park, CA, United StatesReported employees: 51-200 | Buena Park, CA, United States | 51-200 | Exact match | 87 contacts → |
“Fueling and Service Technologies, Inc.(FASTECH) is an end-to-end energy solutions company.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Lonquist & Co., LLClonquist.com HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 56 contacts → |
“Petroleum Engineering & Energy Advisors - With the Lonquist team, you have access to some of the most experienced and skilled professionals in the business.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HSI Group INChsigroupinc.com HQ: Torrance, CA, United StatesReported employees: 51-200 | Torrance, CA, United States | 51-200 | Exact match | 50 contacts → |
“About Us Since 1995 HSI has continually improved the approach to assessing the life of catalyst tubes and other reformer furnace components.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Excel Services Corporationexcelservices.com HQ: Rockville, MD, United StatesReported employees: 51-200 | Rockville, MD, United States | 51-200 | Exact match | 49 contacts → |
“EXCEL has evolved over the last four decades to meet the needs of the nuclear energy industry.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Clear Creek Associatesclearcreekassociates.com HQ: Scottsdale, AZ, United StatesReported employees: 11-50 | Scottsdale, AZ, United States | 11-50 | Exact match | 43 contacts → |
“Clear Creek Associates, a hydrogeological consulting company, was started in September to provide a very high level of expertise in groundwater science.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Steelhead Compositessteelheadcomposites.com HQ: Golden, United StatesReported employees: 51-200 | Golden, United States | 51-200 | Exact match | 35 contacts → |
“Steelhead Composites is a world-class advanced manufacturing company, based in Golden, Colorado (USA).” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Power & Energy, INCpowerandenergy.com HQ: Ivyland, PA, United StatesReported employees: 11-50 | Ivyland, PA, United States | 11-50 | Exact match | 28 contacts → |
“Power+Energy supplies Hydrogen Purity Analyzers and Hydrogen Separators and is developing high- efficiency, low cost Hydrogen Generators for fuel cell applications.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Krishnan & Associates, INCkrishnaninc.com HQ: Stamford, OH, United StatesReported employees: 11-50 | Stamford, OH, United States | 11-50 | Exact match | 27 contacts → |
“Krishnan & Associates (K&A) is a full service power and energy industry consulting firm providing specialized marketing, market analytics, mergers & acquisitions and recruitment…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Albuquerque, NM, United StatesReported employees: 51-200 | Albuquerque, NM, United States | 51-200 | Exact match | 24 contacts → |
“INNOVATIVE TECHNOLOGY PARTNERSHIPS LLC (ITP) conducts consulting for High Reliability Organizations (HROs) in the nuclear community.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Hyperion Companies, INChyperion.inc HQ: Orange, CA, United StatesReported employees: 51-200 | Orange, CA, United States | 51-200 | Exact match | 22 contacts → |
“Hyperion Companies was founded in 2011 with the goal of bringing a new wave of clean energy to the market in the form of hydrogen.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Gloyer-Taylor Laboratories, INCgtlcompany.com HQ: Tullahoma, TN, United StatesReported employees: 11-50 | Tullahoma, TN, United States | 11-50 | Exact match | 21 contacts → |
“GTL is a high-technology company specializing in providing strategic technology breakthroughs and game-changing products to the Hydrogen Economy and the Transportation, Aviation…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Neoex Systems, INCneoexsystemsinc.com HQ: Amherst, OH, United StatesReported employees: 11-50 | Amherst, OH, United States | 11-50 | Exact match | 20 contacts → |
“We provide on-board liquid hydrogen energy storage and fuel cell power system integration services to unmanned aerial vehicle (UAV) manufacturers.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Independence Hydrogenih2.us HQ: Ashburn, VA, United StatesReported employees: 11-50 | Ashburn, VA, United States | 11-50 | Exact match | 18 contacts → |
“We manufacture and distribute high-pressure, gaseous hydrogen to lower costs, complexity, and carbon.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Downstream Advisors INCdownstreamadvisors.com HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 17 contacts → |
“Downstream Advisors is a professional consulting firm specialized in the technical, commercial and financial aspects of the downstream petroleum industries – refining, marketing…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | H2c H2 Clipper, INC H2c Safety Pipe, INCh2clipper.com HQ: Santa Barbara, CA, United StatesReported employees: 11-50 | Santa Barbara, CA, United States | 11-50 | Exact match | 16 contacts → |
“H2C is committed to accelerating the hydrogen economy by providing a breakthrough in the transportation and infrastructure required to bring green hydrogen to market now at a…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Fpolisolutionsfpolisolutions.com HQ: Pittsburgh, PA, United StatesReported employees: 1-10 | Pittsburgh, PA, United States | 1-10 | Exact match | 14 contacts → |
“FPoliSolutions specializes in the execution of complex analytical projects for industry segments that demands absolute reliability and safety.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Itasca Denveritascadenver.com HQ: Lakewood, CO, United StatesReported employees: 11-50 | Lakewood, CO, United States | 11-50 | Exact match | 14 contacts → |
“Itasca Denver, Inc.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | GTL Leasinggtlleasing.com HQ: Catoosa, OK, United StatesReported employees: 1-10 | Catoosa, OK, United States | 1-10 | Exact match | 14 contacts → |
“High pressure gas transports (composite cylinder based) leasing.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Pearson Adair & COpearsonadair.com HQ: Plano, TX, United StatesReported employees: 1-10 | Plano, TX, United States | 1-10 | Exact match | 13 contacts → |
“Pearson Adair & Co, is an energy consulting practice founded on decades of industry experience.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 223 company matches
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Hydrogen consultancies: dataset insights
November 5, 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
223 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 223 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: November 5, 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 hydrogen consultancies?
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 hydrogen consultancies did RevenueBase find based in the United States?
The saved snapshot records 223 matching company records, 2,296 tracked contacts and 958 verified emails. The public preview displays 24 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: November 5, 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 24 hydrogen consultancies based in the United States. Snapshot: November 5, 2026. https://revenuebase.ai/companies/hydrogen-consultancies/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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