Company lists · Data refreshed September 2026
Top 25 Hydrogen consultants based in the United States
RevenueBase identified 261 company matches for hydrogen consultants associated with the United States as of September 2026 and tracks 2,374 professional contacts across them, including 897 with verified work emails. Houston is the largest hub.
This list covers company matches for hydrogen consultants 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 21, 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 25 largest hydrogen consultants based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 346 contacts → | ||||
Exact match “Electric Hydrogen manufactures, delivers and commissions the world’s most powerful electrolyzers to make clean hydrogen projects economically viable today.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 152 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 130 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 81 contacts → | ||||
Exact match “Fueling and Service Technologies, Inc.(FASTECH) is an end-to-end energy solutions company.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 68 contacts → | ||||
Exact match “Pneumatic & Hydraulic (PHC) is a national leading full-service custom automation, test equipment & Hydrogen systems supplier at the same time distributing fluid power components…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 47 contacts → | ||||
Exact match “Precision High Pressure Technology for Industrial Gases and Hydrogen Fluitron is a market leader in engineering and safely manufacturing innovative high-pressure technologies…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 47 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 46 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 42 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 37 contacts → | ||||
Exact match “GenH2 is a technology leader in liquid hydrogen infrastructure systems, delivering breakthrough solutions to accelerate the clean energy transition.” Recorded in the RevenueBase company graph · Sep 21, 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 32 contacts → | ||||
Exact match “Infintium Fuel Cell Systems is an original designer and manufacturer of the next generation of zero emission Hydrogen Power Cells for motive applications.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 30 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 28 contacts → | ||||
Exact match “Information Trends is a premier market research firm based in Sterling, Virginia.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 26 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 25 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 23 contacts → | ||||
Exact match “Geoscience Support Services (GEOSCIENCE) provides vital, specialized consulting to help clients overcome their most complex groundwater resource challenges.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 20 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 20 contacts → | ||||
Exact match “HOS Resources is a Lafayette, Louisiana-based energy consulting company.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 19 contacts → | ||||
Exact match “Itasca Denver, Inc.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 17 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 17 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 16 contacts → | ||||
Exact match “We manufacture and distribute high-pressure, gaseous hydrogen to lower costs, complexity, and carbon.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 14 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 14 contacts → | ||||
Exact match “We are an Atlanta-based energy research and consulting NGO equipped with sophisticated analytical technologies and deep industry knowledge in the clean energy space.” Recorded in the RevenueBase company graph · Sep 21, 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 consultants”. 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 25 of 261 hydrogen consultants based in the United States
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Hydrogen consultants based in the United States at a glance
As of Sep 21, 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 261 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 consultants” 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 897 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 21, 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 consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many hydrogen consultants are there based in the United States?
RevenueBase identified 261 company matches for hydrogen consultants 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?
Electric Hydrogen tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most hydrogen consultants?
Houston leads with 21 company records, followed by New York (9) 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 897 professional contacts with verified work emails tracked across these 261 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 261 hydrogen consultants based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Hydrogen consultants by geography
- Hydrogen consultants based in Australia
- Hydrogen consultants based in Brazil
- Hydrogen consultants based in Canada
- Hydrogen consultants based in France
- Hydrogen consultants based in Germany
- Hydrogen consultants based in India
- Hydrogen consultants based in Italy
- Hydrogen consultants based in the Netherlands
- Hydrogen consultants based in Spain
- Hydrogen consultants based in the United Kingdom
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
Company intelligence · public preview
Top 25 hydrogen consultants 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 261 matching company records for hydrogen consultants based in the United States, with 2,374 tracked contacts and 897 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 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 25 hydrogen consultants 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 |  Electric Hydrogeneh2.comHQ: Devens, MA, United StatesReported employees: 201-500 | Devens, MA, United States | 201-500 | Exact match | 346 contacts → |
“Electric Hydrogen manufactures, delivers and commissions the world’s most powerful electrolyzers to make clean hydrogen projects economically viable today.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  RIX Industriesrixindustries.comHQ: Benicia, CA, United StatesReported employees: 51-200 | Benicia, CA, United States | 51-200 | Exact match | 152 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Oneh2, INConeh2.comHQ: Longview, NC, United StatesReported employees: 51-200 | Longview, NC, United States | 51-200 | Exact match | 130 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 4 |  Fastechfastechus.comHQ: Buena Park, CA, United StatesReported employees: 51-200 | Buena Park, CA, United States | 51-200 | Exact match | 81 contacts → |
“Fueling and Service Technologies, Inc.(FASTECH) is an end-to-end energy solutions company.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Pneumatic And Hydraulic Companypneumaticandhydraulic.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 68 contacts → |
“Pneumatic & Hydraulic (PHC) is a national leading full-service custom automation, test equipment & Hydrogen systems supplier at the same time distributing fluid power components…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Fluitron IPL LLCfluitron.comHQ: Hatboro, PA, United StatesReported employees: 51-200 | Hatboro, PA, United States | 51-200 | Exact match | 47 contacts → |
“Precision High Pressure Technology for Industrial Gases and Hydrogen Fluitron is a market leader in engineering and safely manufacturing innovative high-pressure technologies…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Excel Services Corporationexcelservices.comHQ: Rockville, MD, United StatesReported employees: 51-200 | Rockville, MD, United States | 51-200 | Exact match | 47 contacts → |
“EXCEL has evolved over the last four decades to meet the needs of the nuclear energy industry.” Recorded description excerpt · September 21, 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 | 46 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Clear Creek Associatesclearcreekassociates.com HQ: Scottsdale, AZ, United StatesReported employees: 11-50 | Scottsdale, AZ, United States | 11-50 | Exact match | 42 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Genh2genh2.comHQ: Titusville, FL, United StatesReported employees: 51-200 | Titusville, FL, United States | 51-200 | Exact match | 37 contacts → |
“GenH2 is a technology leader in liquid hydrogen infrastructure systems, delivering breakthrough solutions to accelerate the clean energy transition.” Recorded description excerpt · September 21, 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Infintium Fuel Cell Systemsinfintium.comHQ: Greenville, SC, United StatesReported employees: 11-50 | Greenville, SC, United States | 11-50 | Exact match | 32 contacts → |
“Infintium Fuel Cell Systems is an original designer and manufacturer of the next generation of zero emission Hydrogen Power Cells for motive applications.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Power & Energy, INCpowerandenergy.com HQ: Ivyland, PA, United StatesReported employees: 11-50 | Ivyland, PA, United States | 11-50 | Exact match | 30 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Information Trendsinformationtrends.comHQ: Sterling, VA, United StatesReported employees: 11-50 | Sterling, VA, United States | 11-50 | Exact match | 28 contacts → |
“Information Trends is a premier market research firm based in Sterling, Virginia.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Krishnan & Associates, INCkrishnaninc.comHQ: Stamford, CT, United StatesReported employees: 11-50 | Stamford, CT, United States | 11-50 | Exact match | 26 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Hyperion Companies, INChyperion.incHQ: Orange, CA, United StatesReported employees: 51-200 | Orange, CA, United States | 51-200 | Exact match | 25 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Geoscience Support Services, INCgssiwater.comHQ: San Dimas, CA, United StatesReported employees: 11-50 | San Dimas, CA, United States | 11-50 | Exact match | 23 contacts → |
“Geoscience Support Services (GEOSCIENCE) provides vital, specialized consulting to help clients overcome their most complex groundwater resource challenges.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Albuquerque, NM, United StatesReported employees: 51-200 | Albuquerque, NM, United States | 51-200 | Exact match | 20 contacts → |
“INNOVATIVE TECHNOLOGY PARTNERSHIPS LLC (ITP) conducts consulting for High Reliability Organizations (HROs) in the nuclear community.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  HOS Resources, LLChosresources.comHQ: Lafayette, United StatesReported employees: 11-50 | Lafayette, United States | 11-50 | Exact match | 20 contacts → |
“HOS Resources is a Lafayette, Louisiana-based energy consulting company.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Itasca Denveritascadenver.comHQ: Lakewood, CO, United StatesReported employees: 11-50 | Lakewood, CO, United States | 11-50 | Exact match | 19 contacts → |
“Itasca Denver, Inc.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  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 | 17 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Neoex Systems, INCneoexsystemsinc.comHQ: Amherst, OH, United StatesReported employees: 11-50 | Amherst, OH, United States | 11-50 | Exact match | 17 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Independence Hydrogenih2.us HQ: Ashburn, VA, United StatesReported employees: 11-50 | Ashburn, VA, United States | 11-50 | Exact match | 16 contacts → |
“We manufacture and distribute high-pressure, gaseous hydrogen to lower costs, complexity, and carbon.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Downstream Advisors INCdownstreamadvisors.comHQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 14 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Greenlink Analyticsgreenlinkanalytics.orgHQ: Atlanta, GA, United StatesReported employees: 11-50 | Atlanta, GA, United States | 11-50 | Exact match | 14 contacts → |
“We are an Atlanta-based energy research and consulting NGO equipped with sophisticated analytical technologies and deep industry knowledge in the clean energy space.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 261 company matches
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Hydrogen consultants: dataset insights
September 21, 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
261 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 261 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 21, 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 consultants?
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 consultants did RevenueBase find based in the United States?
The saved snapshot records 261 matching company records, 2,374 tracked contacts and 897 verified emails. The public preview displays 25 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 21, 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 consultants by geography
- Hydrogen consultants based in Australia
- Hydrogen consultants based in Brazil
- Hydrogen consultants based in Canada
- Hydrogen consultants based in France
- Hydrogen consultants based in Germany
- Hydrogen consultants based in India
- Hydrogen consultants based in Italy
- Hydrogen consultants based in the Netherlands
- Hydrogen consultants based in Spain
- Hydrogen consultants based in the United Kingdom
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 hydrogen consultants based in the United States. Snapshot: September 21, 2026. https://revenuebase.ai/companies/hydrogen-consultants/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
Company intelligence · public preview
Top 25 hydrogen consultants based in the United States
RevenueBase records 261 matching company records for hydrogen consultants based in the United States, with 2,374 tracked contacts and 897 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 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 25 hydrogen consultants 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 | Electric Hydrogeneh2.com HQ: Devens, MA, United StatesReported employees: 201-500 | Devens, MA, United States | 201-500 | Exact match | 346 contacts → |
“Electric Hydrogen manufactures, delivers and commissions the world’s most powerful electrolyzers to make clean hydrogen projects economically viable today.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | RIX Industriesrixindustries.com HQ: Benicia, CA, United StatesReported employees: 51-200 | Benicia, CA, United States | 51-200 | Exact match | 152 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Oneh2, INConeh2.com HQ: Longview, NC, United StatesReported employees: 51-200 | Longview, NC, United States | 51-200 | Exact match | 130 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 4 | Fastechfastechus.com HQ: Buena Park, CA, United StatesReported employees: 51-200 | Buena Park, CA, United States | 51-200 | Exact match | 81 contacts → |
“Fueling and Service Technologies, Inc.(FASTECH) is an end-to-end energy solutions company.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Pneumatic And Hydraulic Companypneumaticandhydraulic.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 68 contacts → |
“Pneumatic & Hydraulic (PHC) is a national leading full-service custom automation, test equipment & Hydrogen systems supplier at the same time distributing fluid power components…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Fluitron IPL LLCfluitron.com HQ: Hatboro, PA, United StatesReported employees: 51-200 | Hatboro, PA, United States | 51-200 | Exact match | 47 contacts → |
“Precision High Pressure Technology for Industrial Gases and Hydrogen Fluitron is a market leader in engineering and safely manufacturing innovative high-pressure technologies…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Excel Services Corporationexcelservices.com HQ: Rockville, MD, United StatesReported employees: 51-200 | Rockville, MD, United States | 51-200 | Exact match | 47 contacts → |
“EXCEL has evolved over the last four decades to meet the needs of the nuclear energy industry.” Recorded description excerpt · September 21, 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 | 46 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Clear Creek Associatesclearcreekassociates.com HQ: Scottsdale, AZ, United StatesReported employees: 11-50 | Scottsdale, AZ, United States | 11-50 | Exact match | 42 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Genh2genh2.com HQ: Titusville, FL, United StatesReported employees: 51-200 | Titusville, FL, United States | 51-200 | Exact match | 37 contacts → |
“GenH2 is a technology leader in liquid hydrogen infrastructure systems, delivering breakthrough solutions to accelerate the clean energy transition.” Recorded description excerpt · September 21, 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Infintium Fuel Cell Systemsinfintium.com HQ: Greenville, SC, United StatesReported employees: 11-50 | Greenville, SC, United States | 11-50 | Exact match | 32 contacts → |
“Infintium Fuel Cell Systems is an original designer and manufacturer of the next generation of zero emission Hydrogen Power Cells for motive applications.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Power & Energy, INCpowerandenergy.com HQ: Ivyland, PA, United StatesReported employees: 11-50 | Ivyland, PA, United States | 11-50 | Exact match | 30 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Information Trendsinformationtrends.com HQ: Sterling, VA, United StatesReported employees: 11-50 | Sterling, VA, United States | 11-50 | Exact match | 28 contacts → |
“Information Trends is a premier market research firm based in Sterling, Virginia.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Krishnan & Associates, INCkrishnaninc.com HQ: Stamford, CT, United StatesReported employees: 11-50 | Stamford, CT, United States | 11-50 | Exact match | 26 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Hyperion Companies, INChyperion.inc HQ: Orange, CA, United StatesReported employees: 51-200 | Orange, CA, United States | 51-200 | Exact match | 25 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Geoscience Support Services, INCgssiwater.com HQ: San Dimas, CA, United StatesReported employees: 11-50 | San Dimas, CA, United States | 11-50 | Exact match | 23 contacts → |
“Geoscience Support Services (GEOSCIENCE) provides vital, specialized consulting to help clients overcome their most complex groundwater resource challenges.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Albuquerque, NM, United StatesReported employees: 51-200 | Albuquerque, NM, United States | 51-200 | Exact match | 20 contacts → |
“INNOVATIVE TECHNOLOGY PARTNERSHIPS LLC (ITP) conducts consulting for High Reliability Organizations (HROs) in the nuclear community.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HOS Resources, LLChosresources.com HQ: Lafayette, United StatesReported employees: 11-50 | Lafayette, United States | 11-50 | Exact match | 20 contacts → |
“HOS Resources is a Lafayette, Louisiana-based energy consulting company.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Itasca Denveritascadenver.com HQ: Lakewood, CO, United StatesReported employees: 11-50 | Lakewood, CO, United States | 11-50 | Exact match | 19 contacts → |
“Itasca Denver, Inc.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | 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 | 17 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Neoex Systems, INCneoexsystemsinc.com HQ: Amherst, OH, United StatesReported employees: 11-50 | Amherst, OH, United States | 11-50 | Exact match | 17 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Independence Hydrogenih2.us HQ: Ashburn, VA, United StatesReported employees: 11-50 | Ashburn, VA, United States | 11-50 | Exact match | 16 contacts → |
“We manufacture and distribute high-pressure, gaseous hydrogen to lower costs, complexity, and carbon.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Downstream Advisors INCdownstreamadvisors.com HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 14 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Greenlink Analyticsgreenlinkanalytics.org HQ: Atlanta, GA, United StatesReported employees: 11-50 | Atlanta, GA, United States | 11-50 | Exact match | 14 contacts → |
“We are an Atlanta-based energy research and consulting NGO equipped with sophisticated analytical technologies and deep industry knowledge in the clean energy space.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 261 company matches
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Hydrogen consultants: dataset insights
September 21, 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
261 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 261 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 21, 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 consultants?
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 consultants did RevenueBase find based in the United States?
The saved snapshot records 261 matching company records, 2,374 tracked contacts and 897 verified emails. The public preview displays 25 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 21, 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 consultants by geography
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Cite this list
RevenueBase Data Team. Top 25 hydrogen consultants based in the United States. Snapshot: September 21, 2026. https://revenuebase.ai/companies/hydrogen-consultants/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗