Company lists · Data refreshed September 2026
Top 11 Flywheel energy storage companies based in the United States
RevenueBase identified 26 company matches for flywheel energy storage companies associated with the United States as of September 2026 and tracks 3,226 professional contacts across them, including 294 with verified work emails. Houston is the largest hub.
This list covers company matches for flywheel energy storage companies 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 16, 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 11 largest flywheel energy storage companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 354 contacts → | ||||
Exact match “ESS, Inc.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 2 | 264 contacts → | ||||
Exact match “At Active Power, our mission is to empower customers with sustainable, reliable, intelligent power solutions.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 242 contacts → | ||||
Exact match “Since 2010, Powin has been working to mitigate the economic and environmental impacts of climate change by revolutionizing the way energy is generated, transmitted, and…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 99 contacts → | ||||
Exact match “EnerVenue is commercializing energy storage systems designed to behave like infrastructure, prioritizing endurance, safety, and lifecycle economics over short-term optimization.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 88 contacts → | ||||
Exact match “Amber Kinetics is the industry-leader in manufacturing flywheel energy storage systems (FESS).” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 19 contacts → | ||||
Exact match “NEC Energy Solutions, headquartered in Westborough Massachusetts USA and a subsidiary of NEC Corporation, designs, manufactures, and integrates smart energy storage solutions for…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 18 contacts → | ||||
Exact match “Houston-based Quidnet Energy is an energy storage company that uses the subsurface as a sustainable natural resource.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 8 | 18 contacts → | ||||
Exact match “VYCON is a manufacturer of technologically advanced flywheel energy storage systems that enable a highly reliable, cost-effective and environmentally friendly solution for a…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 14 contacts → | ||||
Exact match “Qnetic is a start-up on a mission to enable clean, sustainable energy on Earth.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 10 | 1 contacts → | ||||
Exact match “Solar and wind are already the cheapest electricity ever produced.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 1 contacts → | ||||
Exact match “HyVerde integrates power conversion hardware with control software to enhance energy efficiency, safety, and longevity in energy storage for electric vehicles and grid…” Recorded in the RevenueBase company graph · Sep 16, 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 “flywheel energy storage companies”. 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 11 of 26 flywheel energy storage companies based in the United States
See the full list, filter by size, metro and specialty, and access 294 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Flywheel energy storage companies based in the United States at a glance
As of Sep 16, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 26 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 “flywheel energy storage companies” 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 294 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 16, 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 “flywheel energy storage companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many flywheel energy storage companies are there based in the United States?
RevenueBase identified 26 company matches for flywheel energy storage companies 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?
ESS tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most flywheel energy storage companies?
Houston leads with 2 company records, followed by Austin (1) and Berkeley (1).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 294 professional contacts with verified work emails tracked across these 26 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 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 26 flywheel energy storage companies based in the United States. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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Company intelligence · public preview
Top 11 flywheel energy storage companies 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 26 matching company records for flywheel energy storage companies based in the United States, with 3,226 tracked contacts and 294 verified work emails.
This public preview shows 11 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 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 11 flywheel energy storage companies 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 |  ESSessinc.comHQ: Wilsonville, OR, United StatesReported employees: 201-500 | Wilsonville, OR, United States | 201-500 | Exact match | 354 contacts → |
“ESS, Inc.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Active Power INCactivepower.comHQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 264 contacts → |
“At Active Power, our mission is to empower customers with sustainable, reliable, intelligent power solutions.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  POWINpowin.comHQ: Tualatin, OR, United StatesReported employees: 501-1,000 | Tualatin, OR, United States | 501-1,000 | Exact match | 242 contacts → |
“Since 2010, Powin has been working to mitigate the economic and environmental impacts of climate change by revolutionizing the way energy is generated, transmitted, and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Enervenueenervenue.comHQ: Fremont, CA, United StatesReported employees: 201-500 | Fremont, CA, United States | 201-500 | Exact match | 99 contacts → |
“EnerVenue is commercializing energy storage systems designed to behave like infrastructure, prioritizing endurance, safety, and lifecycle economics over short-term optimization.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Amber Kineticsamberkinetics.comHQ: Union City, CA, United StatesReported employees: 51-200 | Union City, CA, United States | 51-200 | Exact match | 88 contacts → |
“Amber Kinetics is the industry-leader in manufacturing flywheel energy storage systems (FESS).” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | NEC Energy Solutionsneces.com HQ: Westborough, MA, United StatesReported employees: 51-200 | Westborough, MA, United States | 51-200 | Exact match | 19 contacts → |
“NEC Energy Solutions, headquartered in Westborough Massachusetts USA and a subsidiary of NEC Corporation, designs, manufactures, and integrates smart energy storage solutions for…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Quidnet Energyquidnetenergy.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 18 contacts → |
“Houston-based Quidnet Energy is an energy storage company that uses the subsurface as a sustainable natural resource.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Vycon, INCvyconenergy.com HQ: Chino, CA, United StatesReported employees: 11-50 | Chino, CA, United States | 11-50 | Exact match | 18 contacts → |
“VYCON is a manufacturer of technologically advanced flywheel energy storage systems that enable a highly reliable, cost-effective and environmentally friendly solution for a…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Qneticqnetic.energyHQ: New York, NY, United StatesReported employees: 1-10 | New York, NY, United States | 1-10 | Exact match | 14 contacts → |
“Qnetic is a start-up on a mission to enable clean, sustainable energy on Earth.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Kinetixkinetix.energy HQ: Berkeley, United StatesReported employees: 1-10 | Berkeley, United States | 1-10 | Exact match | 1 contacts → |
“Solar and wind are already the cheapest electricity ever produced.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Hyverdehyverde.com HQ: Merced, CA, United StatesReported employees: 1-10 | Merced, CA, United States | 1-10 | Exact match | 1 contacts → |
“HyVerde integrates power conversion hardware with control software to enhance energy efficiency, safety, and longevity in energy storage for electric vehicles and grid…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 11 of 26 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
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Flywheel energy storage companies: dataset insights
September 16, 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
26 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 26 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 16, 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 flywheel energy storage companies?
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 flywheel energy storage companies did RevenueBase find based in the United States?
The saved snapshot records 26 matching company records, 3,226 tracked contacts and 294 verified emails. The public preview displays 11 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 16, 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
Cite this list
RevenueBase Data Team. Top 11 flywheel energy storage companies based in the United States. Snapshot: September 16, 2026. https://revenuebase.ai/companies/flywheel-energy-storage-companies/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
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
- Real estate companies based in the United States
Company intelligence · public preview
Top 11 flywheel energy storage companies based in the United States
RevenueBase records 26 matching company records for flywheel energy storage companies based in the United States, with 3,226 tracked contacts and 294 verified work emails.
This public preview shows 11 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 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 11 flywheel energy storage companies 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 | ESSessinc.com HQ: Wilsonville, OR, United StatesReported employees: 201-500 | Wilsonville, OR, United States | 201-500 | Exact match | 354 contacts → |
“ESS, Inc.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Active Power INCactivepower.com HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 264 contacts → |
“At Active Power, our mission is to empower customers with sustainable, reliable, intelligent power solutions.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | POWINpowin.com HQ: Tualatin, OR, United StatesReported employees: 501-1,000 | Tualatin, OR, United States | 501-1,000 | Exact match | 242 contacts → |
“Since 2010, Powin has been working to mitigate the economic and environmental impacts of climate change by revolutionizing the way energy is generated, transmitted, and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Enervenueenervenue.com HQ: Fremont, CA, United StatesReported employees: 201-500 | Fremont, CA, United States | 201-500 | Exact match | 99 contacts → |
“EnerVenue is commercializing energy storage systems designed to behave like infrastructure, prioritizing endurance, safety, and lifecycle economics over short-term optimization.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Amber Kineticsamberkinetics.com HQ: Union City, CA, United StatesReported employees: 51-200 | Union City, CA, United States | 51-200 | Exact match | 88 contacts → |
“Amber Kinetics is the industry-leader in manufacturing flywheel energy storage systems (FESS).” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | NEC Energy Solutionsneces.com HQ: Westborough, MA, United StatesReported employees: 51-200 | Westborough, MA, United States | 51-200 | Exact match | 19 contacts → |
“NEC Energy Solutions, headquartered in Westborough Massachusetts USA and a subsidiary of NEC Corporation, designs, manufactures, and integrates smart energy storage solutions for…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Quidnet Energyquidnetenergy.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 18 contacts → |
“Houston-based Quidnet Energy is an energy storage company that uses the subsurface as a sustainable natural resource.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Vycon, INCvyconenergy.com HQ: Chino, CA, United StatesReported employees: 11-50 | Chino, CA, United States | 11-50 | Exact match | 18 contacts → |
“VYCON is a manufacturer of technologically advanced flywheel energy storage systems that enable a highly reliable, cost-effective and environmentally friendly solution for a…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Qneticqnetic.energy HQ: New York, NY, United StatesReported employees: 1-10 | New York, NY, United States | 1-10 | Exact match | 14 contacts → |
“Qnetic is a start-up on a mission to enable clean, sustainable energy on Earth.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Kinetixkinetix.energy HQ: Berkeley, United StatesReported employees: 1-10 | Berkeley, United States | 1-10 | Exact match | 1 contacts → |
“Solar and wind are already the cheapest electricity ever produced.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Hyverdehyverde.com HQ: Merced, CA, United StatesReported employees: 1-10 | Merced, CA, United States | 1-10 | Exact match | 1 contacts → |
“HyVerde integrates power conversion hardware with control software to enhance energy efficiency, safety, and longevity in energy storage for electric vehicles and grid…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 11 of 26 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Flywheel energy storage companies: dataset insights
September 16, 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
26 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 26 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 16, 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 flywheel energy storage companies?
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 flywheel energy storage companies did RevenueBase find based in the United States?
The saved snapshot records 26 matching company records, 3,226 tracked contacts and 294 verified emails. The public preview displays 11 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 16, 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
Cite this list
RevenueBase Data Team. Top 11 flywheel energy storage companies based in the United States. Snapshot: September 16, 2026. https://revenuebase.ai/companies/flywheel-energy-storage-companies/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
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
- Real estate companies based in the United States