Company lists · Data refreshed September 2026
Top 18 Hard carbon manufacturers based in the United States
RevenueBase identified 32 company matches for hard carbon manufacturers associated with the United States as of September 2026 and tracks 1,029 professional contacts across them, including 495 with verified work emails. Chicago is the largest hub.
This list covers company matches for hard carbon manufacturers associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 30, 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 18 largest hard carbon manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 423 contacts → | ||||
Exact match “We are Sila-a next generation battery materials company dedicated to accelerating energy transformation for a more sustainable future.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 2 | 138 contacts → | ||||
Exact match “Innovating since 1917, Superior Graphite provides continuous electro-thermal treatment/purification of graphite & carbons, advanced sizing, and custom-mix technologies for…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 3 | 76 contacts → | ||||
Exact match “Wildcat's vision is to be the first choice for battery material development, integration, and supply.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 4 | 50 contacts → | ||||
Exact match “Americarb is a manufacturer of carbon and graphite materials specializing in high temperature processing and purification of carbon and graphite materials at temperatures up to C.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 5 | 40 contacts → | ||||
Exact match “NanoGraf is the largest silicon oxide anode material producer in the United States.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 6 | 35 contacts → | ||||
Exact match “Ten-Nine Technologies was founded in 2014 with a dream of creating new materials for new economies.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 7 | 27 contacts → | ||||
Exact match “Anovion Technologies is a U.S-owned and based advanced materials business and commercial-scale manufacturer of premium, anode-grade synthetic graphite, in production today.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 8 | 27 contacts → | ||||
Exact match “Amsted Graphite Materials is a world leader in graphite material science with over 100 years of experience in the carbon and graphite industry.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 9 | 21 contacts → | ||||
Exact match “Ionic Mineral Technologies is a U.S-based, vertically integrated producer of advanced materials essential to energy storage, national defense, and clean manufacturing.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 10 | 19 contacts → | ||||
Exact match “Westwater Resources Inc.(NYSE American: WWR) is focused on developing battery-anode natural graphite materials for advanced batteries.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 11 | 18 contacts → | ||||
Exact match “American Energy Technologies Co.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 12 | 11 contacts → | ||||
Exact match “Ecellix's breakthrough eCell™ high Silicon-content anode technology is a proud winner of the prestigious Global Innovation Award.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 13 | 11 contacts → | ||||
Exact match “Sylvatex (SVX) is an advanced materials technology company transforming how lithium-ion batteries are manufactured.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 14 | 9 contacts → | ||||
Exact match “Improving lithium-ion battery performance presents a persistent engineering challenge.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 15 | 5 contacts → | ||||
Exact match “GruEnergy is a global leader and innovator of silicon anode materials for next generation lithium-ion batteries used in electric vehicles, power tools, consumer electronics, etc.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 16 | 3 contacts → | ||||
Exact match “Rincell Corporation was founded to accelerate the electrification of high-impact carbon emission products, fostering a sustainable future with a secure supply chain.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 17 | 3 contacts → | ||||
Exact match “AquaLith manufactures next-generation batteries and battery materials.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 18 | 2 contacts → | ||||
Exact match “Nanocomposite Engineering for Next Generation Energy Storage” Recorded in the RevenueBase company graph · Sep 30, 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 “hard carbon manufacturers”. 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 18 of 32 hard carbon manufacturers based in the United States
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Hard carbon manufacturers based in the United States at a glance
As of Sep 30, 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 32 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 “hard carbon manufacturers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 495 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 30, 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 “hard carbon manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many hard carbon manufacturers are there based in the United States?
RevenueBase identified 32 company matches for hard carbon manufacturers 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?
Sila Nanotechnologies, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most hard carbon manufacturers?
Chicago leads with 3 company records, followed by Alameda (2) and Anmoore (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 495 professional contacts with verified work emails tracked across these 32 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 30, 2026.
Ready to reach these companies? Verified emails and direct dials for all 32 hard carbon manufacturers 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 18 hard carbon manufacturers 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 32 matching company records for hard carbon manufacturers based in the United States, with 1,029 tracked contacts and 495 verified work emails.
This public preview shows 18 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 30, 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 18 hard carbon manufacturers 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 |  Sila Nanotechnologies, INCsilanano.comHQ: Alameda, CA, United StatesReported employees: 201-500 | Alameda, CA, United States | 201-500 | Exact match | 423 contacts → |
“We are Sila-a next generation battery materials company dedicated to accelerating energy transformation for a more sustainable future.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Superior Graphitesuperiorgraphite.com HQ: Chicago, IL, United StatesReported employees: 201-500 | Chicago, IL, United States | 201-500 | Exact match | 138 contacts → |
“Innovating since 1917, Superior Graphite provides continuous electro-thermal treatment/purification of graphite & carbons, advanced sizing, and custom-mix technologies for…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Wildcat Discovery Technologieswildcatdiscovery.comHQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 76 contacts → |
“Wildcat's vision is to be the first choice for battery material development, integration, and supply.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Americarbamericarb.comHQ: Niagara Falls, NY, United StatesReported employees: 51-200 | Niagara Falls, NY, United States | 51-200 | Exact match | 50 contacts → |
“Americarb is a manufacturer of carbon and graphite materials specializing in high temperature processing and purification of carbon and graphite materials at temperatures up to C.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Nanograf Corporationnanograf.comHQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 40 contacts → |
“NanoGraf is the largest silicon oxide anode material producer in the United States.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Ten-Nine Technologiesten-ninetech.comHQ: Tulsa, OK, United StatesReported employees: 11-50 | Tulsa, OK, United States | 11-50 | Exact match | 35 contacts → |
“Ten-Nine Technologies was founded in 2014 with a dream of creating new materials for new economies.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Anovion Technologiesanoviontech.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 27 contacts → |
“Anovion Technologies is a U.S-owned and based advanced materials business and commercial-scale manufacturer of premium, anode-grade synthetic graphite, in production today.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Amsted Graphite Materialsamstedgraphite.comHQ: Anmoore, WV, United StatesReported employees: 201-500 | Anmoore, WV, United States | 201-500 | Exact match | 27 contacts → |
“Amsted Graphite Materials is a world leader in graphite material science with over 100 years of experience in the carbon and graphite industry.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Ionic Mineral Technologiesionicmt.com HQ: Provo, UT, United StatesReported employees: 11-50 | Provo, UT, United States | 11-50 | Exact match | 21 contacts → |
“Ionic Mineral Technologies is a U.S-based, vertically integrated producer of advanced materials essential to energy storage, national defense, and clean manufacturing.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Westwater Resourceswestwaterresources.net HQ: Centennial, CO, United StatesReported employees: 11-50 | Centennial, CO, United States | 11-50 | Exact match | 19 contacts → |
“Westwater Resources Inc.(NYSE American: WWR) is focused on developing battery-anode natural graphite materials for advanced batteries.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | American Energy Technologies Companyusaenergytech.com HQ: Arlington Heights, IL, United StatesReported employees: 11-50 | Arlington Heights, IL, United States | 11-50 | Exact match | 18 contacts → |
“American Energy Technologies Co.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Ecellix INCecellix.com HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 11 contacts → |
“Ecellix's breakthrough eCell™ high Silicon-content anode technology is a proud winner of the prestigious Global Innovation Award.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Sylvatex SVXsylvatex.com HQ: Alameda, CA, United StatesReported employees: 11-50 | Alameda, CA, United States | 11-50 | Exact match | 11 contacts → |
“Sylvatex (SVX) is an advanced materials technology company transforming how lithium-ion batteries are manufactured.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Paraclete Energyparacleteenergy.com HQ: Chelsea, MI, United StatesReported employees: 1-10 | Chelsea, MI, United States | 1-10 | Exact match | 9 contacts → |
“Improving lithium-ion battery performance presents a persistent engineering challenge.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Gruenergygruenergylab.com HQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 5 contacts → |
“GruEnergy is a global leader and innovator of silicon anode materials for next generation lithium-ion batteries used in electric vehicles, power tools, consumer electronics, etc.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Rincellrincell.com HQ: San Francisco, United StatesReported employees: 11-50 | San Francisco, United States | 11-50 | Exact match | 3 contacts → |
“Rincell Corporation was founded to accelerate the electrification of high-impact carbon emission products, fostering a sustainable future with a secure supply chain.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Aqualithaqualith.netHQ: Baltimore, MD, United StatesReported employees: 1-10 | Baltimore, MD, United States | 1-10 | Exact match | 3 contacts → |
“AquaLith manufactures next-generation batteries and battery materials.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Tuebor Energytueborenergy.com HQ: Ann Arbor, MI, United StatesReported employees: 1-10 | Ann Arbor, MI, United States | 1-10 | Exact match | 2 contacts → |
“Nanocomposite Engineering for Next Generation Energy Storage” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 18 of 32 company matches
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Hard carbon manufacturers: dataset insights
September 30, 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
32 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 32 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 30, 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 hard carbon manufacturers?
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 hard carbon manufacturers did RevenueBase find based in the United States?
The saved snapshot records 32 matching company records, 1,029 tracked contacts and 495 verified emails. The public preview displays 18 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 30, 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 18 hard carbon manufacturers based in the United States. Snapshot: September 30, 2026. https://revenuebase.ai/companies/hard-carbon-manufacturers/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 18 hard carbon manufacturers based in the United States
RevenueBase records 32 matching company records for hard carbon manufacturers based in the United States, with 1,029 tracked contacts and 495 verified work emails.
This public preview shows 18 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 30, 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 18 hard carbon manufacturers 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 | Sila Nanotechnologies, INCsilanano.com HQ: Alameda, CA, United StatesReported employees: 201-500 | Alameda, CA, United States | 201-500 | Exact match | 423 contacts → |
“We are Sila-a next generation battery materials company dedicated to accelerating energy transformation for a more sustainable future.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Superior Graphitesuperiorgraphite.com HQ: Chicago, IL, United StatesReported employees: 201-500 | Chicago, IL, United States | 201-500 | Exact match | 138 contacts → |
“Innovating since 1917, Superior Graphite provides continuous electro-thermal treatment/purification of graphite & carbons, advanced sizing, and custom-mix technologies for…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Wildcat Discovery Technologieswildcatdiscovery.com HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 76 contacts → |
“Wildcat's vision is to be the first choice for battery material development, integration, and supply.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Americarbamericarb.com HQ: Niagara Falls, NY, United StatesReported employees: 51-200 | Niagara Falls, NY, United States | 51-200 | Exact match | 50 contacts → |
“Americarb is a manufacturer of carbon and graphite materials specializing in high temperature processing and purification of carbon and graphite materials at temperatures up to C.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Nanograf Corporationnanograf.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 40 contacts → |
“NanoGraf is the largest silicon oxide anode material producer in the United States.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Ten-Nine Technologiesten-ninetech.com HQ: Tulsa, OK, United StatesReported employees: 11-50 | Tulsa, OK, United States | 11-50 | Exact match | 35 contacts → |
“Ten-Nine Technologies was founded in 2014 with a dream of creating new materials for new economies.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Anovion Technologiesanoviontech.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 27 contacts → |
“Anovion Technologies is a U.S-owned and based advanced materials business and commercial-scale manufacturer of premium, anode-grade synthetic graphite, in production today.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Amsted Graphite Materialsamstedgraphite.com HQ: Anmoore, WV, United StatesReported employees: 201-500 | Anmoore, WV, United States | 201-500 | Exact match | 27 contacts → |
“Amsted Graphite Materials is a world leader in graphite material science with over 100 years of experience in the carbon and graphite industry.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Ionic Mineral Technologiesionicmt.com HQ: Provo, UT, United StatesReported employees: 11-50 | Provo, UT, United States | 11-50 | Exact match | 21 contacts → |
“Ionic Mineral Technologies is a U.S-based, vertically integrated producer of advanced materials essential to energy storage, national defense, and clean manufacturing.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Westwater Resourceswestwaterresources.net HQ: Centennial, CO, United StatesReported employees: 11-50 | Centennial, CO, United States | 11-50 | Exact match | 19 contacts → |
“Westwater Resources Inc.(NYSE American: WWR) is focused on developing battery-anode natural graphite materials for advanced batteries.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | American Energy Technologies Companyusaenergytech.com HQ: Arlington Heights, IL, United StatesReported employees: 11-50 | Arlington Heights, IL, United States | 11-50 | Exact match | 18 contacts → |
“American Energy Technologies Co.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Ecellix INCecellix.com HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 11 contacts → |
“Ecellix's breakthrough eCell™ high Silicon-content anode technology is a proud winner of the prestigious Global Innovation Award.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Sylvatex SVXsylvatex.com HQ: Alameda, CA, United StatesReported employees: 11-50 | Alameda, CA, United States | 11-50 | Exact match | 11 contacts → |
“Sylvatex (SVX) is an advanced materials technology company transforming how lithium-ion batteries are manufactured.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Paraclete Energyparacleteenergy.com HQ: Chelsea, MI, United StatesReported employees: 1-10 | Chelsea, MI, United States | 1-10 | Exact match | 9 contacts → |
“Improving lithium-ion battery performance presents a persistent engineering challenge.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Gruenergygruenergylab.com HQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 5 contacts → |
“GruEnergy is a global leader and innovator of silicon anode materials for next generation lithium-ion batteries used in electric vehicles, power tools, consumer electronics, etc.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Rincellrincell.com HQ: San Francisco, United StatesReported employees: 11-50 | San Francisco, United States | 11-50 | Exact match | 3 contacts → |
“Rincell Corporation was founded to accelerate the electrification of high-impact carbon emission products, fostering a sustainable future with a secure supply chain.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Aqualithaqualith.net HQ: Baltimore, MD, United StatesReported employees: 1-10 | Baltimore, MD, United States | 1-10 | Exact match | 3 contacts → |
“AquaLith manufactures next-generation batteries and battery materials.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Tuebor Energytueborenergy.com HQ: Ann Arbor, MI, United StatesReported employees: 1-10 | Ann Arbor, MI, United States | 1-10 | Exact match | 2 contacts → |
“Nanocomposite Engineering for Next Generation Energy Storage” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 18 of 32 company matches
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Hard carbon manufacturers: dataset insights
September 30, 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
32 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 32 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 30, 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 hard carbon manufacturers?
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 hard carbon manufacturers did RevenueBase find based in the United States?
The saved snapshot records 32 matching company records, 1,029 tracked contacts and 495 verified emails. The public preview displays 18 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 30, 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 18 hard carbon manufacturers based in the United States. Snapshot: September 30, 2026. https://revenuebase.ai/companies/hard-carbon-manufacturers/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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