Company lists · Data refreshed September 2026
Top 25 Graphite suppliers based in the United States
RevenueBase identified 93 graphite suppliers headquartered in the United States as of September 2026 and tracks 2,288 professional contacts across them, including 797 with verified work emails. Chagrin Falls is the largest hub.
This list covers graphite suppliers headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 graphite suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 631 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 138 contacts → | ||||
Partial evidence “Innovating since 1917, Superior Graphite provides continuous electro-thermal treatment/purification of graphite & carbons, advanced sizing, and custom-mix technologies for…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 134 contacts → | ||||
Indirect evidence “Over 50+ years of Entegris’ POCO Materials have set the standard for a variety of industries.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 127 contacts → | ||||
Indirect evidence “NOVONIX is building a resilient North American supply chain for critical minerals and battery materials.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 117 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 104 contacts → | ||||
Strong evidence “The World’s Carbon and Graphite Source since 1895 For more than a century, Asbury Carbons has supplied quality carbon and graphite products for use in a wide range of applications…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 79 contacts → | ||||
Indirect evidence “As a pioneer in our industry, Tokai Carbon GE LLC is determined to help build America every day, and fulfill the role as an integral part of our nation's future.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 73 contacts → | ||||
Partial evidence “After more than 50 years providing carbon and graphite machining solutions, MWI has earned a reputation for leading the industry in precision manufacturing.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 57 contacts → | ||||
Partial evidence “NeoGraf Solutions, LLC, a world leader in graphite materials science, has been manufacturing carbon and graphite products for over 135 years in Lakewood, Ohio.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 50 contacts → | ||||
Partial evidence “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.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 47 contacts → | ||||
Indirect evidence “Welcome to Metcar!” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 45 contacts → | ||||
Partial evidence “EGC Enterprises engineers high-performance flexible graphite solutions for sealing and thermal management in the world’s most demanding environments.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 45 contacts → | ||||
Partial evidence “SANGRAF International is a fully integrated global manufacturer of premium graphite electrodes for the steel, ferrous and non-ferrous metal industries.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 40 contacts → | ||||
Indirect evidence “Businesses that have a high cost of failure depend on Graphel Carbon Products.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 35 contacts → | ||||
Partial evidence “Contact: sales@avcarb.com (978) 452-8961 AvCarb Material Solutions is a leading supplier of Engineered Carbon products for mission-critical applications including Friction…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 28 contacts → | ||||
Partial evidence “Carbon Composites, Inc, is an established name in the world of high temperature graphite furnace insulation and carbon/carbon composites, specializing in the design and…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 27 contacts → | ||||
Partial evidence “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.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 27 contacts → | ||||
Partial evidence “Amsted Graphite Materials is a world leader in graphite material science with over 100 years of experience in the carbon and graphite industry.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 26 contacts → | ||||
Indirect evidence “For over 50 years, Hiller Carbon has delivered reliable carbon products to EAF steel, foundry, refractory, and specialty industries worldwide.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 20 contacts → | ||||
Partial evidence “The Kish Company is a leading manufacturer and supplier of industrial minerals, extenders, additives and pigments to the plastic, paint, rubber, ink, and sealant industries.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 19 contacts → | ||||
Indirect evidence “General Graphene Corporation is a leading industrial-scale manufacturer of chemical vapor deposition (CVD) roll-to-roll graphene and carbon materials.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 19 contacts → | ||||
Partial evidence “Westwater Resources Inc.(NYSE American: WWR) is focused on developing battery-anode natural graphite materials for advanced batteries.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 18 contacts → | ||||
Indirect evidence “Every Semco Carbon solution is engineered from the ground up with our client's budget, goals, and expectations in mind.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 15 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 14 contacts → | ||||
Strong evidence “CeramSource is a unique supplier of high quality, refractory, fiber insulation, and graphite products.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: graphite suppliers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names graphite suppliers.
- Partial evidence
- Its own public description names part of graphite suppliers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name graphite suppliers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 93 graphite suppliers based in the United States
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Graphite suppliers based in the United States at a glance
As of Sep 20, 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 93 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among graphite suppliers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “graphite suppliers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names graphite suppliers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among graphite suppliers, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 797 across the full list. 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 20, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names graphite suppliers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many graphite suppliers are there based in the United States?
RevenueBase identified 93 graphite suppliers headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Graftech International LTD, headquartered in Brooklyn Heights, tops this list with the largest team on record.
Which city has the most graphite suppliers?
Chagrin Falls leads with 2 headquartered companies, followed by Chattanooga (2) and Chicago (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 797 verified decision-maker contacts tracked across these 93 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, 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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