Company lists · Data refreshed September 2026
Top 25 Graphite tube manufacturers worldwide
RevenueBase identified 316 graphite tube manufacturers worldwide as of September 2026 and tracks 4,758 professional contacts across them, including 984 with verified work emails. The United States is the largest market and Qingdao the largest hub.
This list covers graphite tube manufacturers worldwide, 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 30, 2026. Country and city lists for graphite tube manufacturers follow the table.
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 tube manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 631 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 377 contacts → | ||||
Strong evidence “Graphite India Limited (GIL) is the pioneer in India for manufacture of Graphite Electrodes as well as Carbon and Graphite Speciality products.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 213 contacts → | ||||
Partial evidence “Resonac Graphite Business Unit provides- Broad portfolio for all steel and non-ferrous applications - Experience with global electric arc furnace (EAF) applications - Regionalized…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 149 contacts → | ||||
Partial evidence “Tokai COBEX is a global company producing high-quality carbon and graphite products.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 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 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 117 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 104 contacts → | ||||
Partial 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 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 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 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 67 contacts → | ||||
Indirect evidence “Fabrication et conception des équipements et pièces réfractaires de haute technologie pour les applications industrielles de pointe.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 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 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 50 contacts → | ||||
Strong 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 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 45 contacts → | ||||
Strong 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 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 35 contacts → | ||||
Partial evidence “Bogala Graphite Lanka PLC is a company based out of Sri Lanka.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 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 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 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 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 23 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 18 contacts → | ||||
Strong evidence “Graphite Materials is developer and manufacturer of carbon components for high temperature processes and furnaces.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 16 contacts → | ||||
Indirect evidence “SCHUPP® Ceramics – High temperature metallic-ceramic products and systems for electric- and combustion-heated furnaces 560 °C – 1.850 °C.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 16 contacts → | ||||
Indirect evidence “SKC Karbon, elektrik, mekanik ve endüstriyel uygulamalarda karbon ve grafit kullanımının vazgeçilmez olduğu sanayi tesislerine, mevcut makine parkı ve deneyimli ekibi ile hizmet…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 21 | 16 contacts → | ||||
Partial evidence “Graphite and technical carbon for electrical, metallurgical, chemical and mechanical applications.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 15 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 15 contacts → | ||||
Indirect evidence “Leader in the design, manufacturing and distribution of industrial high temperature resistant products, Industries 3R is renowned for over 40 years of expertise in research and…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 14 contacts → | ||||
Partial evidence “With over 150 long years of experience in the manufacturing of carbon and graphite products supplemented periodically with technological upgrades and innovations, Graphite COVA…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 14 contacts → | ||||
Partial evidence “CeramSource is a unique supplier of high quality, refractory, fiber insulation, and graphite products.” Source: RevenueBase Database · checked Sep 30, 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 tube manufacturers. 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 tube manufacturers.
- Partial evidence
- Its own public description names part of graphite tube manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name graphite tube manufacturers. 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 316 graphite tube manufacturers worldwide
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Graphite tube manufacturers worldwide at a glance
As of Sep 30, 2026Companies by employee count
Email recency is reported on each country list linked below.
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 tube manufacturers, 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.
- Coverage
- Every country. Country and city lists for graphite tube manufacturers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “graphite tube manufacturers”. 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 tube manufacturers), 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 tube manufacturers, and records with no verified work email.
- 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, 984 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 30, 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.
Graphite tube manufacturers by location
1 lists · largest firstEvery Graphite tube manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 tube manufacturers, 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 tube manufacturers are there worldwide?
RevenueBase identified 316 graphite tube manufacturers worldwide 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 country has the most graphite tube manufacturers?
The United States leads with 42 companies. Every graphite tube manufacturers list by country and city is linked on this page.
Which city has the most graphite tube manufacturers?
Qingdao leads with 8 headquartered companies, followed by Handan (6) and Handan City (5).
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 984 verified decision-maker contacts tracked across these 316 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 30, 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.