Company lists · Data refreshed September 2026

Top 25 Graphite mold manufacturers based in the United States

RevenueBase identified 45 graphite mold manufacturers headquartered in the United States as of September 2026 and tracks 1,684 professional contacts across them, including 614 with verified work emails. Harvard is the largest hub.

This list covers graphite mold manufacturers 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 30, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 30, 2026 86% judged on-target in blind review
45Companies
1,684Contacts tracked
614Verified emails
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The 25 largest graphite mold manufacturers based in the United States

Ranked by team size
Top 25 of 45 graphite mold manufacturers based in the United States, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to graphite mold manufacturers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceBrooklyn Heights, OH, United StatesHQ checked Sep 30, 20261,001-5,000631 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 30, 2026
2Partial evidenceChicago, IL, United StatesHQ checked Sep 30, 2026201-500138 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, 2026
3Indirect evidenceDecatur, TX, United StatesHQ checked Sep 30, 2026201-500134 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, 2026
4Partial evidenceAsbury, NJ, United StatesHQ checked Sep 30, 2026201-500104 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, 2026
5Indirect evidenceCharlotte, NC, United StatesHQ checked Sep 30, 2026201-50079 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 30, 2026
6Partial evidenceRochester, NY, United StatesHQ checked Sep 30, 202651-20073 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, 2026
7Partial evidenceLakewood, OH, United StatesHQ checked Sep 30, 202651-20057 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, 2026
8Strong evidenceNiagara Falls, NY, United StatesHQ checked Sep 30, 202651-20050 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, 2026
9Strong evidenceLivermore, CA, United StatesHQ checked Sep 30, 2026201-50045 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, 2026
10Indirect evidenceWest Chester, OH, United StatesHQ checked Sep 30, 202651-20040 contacts →

Indirect evidence

“Businesses that have a high cost of failure depend on Graphel Carbon Products.”

Source: RevenueBase Database · checked Sep 30, 2026
11Indirect evidenceMaumee, OH, United StatesHQ checked Sep 30, 202651-20036 contacts →

Indirect evidence

“Dedicated to advancing the investment casting industry, we take pride in providing foundries, dental labs, and jewelers with extensive process knowledge, exceptional technical…”

Source: RevenueBase Database · checked Sep 30, 2026
12Partial evidenceLeominster, MA, United StatesHQ checked Sep 30, 202611-5028 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, 2026
13Indirect evidenceLorain, OH, United StatesHQ checked Sep 30, 202611-5018 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 30, 2026
14Indirect evidenceChagrin Falls, OH, United StatesHQ checked Sep 30, 202611-5015 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 30, 2026
15Partial evidenceBeaver Falls, PA, United StatesHQ checked Sep 30, 202611-5014 contacts →

Partial evidence

“CeramSource is a unique supplier of high quality, refractory, fiber insulation, and graphite products.”

Source: RevenueBase Database · checked Sep 30, 2026
16Partial evidenceCuyahoga Falls, OH, United StatesHQ checked Sep 30, 202651-20012 contacts →

Partial evidence

“Reuther, founded in 1950, designs and builds Molds for all black Rubber, Silicone, and TPE/TPR compounds.”

Source: RevenueBase Database · checked Sep 30, 2026
17Indirect evidenceDolton, IL, United StatesHQ checked Sep 30, 202651-20011 contacts →

Indirect evidence

“Since our inception in 1973, Holland Manufacturing has strived to be the most innovative, customer-driven refractory shapes provider in the industry.”

Source: RevenueBase Database · checked Sep 30, 2026
18Indirect evidenceHudson, NY, United StatesHQ checked Sep 30, 202611-5010 contacts →

Indirect evidence

“Saturn Industries, Inc has been the leader in the design and fabrication of EDM (Electrical Discharge Machining) electrodes and tooling since 1959.”

Source: RevenueBase Database · checked Sep 30, 2026
19Partial evidenceHarvard, IL, United StatesHQ checked Sep 30, 202611-5010 contacts →

Partial evidence

“There are two types of graphite used in the industry: natural graphite and synthetic graphite.”

Source: RevenueBase Database · checked Sep 30, 2026
20Indirect evidenceBellevue, WA, United StatesHQ checked Sep 30, 202611-508 contacts →

Indirect evidence

“M.”

Source: RevenueBase Database · checked Sep 30, 2026
21Indirect evidenceCudahy, WI, United StatesHQ checked Sep 30, 202651-2007 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 30, 2026
22Indirect evidencePortage, WI, United StatesHQ checked Sep 30, 202611-507 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 30, 2026
23Indirect evidenceSpringfield, MA, United StatesHQ checked Sep 30, 202611-507 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 30, 2026
24Partial evidenceDingmans Ferry, PA, United StatesHQ checked Sep 30, 20261-107 contacts →

Partial evidence

“CeraMaterials is a global design, manufacturing, distribution and sales organization specializing in high temperature materials including ceramics, ceramic fiber, graphite…”

Source: RevenueBase Database · checked Sep 30, 2026
25Partial evidenceBay City, MI, United StatesHQ checked Sep 30, 202611-505 contacts →

Partial evidence

“Bay Carbon Inc specializes in comprehensive purification services for graphite and felt, along with precision machined graphite parts designed for mechanical and high-temperature…”

Source: RevenueBase Database · checked Sep 30, 2026

Showing 25 of 45 graphite mold manufacturers based in the United States

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Graphite mold manufacturers based in the United States at a glance

As of Sep 30, 2026
36.5%Verified-email coverage
37.4Average contacts per company
11-50Median size (employees)
4.4%Largest-city concentration · Harvard
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
9
11-50
16
51-200
12
201-500
7
1,001-5,000
1

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 45 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 mold 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.
What qualifies
Companies headquartered in the United States whose own description of what they do matches “graphite mold 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 mold 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 mold manufacturers, 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, 614 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.

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 mold 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 mold manufacturers are there based in the United States?

RevenueBase identified 45 graphite mold manufacturers 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 mold manufacturers?

Harvard leads with 2 headquartered companies, followed by Long Beach (2) and Topton (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 614 verified decision-maker contacts tracked across these 45 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.