Company lists · Data refreshed October 2026

Top 25 Class 100 cleanroom molded or assembled plastics suppliers based in the United States

RevenueBase identified 560 company matches for class 100 cleanroom molded or assembled plastics suppliers associated with the United States as of October 2026 and tracks 15,723 professional contacts across them, including 4,492 with verified work emails. Grand Rapids is the largest hub.

This list covers company matches for class 100 cleanroom molded or assembled plastics suppliers 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 October 23, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 23, 2026 How this list was built
560Companies
15,723Contacts tracked
4,492Verified emails
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The 25 largest class 100 cleanroom molded or assembled plastics suppliers based in the United States

Ranked by team size
Top 25 of 560 company matches for class 100 cleanroom molded or assembled plastics suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 23, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAsheboro, NC, United StatesHQ recorded Oct 23, 20261,001-5,0001,057 contacts →

Exact match

“Founded in 1983, Technimark is a global leader and manufacturer of high-value injection-molded packaging and components serving the consumer packaging, healthcare and industrial…”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
2Exact matchSkaneateles, NY, United StatesHQ recorded Oct 23, 20261,001-5,000522 contacts →

Exact match

“Founded in 1973, Tessy Plastics is a global contract manufacturer headquartered in Skaneateles, NY, specializing in injection molding and custom automated assembly solutions.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
3Exact matchRochester, NY, United StatesHQ recorded Oct 23, 20261,001-5,000393 contacts →

Exact match

“Century Mold is a leading North American plastic injection molder who dominates the automotive industry.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
4Exact matchHayward, CA, United StatesHQ recorded Oct 23, 2026201-500360 contacts →

Exact match

“PLASTIKON INDUSTRIES was established in 1982 with the mission to be recognized as a world-leading plastic and contract manufacturer.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
5Exact matchSt. Louis, MO, United StatesHQ recorded Oct 23, 2026501-1,000341 contacts →

Exact match

“Spartech has 11 U.S.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
6Exact matchAlpharetta, GA, United StatesHQ recorded Oct 23, 2026501-1,000334 contacts →

Exact match

“Pexco is a leading manufacturer of high-performance plastic solutions engineered for manufacturers and end-users across North America.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
7Exact matchCircleville, OH, United StatesHQ recorded Oct 23, 2026501-1,000311 contacts →

Exact match

“EG Industries was founded in 1981 as a Tier 1 supplier to the automotive industry.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
8Exact matchColumbia, MD, United StatesHQ recorded Oct 23, 20261,001-5,000296 contacts →

Exact match

“dlhBOWLES is a premier supplier of innovative engineered plastic solutions to many of the largest corporations and most recognizable brands around the globe in the automotive and…”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
9Exact matchHayward, CA, United StatesHQ recorded Oct 23, 2026201-500194 contacts →

Exact match

“C-Hawk Technology was established in 2006 by a group of managers and technologists coming from the plastic manufacturing industry.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
10Exact matchGrand Rapids, MI, United StatesHQ recorded Oct 23, 2026201-500190 contacts →

Exact match

“Medbio is an ISO 13485:2016 certified, FDA registered contract manufacturer offering innovative manufacturing solutions for the medical device and biotech industries.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
11Exact matchMacomb, MI, United StatesHQ recorded Oct 23, 2026201-500190 contacts →

Exact match

“From Mind to Manufacturing® PTI Engineered Plastics is a leading innovator that utilizes the latest advances in the field of plastic injection molding.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
12Exact matchOxford, CT, United StatesHQ recorded Oct 23, 2026201-500188 contacts →

Exact match

“At PTA Plastics, we are a leading custom injection molder with a passion for precision and excellence.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
13Exact matchBloomington, IN, United StatesHQ recorded Oct 23, 2026201-500165 contacts →

Exact match

“Cook Polymer Technology (CPT) is the plastic component manufacturing segment of Cook Medical.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
14Exact matchRockland, MA, United StatesHQ recorded Oct 23, 202651-200157 contacts →

Exact match

“Polymer Corporation manufactures close-tolerance plastic parts and assemblies for blue-chip customers with demanding applications worldwide.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
15Exact matchFt. Smith, AR, United StatesHQ recorded Oct 23, 2026501-1,000143 contacts →

Exact match

“Founded in 2014, Quantum Plastics, LLC was created as a holding company by Quantum Ventures of Michigan.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
16Exact matchAshley, IN, United StatesHQ recorded Oct 23, 2026201-500138 contacts →

Exact match

“Ashley Industrial Molding (AIM) is a leading manufacturer of quality custom molded and painted plastic products and assemblies.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
17Exact matchNorth Canton, OH, United StatesHQ recorded Oct 23, 2026501-1,000132 contacts →

Exact match

“Custom molder of high quality elastomeric and thermoplastic components for medical, government, industrial and other markets.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
18Exact matchMeadville, PA, United StatesHQ recorded Oct 23, 2026201-500127 contacts →

Exact match

“Founded in 1962, C&J Industries has evolved into a premier all-in-one plastic injection molding company.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
19Exact matchWest Des Moines, IA, United StatesHQ recorded Oct 23, 2026201-500112 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
20Exact matchZeeland, MI, United StatesHQ recorded Oct 23, 2026201-500105 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
21Exact matchManitowoc, WI, United StatesHQ recorded Oct 23, 2026201-500102 contacts →

Exact match

“Established in 1946, Kaysun has become a go-to partner for the design and development of highly engineered plastic products and assemblies.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
22Exact matchJanesville, WI, United StatesHQ recorded Oct 23, 2026201-50094 contacts →

Exact match

“Established in 1990, GOEX Corporation is a leading manufacturer of custom plastic sheet and roll stock for the medical, print-on-plastic, and food packaging industries.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
23Exact matchGreenville, SC, United StatesHQ recorded Oct 23, 2026201-50094 contacts →

Exact match

“In July of 2010, Alfmeier Friedrichs and Rath was formed to combine the strengths of Alfmeier Corporation and Friedrichs & Rath.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
24Exact matchWilsonville, OR, United StatesHQ recorded Oct 23, 202651-20093 contacts →

Exact match

“Headquartered in Wilsonville, Oregon, Vision Plastics Incorporated is a full service manufacturer of precision plastic products and value-added services for the Healthcare…”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
25Exact matchMentor, OH, United StatesHQ recorded Oct 23, 2026201-50093 contacts →

Exact match

“Royal plastics is a competitive and innovative custom injection molder.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase

Showing 25 of 560 class 100 cleanroom molded or assembled plastics suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 4,492 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Class 100 cleanroom molded or assembled plastics suppliers based in the United States at a glance

As of Oct 23, 2026
28.6%Verified-email coverage
28.1Average contacts per company
11-50Median size (employees)
1.2%Largest-city concentration · Grand Rapids
Oct 23, 2026Page data refreshed

Companies by employee count

1-10
115
11-50
199
51-200
172
201-500
50
501-1,000
14
1,001-5,000
10

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 560 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 “class 100 cleanroom molded or assembled plastics suppliers” 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 4,492 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 October 23, 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 “class 100 cleanroom molded or assembled plastics suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many class 100 cleanroom molded or assembled plastics suppliers are there based in the United States?

RevenueBase identified 560 company matches for class 100 cleanroom molded or assembled plastics suppliers associated with the United States as of October 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?

Technimark LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most class 100 cleanroom molded or assembled plastics suppliers?

Grand Rapids leads with 7 company records, followed by San Antonio (6) and Cleveland (5).

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 4,492 professional contacts with verified work emails tracked across these 560 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 October 23, 2026.

Ready to reach these companies? Verified emails and direct dials for all 560 class 100 cleanroom molded or assembled plastics suppliers 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.