Company lists · Data refreshed October 2026

Top 25 Insert molded fastener manufacturers based in the United States

RevenueBase identified 163 company matches for insert molded fastener manufacturers associated with the United States as of October 2026 and tracks 5,716 professional contacts across them, including 1,181 with verified work emails. Portland is the largest hub.

This list covers company matches for insert molded fastener 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 October 16, 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 16, 2026 How this list was built
163Companies
5,716Contacts tracked
1,181Verified emails
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The 25 largest insert molded fastener manufacturers based in the United States

Ranked by team size
Top 25 of 163 company matches for insert molded fastener manufacturers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 16, 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 matchDanielson, CT, United StatesHQ recorded Oct 16, 2026501-1,000363 contacts →

Exact match

“SPIROL is a technical resource that provides high quality components that improve the quality of your assembly, extend the life of your products and reduce your manufacturing…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
2Exact matchMacomb, United StatesHQ recorded Oct 16, 2026501-1,000245 contacts →

Exact match

“MNP Corporation, one of the largest manufacturers of fasteners to the “automotive” and “tier one” customers, was established in 1970, and is headquartered in Utica, Michigan.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
3Exact matchSt. Louis, MO, United StatesHQ recorded Oct 16, 202651-200155 contacts →

Exact match

“We specialize in solving technical assembly challenges with tailored fastening and inventory solutions.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
4Exact matchMundelein, IL, United StatesHQ recorded Oct 16, 20261,001-5,000149 contacts →

Exact match

“Founded in 1925, MacLean-Fogg offered one lock nut to North America’s railroads.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
5Exact matchElmhurst, IL, United StatesHQ recorded Oct 16, 2026201-500132 contacts →

Exact match

“Semblex Corporation engineers and manufactures advanced cold-formed fasteners and precision components for critical applications across automotive, industrial, and consumer…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
6Exact matchLake Zurich, IL, United StatesHQ recorded Oct 16, 2026201-500129 contacts →

Exact match

“Termax Corporation is a dynamic manufacturing and engineering company specializing in metal and plastic fastener solutions.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
7Exact matchWellington, OH, United StatesHQ recorded Oct 16, 2026501-1,000128 contacts →

Exact match

“Forest City Technologies (FCT) is a versatile contract manufacturer serving industries such as automotive, aerospace, electronics, industrial machinery, and consumer goods.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
8Exact matchWarren, MI, United StatesHQ recorded Oct 16, 2026201-500124 contacts →

Exact match

“Cold Heading Company is known for our footprint of strength, success and longevity in the automotive industry.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
9Exact matchArnold, MO, United StatesHQ recorded Oct 16, 2026201-500119 contacts →

Exact match

“World class manufacturer of plastic injection molding (and insert/over-molding), metal stamped components as well as tool and die.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
10Exact matchMchenry, IL, United StatesHQ recorded Oct 16, 2026201-500109 contacts →

Exact match

“Fabrïk Molded Plastics is a full service custom injection molding supplier.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
11Exact matchNorth Hollywood, CA, United StatesHQ recorded Oct 16, 202651-20095 contacts →

Exact match

“Engineering design and production of sophisticated fasteners and multi-component fastening systems and devices.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
12Exact matchHudson, OH, United StatesHQ recorded Oct 16, 202651-20089 contacts →

Exact match

“Since 1977, Ramco Specialties has partnered with OEMs worldwide as a trusted manufacturer and supplier of critical threaded and non-threaded fasteners, delivering engineered…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
13Exact matchTonawanda, NY, United StatesHQ recorded Oct 16, 202651-20074 contacts →

Exact match

“Sherex Fastening Solutions is the industry’s first choice in solving engineered fastening challenges.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
14Exact matchSt. Charles, IL, United StatesHQ recorded Oct 16, 202651-20070 contacts →

Exact match

“Microplastics is a world-class insert molding manufacturer committed to producing high volume, highly engineered electromechanical interconnections and components in the most…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
15Exact matchLivonia, MI, United StatesHQ recorded Oct 16, 202651-20065 contacts →

Exact match

“Alpha first began as a high-volume commodity manufacturer and grew into an engineering and product development based manufacturer.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
16Exact matchFarmers Branch, TX, United StatesHQ recorded Oct 16, 202651-20057 contacts →

Exact match

“Shamrock Precision manufactures and sells precision fasteners and machined parts for oil field services, electronic, security, medical, commercial and construction applications.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
17Exact matchPalatine, IL, United StatesHQ recorded Oct 16, 2026501-1,00048 contacts →

Exact match

“Founded in 1953, Intec is a supplier of complex plastic injection and insert molded components for the automotive industry.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
18Exact matchPainesville, OH, United StatesHQ recorded Oct 16, 202651-20047 contacts →

Exact match

“Stafast Products, headquartered in Cleveland, Ohio, has been leading the industrial fastener industry since 1958.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
19Exact matchWheeling, IL, United StatesHQ recorded Oct 16, 202651-20044 contacts →

Exact match

“Abbott-Interfast, a leader & innovator in the fastener industry, is an ISO certified manufacturer and supplier of standard and special products manufactured using various methods…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
20Exact matchElkhart, IN, United StatesHQ recorded Oct 16, 202611-5041 contacts →

Exact match

“Fasnap has been serving the industrial fastener industry for over 40 years.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
21Exact matchHudson, NY, United StatesHQ recorded Oct 16, 202651-20041 contacts →

Exact match

“Craftech Industries produces high performance plastic fasteners and hardware, including plastic screws, nuts, bolts, threaded rod, and custom parts.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
22Exact matchPiqua, OH, United StatesHQ recorded Oct 16, 202651-20037 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
23Exact matchRockford, IL, United StatesHQ recorded Oct 16, 202651-20035 contacts →

Exact match

“Manufacturer of cold headed special fasteners for the following markets: Automotive, Electrical, Recreational, Hardware for hand tools, doors, furniture, Outdoor Power Equipment…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
24Exact matchOakdale, CA, United StatesHQ recorded Oct 16, 202651-20033 contacts →

Exact match

“Haeger, a PennEngineering® Company, manufactures hardware insertion machines, we are the world leader in the development of innovative fastener insertion technology solutions.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
25Exact matchElgin, IL, United StatesHQ recorded Oct 16, 2026201-50033 contacts →

Exact match

“Founded in 1968, Capsonic is a globally recognized expert supplier in customized insert molding and electromechanical assemblies serving Aerospace, Automotive, and Military.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase

Showing 25 of 163 insert molded fastener manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 1,181 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Insert molded fastener manufacturers based in the United States at a glance

As of Oct 16, 2026
20.7%Verified-email coverage
35.1Average contacts per company
11-50Median size (employees)
2.5%Largest-city concentration · Portland
Oct 16, 2026Page data refreshed

Companies by employee count

1-10
36
11-50
61
51-200
42
201-500
14
501-1,000
5
1,001-5,000
5

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 163 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 “insert molded fastener 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 1,181 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 16, 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 “insert molded fastener manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many insert molded fastener manufacturers are there based in the United States?

RevenueBase identified 163 company matches for insert molded fastener manufacturers 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?

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

Which city has the most insert molded fastener manufacturers?

Portland leads with 4 company records, followed by Auburn (3) and Cincinnati (3).

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 1,181 professional contacts with verified work emails tracked across these 163 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 16, 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 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.