Company lists · Data refreshed September 2026
Top 25 Automotive nut manufacturers based in the United States
RevenueBase identified 208 automotive nut manufacturers headquartered in the United States as of September 2026 and tracks 4,262 professional contacts across them, including 1,125 with verified work emails. Houston is the largest hub.
This list covers automotive nut 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 16, 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 automotive nut manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 245 contacts → | ||||
Strong evidence “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.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 163 contacts → | ||||
Partial evidence “Founded in 1925, MacLean-Fogg offered one lock nut to North America’s railroads.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 161 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 129 contacts → | ||||
Indirect evidence “RFI specializes in Cold Forming, Thread Rolling, Heat Treatment and Surface Treatment of high torque tension bolts, shafts and pins (sizes M8 - M24) as well as supplying a variety…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 126 contacts → | ||||
Strong evidence “Semblex Corporation engineers and manufactures advanced cold-formed fasteners and precision components for critical applications across automotive, industrial, and consumer…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 123 contacts → | ||||
Indirect evidence “Termax Corporation is a dynamic manufacturing and engineering company specializing in metal and plastic fastener solutions.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 122 contacts → | ||||
Partial evidence “Cold Heading Company is known for our footprint of strength, success and longevity in the automotive industry.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 115 contacts → | ||||
Indirect evidence “For over 18 years, MS Aerospace have been manufacturing World Class quality aerospace bolts, aerospace studs, aerospace pins, and screws for even the most challenging aerospace…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 112 contacts → | ||||
Indirect evidence “All-Pro Fasteners, Inc.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 82 contacts → | ||||
Partial evidence “Since 1977, Ramco Specialties has partnered with OEMs worldwide as a trusted manufacturer and supplier of critical threaded and non-threaded fasteners, delivering engineered…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 63 contacts → | ||||
Indirect evidence “AmeriBolt was created in 2005 to provide better service to fastener distributors in the Southeast and Gulf Coast states.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 62 contacts → | ||||
Partial evidence “Alpha first began as a high-volume commodity manufacturer and grew into an engineering and product development based manufacturer.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 61 contacts → | ||||
Indirect evidence “Sherex Fastening Solutions is the industry’s first choice in solving engineered fastening challenges.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 61 contacts → | ||||
Partial evidence “Federal Screw Works was formed in 1917 as a domestic manufacturer of industrial component parts.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 61 contacts → | ||||
Strong evidence “P&R is a global leader in the manufacture and supply of specialty fasteners, mechanical components and assemblies to Automotive and Industrial OEMs.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 51 contacts → | ||||
Indirect evidence “Sunright America Inc.(SRA) is a premier fastener manufacturing company in Columbus, Indiana.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 49 contacts → | ||||
Indirect evidence “For over 110 years, Portland Bolt has provided top-quality industrial and nonstandard fasteners, delivered on our customers’ schedules.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 45 contacts → | ||||
Indirect evidence “Stafast Products, headquartered in Cleveland, Ohio, has been leading the industrial fastener industry since 1958.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 44 contacts → | ||||
Partial evidence “For more than 100 years, Auveco® (Auto-Vehicle Parts, LLC) has helped keep the automotive industry moving by delivering specialty automotive and industrial fasteners professionals…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 41 contacts → | ||||
Indirect evidence “Fasnap has been serving the industrial fastener industry for over 40 years.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 39 contacts → | ||||
Partial evidence “Interstate Threaded Products (ITP) manufactures specialty threaded fasteners that are used in the petrochemical, communication/power generation, road and building construction…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 39 contacts → | ||||
Partial evidence “We are a leading manufacturer of cold-headed fastening solutions for the global marketplace.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 37 contacts → | ||||
Partial evidence “Craftech Industries produces high performance plastic fasteners and hardware, including plastic screws, nuts, bolts, threaded rod, and custom parts.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 36 contacts → | ||||
Indirect evidence “Since 1927, Decker has built a reputation for delivering superior products and exceptional performance in fastener processing and manufacturing.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 32 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 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: automotive nut 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 automotive nut manufacturers.
- Partial evidence
- Its own public description names part of automotive nut manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name automotive nut 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 208 automotive nut manufacturers based in the United States
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Automotive nut manufacturers based in the United States at a glance
As of Sep 16, 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 208 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 automotive nut 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 “automotive nut 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 automotive nut 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 automotive nut 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, 1,125 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 16, 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 automotive nut 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 automotive nut manufacturers are there based in the United States?
RevenueBase identified 208 automotive nut 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?
MNP Corporation, headquartered in Macomb, tops this list with the largest team on record.
Which city has the most automotive nut manufacturers?
Houston leads with 8 headquartered companies, followed by Addison (3) and Arlington (3).
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 1,125 verified decision-maker contacts tracked across these 208 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 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 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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