Company lists · Data refreshed September 2026
Top 25 Manufacturing firms based in the United States
RevenueBase identified 999 manufacturing firms headquartered in the United States as of September 2026 and tracks 16,284 professional contacts across them, including 3,469 with verified work emails. Houston is the largest hub.
This list covers manufacturing firms 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 21, 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 manufacturing firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 391 contacts → | ||||
Strong evidence “Service-Driven Electronics Manufacturing.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 254 contacts → | ||||
Strong evidence “Penn United provides MANUFACTURING SOLUTIONS for customers needing precision components or precision-assembled products.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 233 contacts → | ||||
Indirect evidence “Established in 1946, Major Tool & Machine started business as a custom job shop specializing in the production of tooling and aircraft ground support equipment and has since…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 229 contacts → | ||||
Indirect evidence “NIC Global is a single-source manufacturer providing turn-key mechanical and electromechanical assembly, expert sheet metal fabrication, and global sourcing of metal and plastic…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 228 contacts → | ||||
Indirect evidence “Anchor Fabrication is one of the largest contract metal manufacturers in the United States.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 201 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 197 contacts → | ||||
Strong evidence “Re:Build Manufacturing integrates design, engineering, and manufacturing to deliver complex, multi-technology products from concept through full-rate production.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 195 contacts → | ||||
Strong evidence “Lincoln Manufacturing, Inc.(LMI) is a privately held Corporation, headquartered in Magnolia, TX, with five U.S.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 177 contacts → | ||||
Indirect evidence “Hi-P is a well known global contract manufacturer who specializes in complex electromechanical components.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 166 contacts → | ||||
Indirect evidence “UPG is a US based Original Design Manufacturer (ODM), contract manufacturer, and plastics injection molder.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 136 contacts → | ||||
Strong evidence “Keller Technology Corporation offers a variety of contract manufacturing services providing custom solutions for your business.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 127 contacts → | ||||
Strong evidence “Super Steel is an industry leading contract manufacturer capable of providing a broad range of manufacturing, production fabricating, machining, coating, and assembly services to…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 123 contacts → | ||||
Strong evidence “B&B Manufacturing Co, Inc.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 117 contacts → | ||||
Indirect evidence “Established in 1968 and currently based in Plymouth, Michigan, Skyway employees work as a skilled team creating quality products through ingenuity, flexibility, and attention to…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 115 contacts → | ||||
Indirect evidence “Epec Engineered Technologies is the ideal choice for an OEM seeking customized product solutions from a focused and agile partner having supported over customers across all…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 115 contacts → | ||||
Strong evidence “Applied Aerospace & Defense (Applied) is a public company delivering advanced design, engineering, and vertically integrated manufacturing solutions for leading and next…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 113 contacts → | ||||
Strong evidence “MWW is a US manufacturer in business since 1932 with over one million square feet of manufacturing and distribution space, and bi-coastal US and European operations.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 109 contacts → | ||||
Strong evidence “MERRILL is a highly innovative American small business delivering contract manufacturing services to the defense, aerospace, heavy equipment, automation, energy and transportation…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 102 contacts → | ||||
Indirect evidence “Nelson Miller Group partners with organizations to bring their industrial, IoT, lighting, medical, telecommunications, consumer, and aerospace products to life.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 99 contacts → | ||||
Indirect evidence “Foresight Technologies Inc.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 95 contacts → | ||||
Indirect evidence “We are values-driven people who craft electrical assemblies for partners desiring guaranteed products and on time delivery.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 90 contacts → | ||||
Strong evidence “Flinchbaugh Engineering is an employee-owned contract manufacturing company located in York, Pennsylvania serving select vertical markets in the capital goods sector - heavy…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 90 contacts → | ||||
Indirect evidence “We are very excited to share the news regarding the recent evolution of our company.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 87 contacts → | ||||
Indirect evidence “Schaller Group provides precision metal forming, machining, and assembly expertise for the Automotive, Aerospace, and Commercial Industries.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 86 contacts → | ||||
Strong evidence “From single components and OEM parts and subassemblies to complete manufacturing and engineering capabilities and services, ACEMCO Incorporated is result-oriented, experienced and…” Source: RevenueBase Database · checked Sep 21, 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: manufacturing firms. 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 manufacturing firms.
- Partial evidence
- Its own public description names part of manufacturing firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name manufacturing firms. 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 999 manufacturing firms based in the United States
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Manufacturing firms based in the United States at a glance
As of Sep 21, 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 999 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 manufacturing firms, 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 “manufacturing firms”. 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 manufacturing firms), 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 manufacturing firms, 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, 3,469 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 21, 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 manufacturing firms, 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 manufacturing firms are there based in the United States?
RevenueBase identified 999 manufacturing firms 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?
Sigmatron International, headquartered in Elk Grove Village, tops this list with the largest team on record.
Which city has the most manufacturing firms?
Houston leads with 13 headquartered companies, followed by Fort Worth (9) and San Diego (8).
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 3,469 verified decision-maker contacts tracked across these 999 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 21, 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.