Manufacturing Companies by State: 1,942 Verified US Firms
Secwyn has verified 1,942 manufacturing companies across 49 states. California (232), Ohio (131), and Texas (129) have the most. The largest groups nationwide are All Other Plastics Product Manufacturing (111); Machine Shops (101); and Commercial Printing (except Screen and Books) (87). By headcount, 77% have 51–200 employees, 17% have 201–500 employees, and 6% fall in other size bands. Size is not yet confirmed for 19. The 15 states below hold 1,405 of them; each has its own page.
Manufacturing companies by state
| State | Verified companies | Share of US total |
|---|---|---|
| Manufacturing in California | 232 | 12% |
| Manufacturing in Ohio | 131 | 7% |
| Manufacturing in Texas | 129 | 7% |
| Manufacturing in Illinois | 124 | 6% |
| Manufacturing in Wisconsin | 115 | 6% |
| Manufacturing in New York | 113 | 6% |
| Manufacturing in Pennsylvania | 92 | 5% |
| Manufacturing in Florida | 79 | 4% |
| Manufacturing in Michigan | 78 | 4% |
| Manufacturing in Minnesota | 63 | 3% |
| Manufacturing in North Carolina | 63 | 3% |
| Manufacturing in Georgia | 52 | 3% |
| Manufacturing in Indiana | 52 | 3% |
| Manufacturing in Massachusetts | 41 | 2% |
| Manufacturing in New Jersey | 41 | 2% |
537 more companies are spread across other states. A state gets its own page once it has enough verified companies.
Largest sub-industries
- All Other Plastics Product Manufacturing111 · 6%
- Machine Shops101 · 5%
- Commercial Printing (except Screen and Books)87 · 4%
- Sheet Metal Work Manufacturing59 · 3%
- Fabricated Structural Metal Manufacturing54 · 3%
- All Other Miscellaneous Fabricated Metal Product Manufacturing45 · 2%
- Toilet Preparation Manufacturing32 · 2%
- Metal Crown, Closure, and Other Metal Stamping (except Automotive)30 · 2%
Company size
- 51–200 employees1,478 · 76%
- 201–500 employees333 · 17%
- 501–1,000 employees101 · 5%
- 1,001–5,000 employees5 · 0%
- 5,000+ employees6 · 0%
- Size not confirmed19 · 1%
See which manufacturing companies fit what you sell
Describe what you sell and Secwyn shows the companies most likely to buy it, with the reasons for each match. Sign up free and your first 3 company reveals are on us: name, website, description with its source, contact channels and the roles to contact.
How Secwyn verifies these companies
- Every company description is a sentence visible on the company's own website. Inside the product, each one links to its source page.
- Each company has a NAICS industry code, the US government standard for classifying businesses.
- All companies are based in the United States. Location and size come from public sources, including company filings and People Data Labs.
Data updated October 6, 2026.