Manufacturing
1,942 verified companies in 49 states
- California 232
- Ohio 131
- Texas 129
- Illinois 124
- Wisconsin 115
- New York 113
- Pennsylvania 92
- Florida 79
- Michigan 78
- Minnesota 63
- North Carolina 63
- Georgia 52
- Indiana 52
- Massachusetts 41
- New Jersey 41
US B2B companies by industry and state
Secwyn has verified 7,826 US manufacturers, contractors, professional service firms and distributors. Pick an industry to see how its companies split by state, size and specialty, then open any of the 57 state pages for the local picture. Company names stay hidden until you create an account.
Construction
3,301 verified companies in 50 states
- California 345
- Texas 324
- Florida 234
- Ohio 157
- New York 150
- Illinois 129
- Pennsylvania 119
- Georgia 117
- Michigan 113
- North Carolina 101
- Colorado 94
- Arizona 93
- Massachusetts 92
- Washington 90
- Virginia 84
- Maryland 82
- New Jersey 76
- Wisconsin 74
- Indiana 69
- Tennessee 67
- Minnesota 65
- Utah 56
- Missouri 55
Professional Services
1,937 verified companies in 50 states
- California 215
- Texas 205
- Florida 129
- New York 127
- Illinois 93
- New Jersey 80
- Ohio 78
- Pennsylvania 73
- Virginia 66
- Georgia 64
- Michigan 64
- Colorado 53
- Massachusetts 52
- Maryland 49
Distribution & Logistics
646 verified companies in 44 states
All distribution & logistics statesFind the companies that 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.