| LCLcn Closers Division of Schlage Lock CO LLC | Princeton | IL | Fabricated Metal Product Manufacturing332510 | — | ◇ UNVERIFIED |
| BMBluestone Machine Company | Princeton | WV | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| DHDownard Hydraulics INC | Princeton | WV | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| HWHarper Wyman CO | Princeton | IL | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| IPIndustrial Plating & Machine, Inc., Princeton | Princeton | WV | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| MCMcjunkin CORP | Princeton | WV | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| PMPrinceton Machinery Services, Inc., Princeton | Princeton | WV | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SSSmith System Manfacturing CO | Princeton | MN | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| BMBecker Machine - Tool INC | Princeton | MN | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
 Ideal Industries INC | Princeton | MN | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| SISwantec INC | Princeton | MN | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| APAirway Products INC. | Princeton | MN | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| AMAnoco Metal Services INC | Princeton | MN | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| BSBrake Supply Company Downard Underground, INC. | Princeton | WV | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| BMBrand Manufacturing INC | Princeton | MN | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| FTFontaine Trailer Company | Princeton | KY | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| HEHarts Engine Service | Princeton | WV | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| HCHeritage Custom Fabricators | Princeton | IN | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| HMHighway Machine Company, INC | Princeton | IN | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| JMJohnson Machine Princeton LLC | Princeton | MN | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| SESchult Engineering & Pattern CO. | Princeton | IA | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| UOUsdol Osha- North Aurora | Princeton | IL | Fabricated Metal Product Manufacturing332994 | — | ◇ UNVERIFIED |
