| CompanyID | Company | Description | State |
| 1708 | Fabricators Equipment | Industrial Welding and Fabricating Equipment Sales, Service and Rentals. | TX |
| 268 | FIRST Services & Maintenance | Rebuild industrial brakes and clutches. Reline clutch facings, brake bands/shoes. We use hot and cold bond procedures along with riveting. | AL |
| 15 | Fisher-Rosemount | Renamed to Emerson Process Management. A division of Emerson Electric Company. | CA |
| 1083 | Fowler Machining Technologies, Inc. | contract manufacturing for the defense industry | AL |
| 27 | Foxboro | A division of Siebe. | MA |
