F
| Company Name | County | Tel: No. |
| F Pinkney Engineering | County Durham | |
| Fabmec Ltd. | South Glamorgan | 01446-720000 |
| Fabricated Metals Ltd. | South Yorkshire | 0114-243-8441 |
| Fabricom Controls & Automation Ltd. | North Humberside | 01482-785620 |
| Fanuc Robotics (U K) Ltd. | West Midlands | 024-7663-9669 |
| Fastrax Ltd. | Northamptonshire | 01536-747770 |
| Fata Ltd. | Worcestershire | 01905-613931 |
| Flexicon (Europe) Ltd. | Kent | 01227-374710 |
| Flexiveyor Systems | Staffordshire | 01827-262174 |
| Floveyor International Ltd. | Tyne & Wear | 0191-414-5010 |
| Fort Jason Ltd. | West Midlands | 01384-567165 |
| Forum Engineering Services Ltd. | 020-7237-4627 | |
| Foulds Ltd | West Yorkshire | 01535-667015 |
| Forum Engineering Services Ltd. | 020-7237-4627 |