- 121 security - Port Talbot
- Abbey Access - Port Talbot
- Afan Tyre Discount Centre Ltd - Port Talbot
- Automatic Merchandising Wales Ltd - Port Talbot
- Best Price FS - Port Talbot
- Blackbox - A V - Port Talbot
- Blackwood Wire Products Ltd - Port Talbot
- British Rototherm - Port Talbot
- British Rototherm Company Ltd - Port Talbot
- Celtic Chemicals LTD - Port Talbot
- Clean Plastic Mouldings Ltd - Port Talbot
- CoolEasy Ltd - Port Talbot
- Cornelius Electronics Ltd - Port Talbot
- Crown Security Group - Port Talbot
- Cultech - Port Talbot
- Elma Electronic Inc - Port Talbot
- First Corporate Clothing Ltd - Port Talbot
- Fluid Power Solutions - Port Talbot
- Glamorgan Electrical Ltd - Port Talbot
- Heateasy.co.uk - Port Talbot
- Knight Services - Port Talbot
- Krane Engineering Ltd - Port Talbot
- Lasers Are Us - Port Talbot
- M P N Windows Doors & Conservatories - Port Talbot
- Martyn Todd Packaging Ltd - Port Talbot
- Michton Ltd - Port Talbot
- Montagne Jeunesse - Port Talbot
- Nolan Roadmarking Ltd - Port Talbot
- Quantum CAD Ltd - Port Talbot
- Rhino Systems - Port Talbot
- Select Signs Ltd - Port Talbot
- Silurian Securities - Port Talbot
- Site Heat Treatment Services Ltd - Port Talbot
- Te-bar Machine Tool Services Ltd - Port Talbot
- Texturing Technology Ltd - Port Talbot
- Tollgate Hardware - Port Talbot
- Vega Nutritionals - Port Talbot
- Wernick Buildings Ltd - Port Talbot