- Ampcontrol UK Ltd - Prestwick
- Carrick Alloys - Prestwick
- Etek Europe - Prestwick
- Fispak Ltd - Prestwick
- GPB Management Consultancy - PRESTWICK
- KVCayr - Prestwick
- Preamclean - Prestwick
- Veracity Uk Ltd - Prestwick
- Wallace McDowall Ltd - Prestwick
- Web Age - Prestwick
- Woodward Aircraft Engine Systems - Prestwick