- Ace General Engineering Ltd - TR7 2NY
- Buzz Interactive - TR7 2BP
- C D A - TR7 2AG
- Euro Acoustics Holdings Ltd - TR7 1TW
- I T P Electrical - TR7 3AN
- Kernow Satellites - TR7 3JJ
- Oltco Ltd - TR7 1LY
- Percomm - TR7 3DH
- PSD Electronics - TR7 2SX
- Scantech Ltd - TR7 4JZ