- A D Plans Ltd - Larkhall
- A E L - Larkhall
- Aps Ltd - Larkhall
- Dtect Security - Larkhall
- Gas Compliance Ltd - Larkhall
- Gilmour Tools Ltd - Larkhall
- J E Sheeran Ltd - Larkhall
- Permag Ltd - Larkhall
- RedLine Electronics Ltd - Larkhall
- Solar Fans (Scotland) Ltd. - Larkhall
- W B Electrical Services Ltd - Larkhall