| Company name | Based in |
|---|---|
| GS Tech Elec Ltd | Plymouth, Devon, PL7 |
| Gsr Bespoke Carpentry | Lee, London, SE12 |
| Gtown Property Maintenance | Glasgow, Glasgow City, G40 |
| Gtr Developments | Twickenham, London, TW2 |
| Gurra Construction | Fulham, London, SW6 |
| Gurra Construction Ltd | Islington, London, EC1 |
| Gutterpro | Barry, South Glamorgan, CF62 |
| GVW Construction | Lockwood, Huddersfield, West Yorkshire, HD1 |