1. Hills Electrical Ltd West Quay Shopping Development
2. S.E.C. Ltd R.A.F Odiham
3. Drake & Scull Facilities Ltd I.B.M North Harbour
4. Drake & Scull Facilities Ltd Southampton Docks
5. Power Services Ltd H.M.P. Goldingley
6. Integral Ltd H.M.S Dolphin
7. Carlton Electrical Ltd Hammersmith, London
8. Scottish & Southern Energy Ltd Heathrow Airport
9. Specialist Engineering Contracting Ltd D.E.R.A Farnborough
10 Drake & Scull Facilities Ltd Gibralta Barracks
11 Power Services Ltd D.E.R.A Bincleavers (Portland)
12 S.E.C Ltd Lillys (Basingstoke)
13 Hills Electrical Ltd Green Park, Reading
14 S.E.C Ltd Deepcut Barracks
15 Scottish & Southern Energy Ltd Fawley Oil Refinery
16 Scottish & Southern Energy Ltd Portland
17 Drake & Scull Facilities Ltd Aldermaston