| Atkins | Project management |
| Psion Teklogix | Hand-held terminals |
| Hitachi Capital Management Ltd | Credit management |
| Atlanco (UK) Ltd | Human resources |
| GPH Datacomms | Data cabling |
| Bose (UK) Ltd | Audio systems |
| One-Tel Ltd | Telecommunications Services |
| Corus | Industrial design consultancy |
| Kalamazoo Security Print Ltd | Business Forms |
| Kellogg Brown & Root Ltd | Engineering services |
| Alfred McAlpine Capital Projects Ltd | Special projects |
| 3CL | Air conditioning |
| Catermaster Ltd | Catering services |
| Voicepath Ltd | Structured wiring systems |
| APCO (UK) Ltd | Signs |
| Kinnarps (UK) Ltd | Office interiors |
| Solomons Europe Ltd | Quantity surveying |
| SQS Group (UK) Ltd | Software |
| City Data Technology Ltd | Voice and data |
| First2office Ltd | Office supplies |
| ROMEC Ltd | Building services and maintenance |
| IKEA (UK) Ltd | Furniture |
| Losberger (UK) Ltd | Building contractors |
| Brookworth Environmental Ltd | Consultancy |
| Carnegie Systems Management Ltd | IT Services |
| Bodet Ltd | Access control |
| Jordan Andrews Ltd | Wood flooring |
| Other Creative Ltd | Direct marketing |
| Welconstruct Ltd | Project management |
| Senate Food Services Ltd | Contract catering |
| Mitie Cleaning Ltd | Contract cleaning |
| Pennant Training Systems Ltd | Training solutions |
| Kensi Workplace Environments Ltd | Office interiors |
| Chroma Vision Ltd | CCTV |
| CTAC Ltd | Security systems |
| Bunzl Vending Services Ltd | Vending equipment |
| Cegelec (UK) Ltd | Building Services |
| Mawsley Machinery Ltd | Construction equipment |
| Dalkia ETS Ltd | Energy services |
| Harrow Green Ltd | Removals services |
| South West Communications Group | Telecommunications Services |
| Videosolutions Ltd | Video conferencing |
| Touch Vision Ltd | Audio visual systems |
| Unigro Ltd | Controlled environments |
| Penlon Ltd | Industrial gases |
| Cyril Sweett Ltd | Project management consultancy |
| Total Lift Care Ltd | Lift maintenance |
| McNicholas Construction Ltd | Building services |
| Bemrose Booth Ltd | Bar coding |