| Academy of Experts |
| Association of Consulting Engineers |
| Chartered Institute of Arbitrators |
| Chartered Institute of Building Services Engineers |
| Construction Industry Council |
| Civil Engineering Contractor's Association |
| Construction Clients' Forum |
| Construction Industry Board |
| Institution of Chemical Engineers |
| Institution of Civil Engineers |
| Institution of Civil Engineering Surveyors |
| Institution of Electrical ( IEE ) Engineers |
| Institution of Mechanical Engineers |
| Royal Institute of British Architects |
| RICS - Chartered Surveyors Online Homepage |
| The Chartered Institute of Building |
| The Society of Construction Law |
| The University of Central England |
| The Centre for the Built Enviroment (UCE) |
The Chartered Institute of Arbitrators London Branch -