Some of the Companies that have had experience with CE Avanti
| 3D Reid |
| Allied and Morrison |
| AMEC |
| ARUP |
| Atkins |
| BAA |
| Balfour Beatty |
| BDP |
| Black & Veatch |
| Bovis |
| British Land |
| BSRIA |
| Buro Happold |
| Capita Percy Thom,as |
| Capita Symonds |
| Carillion |
| Carl Bro |
| CN&M |
| Costain |
| Davis Langdon |
| EPR |
| Excitech |
| Faber Maunsell |
| Gable |
| gehry |
| Halcrow |
| HBG |
| Hoare LEA |
| HOK |
| Hyder |
| Lang O'Rourke |
| Manchester City Council |
| Mott MacDonald |
| MWH |
| NG Bailer & Co |
| RICS |
| Roberts & Partners |
| RW Gregory LLP |
| Sir Robert McAlpine |
| Skanska |
| Slough Estates |
| Somerfield |
| Stent |
| Taylor Woodrow |
| Thames Water |
| The Studio Fab network |
| TPS |
| Waterman Group |
| Wates |
| Whitby Bird |
| WSP |
| ZBP |