| Business | Phone |
| Tekton Preux Architects 1073 Whitney Ave, Hamden 6517 | (203) 787-9212 |
| Silver Petrucelli & Assoc 3190 Whitney Ave # 2, Hamden 6518 | (203) 230-9007 |
| Roche-Dinkeloo & Assoc 20 Davis St, Hamden 6517 | (203) 777-7251 |
| De Carlo & Doll Inc 1952 Whitney Ave # 2, Hamden 6517 | (203) 288-4067 |
| Edificio Inc 17 Hamden Park Dr, Hamden 6517 | (203) 281-6673 |
| Edward E Cherry & Assoc 60 Connolly Pkwy # 15a, Hamden 6514 | (203) 281-1300 |
| Emery Associates 51 Mill Rock Rd, Hamden 6517 | (203) 777-7800 |
| Huestis Tucker Architects 2349 Whitney Ave, Hamden 6518 | (203) 248-1007 |
| Martin A Benassi Aia Architect 2 Broadway, Hamden 6518 | (203) 281-5000 |
| Maier & Giannelli 102 Lane St, Hamden 6514 | (203) 288-4901 |
| Johnson & Michalsen 896 Dunbar Hill Rd, Hamden 6514 | (203) 288-1636 |