| Business | Phone |
| Camp Dresser & Mc Kee Inc 56 Exchange Ter # 4, Providence 2903 | (401) 751-5360 |
| Tutela Engineering Assoc 50 Holden St, Providence 2908 | (401) 861-5990 |
| Tighe & Bond Providence 2903 | (401) 331-1602 |
| H W Lochner Inc 235 Promenade St, Providence 2908 | (401) 831-1520 |
| James J Geremia & Assoc Inc 272 W Exchange St # 201, Providence 2903 | (401) 454-7000 |
| Louis Berger & Assoc 295 Promenade St, Providence 2908 | (401) 521-5980 |
| Rhode Flux 234 Washington St, Providence 2903 | (401) 621-2555 |
| Parsons Brinckerhoff 1 Turks Head Pl # 512, Providence 2903 | (401) 421-2601 |