| Business | Phone |
| 234 Church Street Assoc 234 Church St, New Haven 6510 | (203) 777-6842 |
| Executive Express Business Ctr 155 Temple St, New Haven 6510 | (203) 772-1404 |
| One Century Tower 265 Church St, New Haven 6510 | (203) 498-0803 |
| Franford Properties 139 Orange St, New Haven 6510 | (203) 772-4991 |
| New Haven Business Ctr Llc 91 Shelton Ave, New Haven 6511 | (203) 498-0000 |