| Business | Phone |
| Antonucci & Assoc 444 Washington Ave # A, North Haven 6473 | (203) 239-2255 |
| Donald Baerman Aia Architect L 42 Wayland St, North Haven 6473 | (203) 288-8911 |
| Fredricksen & Guido 15 Broadway, North Haven 6473 | (203) 239-7665 |
| Hoffmann Architects 432 Washington Ave, North Haven 6473 | (203) 239-6660 |
| Mead Group 7 Cloudland Rd, North Haven 6473 | (203) 234-9456 |
| Jeffrey L Elovitz Assoc 444 Washington Ave # A, North Haven 6473 | (203) 239-0094 |