| Business | Phone |
| A De Luca & Sons Inc 81 Cognewaugh Rd, Cos Cob 6807 | (203) 661-6134 |
| Wintech Solutions 28 Maplewood Dr, Cos Cob 6807 | (203) 869-8422 |
| W & W Construction Garage 340 Valley Rd, Cos Cob 6807 | (203) 629-2667 |
| W & W Construction Inc 78 Valley Rd, Cos Cob 6807 | (203) 661-5546 |
| Total Concept Inc 77 Valley Rd, Cos Cob 6807 | (203) 869-1802 |
| Belmont Builders Inc 39 Orchard Ct, Cos Cob 6807 | (203) 869-6251 |
| Chimblo Bros 393 Post Rd, Cos Cob 6807 | (203) 869-8550 |
| Designs For Living Inc 76 Sinawoy Rd, Cos Cob 6807 | (203) 661-4544 |
| Pemberwick Building Corp 195 Cat Rock Rd, Cos Cob 6807 | (203) 869-0224 |
| Odell Construction Inc 44 Sinawoy Rd, Cos Cob 6807 | (203) 861-1703 |
| Greenwich Millwork Co 105 River Rd, Cos Cob 6807 | (203) 869-1693 |