| Business | Phone |
| National Roofing Co Inc Guilford 6437 | (203) 453-0601 |
| New England Building 478 Saw Mill Rd, Guilford 6437 | (203) 458-9545 |
| New Haven Restoration Co 165 Dromara Rd, Guilford 6437 | (203) 453-1960 |
| Glenn R Gundersen Co 369 S Union St, Guilford 6437 | (203) 453-3571 |
| Kruger Window & Siding Guilford 6437 | (203) 458-0336 |