| Business | Phone |
| Dudley Foundation 2351 Durham Rd, Guilford 6437 | (203) 457-0770 |
| Guilford Keeping Society 171 Boston St, Guilford 6437 | (203) 453-3176 |
| Henry Whitfield State Museum 248 Old Whitfield St, Guilford 6437 | (203) 453-2457 |
| Hyland House 84 Boston St, Guilford 6437 | (203) 453-9477 |