| Business | Phone |
| William Balkus Assoc 10 S Main St # 201, Topsfield 1983 | (978) 887-3351 |
| Benjamin Nutter Assoc 363 Boston St, Topsfield 1983 | (978) 887-9836 |
| Padjen Architects Inc 50 Cross St, Topsfield 1983 | (978) 887-6400 |
| James J Fitzgerald Architects 22 S Main St # 4, Topsfield 1983 | (978) 887-6303 |