| Business | Phone |
| Wagner Architects 10 Granite St, Quincy 2169 | (617) 328-3533 |
| Bifrost Consulting Inc 431 Adams St, Quincy 2169 | (617) 770-4211 |
| Sar Engineering Inc 10 Granite St # 2, Quincy 2169 | (617) 328-9215 |
| Sjs 225 Water St # 2, Quincy 2169 | (617) 774-0110 |
| Peterson Associates 125 Greenleaf St, Quincy 2169 | (617) 472-3100 |
| Dubin Engineers 40 Willard St, Quincy 2169 | (617) 376-8877 |
| Emc2 Corp 29 Cottage Ave # 8, Quincy 2169 | (617) 773-9423 |