| Business | Phone |
| Arch Data Systems Inc 27 Central St, Lowell 1852 | (978) 452-3436 |
| Paul L Davies & Assoc 635 Rogers St # 4, Lowell 1852 | (978) 459-2154 |
| Hynick Celeste Architect 23 11th St, Lowell 1850 | (978) 453-0797 |
| Jeffrey J Cook Architects Inc 4 Jackson St, Lowell 1852 | (978) 937-1871 |