| Business | Phone |
| Bechtel Frank & Erickson 1840 Massachusetts Ave # 2, Lexington 2420 | (781) 862-3313 |
| Morehouse Mac Donald & Assoc 18 Muzzey St # 1, Lexington 2421 | (781) 861-9500 |
| Sba Architects 363 Massachusetts Ave # Ll1, Lexington 2420 | (781) 861-7241 |
| Colin Smith Architecture 410 Waltham St, Lexington 2421 | (781) 274-0955 |
| Domenic Sicari Assoc Lexington 2420 | (781) 933-1636 |
| Oldenburg Architecture 16 Burlington St, Lexington 2420 | (781) 862-2275 |
| Dpa Architects 57 Bedford St, Lexington 2420 | (781) 674-2290 |
| Lynn Hopkins 45 Munroe Rd, Lexington 2421 | (781) 863-2585 |
| Incite Architecture 74 Bedford St, Lexington 2420 | (781) 862-3444 |
| John L Davies Aia 18 Prospect Hill Rd, Lexington 2421 | (781) 862-1109 |
| Jon Betts Architects 803 Massachusetts Ave, Lexington 2420 | (781) 861-6150 |
| Janovsky-Hurley Architect Inc 1656 Massachusetts Ave, Lexington 2420 | (781) 863-1226 |