| Business | Phone |
| Barton Engineering 45 John St, Needham 2494 | (781) 444-7999 |
| Consulting Engineers 100 Crescent Rd, Needham 2494 | (781) 449-6719 |
| Louis Berger & Assoc 75 2nd Ave # 700, Needham 2494 | (781) 444-3330 |
| Halfrey & Assoc Needham 2494 | (781) 449-2570 |