| Business | Phone |
| Dec Inc 720 Washington St, Hanover 2339 | (781) 826-4550 |
| South Shore Engineering Team 720 Washington St, Hanover 2339 | (781) 331-4660 |
| Q & W Assoc Consulting Engnrs 1080 Washington St, Hanover 2339 | (781) 826-4144 |
| Lga Engineering 193 Rockland St, Hanover 2339 | (781) 826-8900 |
| Maw Consulting Inc 20 East St, Hanover 2339 | (781) 829-6900 |