| Business | Phone |
| Meisner Brem Corp 142 Littleton Rd # 16, Westford 1886 | (978) 772-9196 |
| Civil Solutions 359 Littleton Rd, Westford 1886 | (978) 692-5000 |
| Ludwig Surveying Assoc Inc 3 Littleton Rd # 3, Westford 1886 | (978) 392-5858 |
| Land Tech Consultants Inc 484 Groton Rd, Westford 1886 | (978) 692-6100 |