| Business | Phone |
| Woodward Plumbing & Heating 48 School House Rd, Groton 1450 | (978) 448-9212 |
| Wind River Environmental Groton 1450 | (978) 842-8782 |
| Templeton Plumbing & Heating 222 Chicopee Row, Groton 1450 | (978) 448-3040 |
| Norm Card Plumbing Inc 7 Nathan Nutting Rd, Groton 1450 | (978) 448-9203 |
| Littleton Plumbing & Heating 27 Gilson Rd, Groton 1450 | (978) 448-9585 |