| Business | Phone |
| A & W Security 95 Mill St, Springfield 1108 | (413) 737-7003 |
| Guardian Security Systems 987 Main St, Springfield 1103 | (413) 584-6484 |
| New England Central Security Springfield 1119 | (413) 783-7754 |
| Wards Surveillance Systems 141 Dayton St, Springfield 1118 | (413) 781-8150 |