| Business | Phone |
| Wackenhut Corp 67 S Bedford St # 302w, Burlington 1803 | (781) 425-6800 |
| Allied Security 7 Executive Park, Burlington 1803 | (781) 272-1423 |
| Astaro Corp 3 New England Executive Park, Burlington 1803 | (781) 272-8787 |
| B Wary Security 60 Mall Rd # 210, Burlington 1803 | (781) 229-9279 |