| Business | Phone |
| Baystate Investigative Group Saugus 1906 | (781) 941-1450 |
| Rockwell Investigations 317 Central St, Saugus 1906 | (781) 231-7625 |
| Dmw & Assoc 83 Great Woods Rd, Saugus 1906 | (781) 233-0325 |
| M Alexander Bureau-Invstgtns 8 Avon St, Saugus 1906 | (781) 231-2797 |