| Business | Phone |
| Johnson Investigative Svc Po Box 38272, Charlotte 28278 | (704) 583-0991 |
| Aset Corp 1811 Sardis Rd N # 207, Charlotte 28270 | (704) 708-5785 |
| Barefoot Private Investigation 1011 E Morehead St # 110, Charlotte 28204 | (704) 377-1000 |
| W A Rowland Investigations 6101 Idlewild Rd # 210i, Charlotte 28212 | (704) 563-0570 |
| Tryon Group Charlotte 28277 | (704) 759-0028 |
| North American General 229 S Brevard St # 104, Charlotte 28202 | (704) 334-3463 |
| Phoenix Investigations 9040 Bremerton Ct, Charlotte 28227 | (704) 568-3022 |
| Pisa & Assoc 6311 Old Providence Rd, Charlotte 28226 | (704) 362-1212 |
| Southeastern Protective Svc Charlotte 28213 | (704) 596-5004 |
| Silent Protocol Inc 5500 Executive Center Dr # 139, Charlotte 28212 | (704) 563-6467 |
| De Lapp Surety Enterprises 321 W 11th St # 200, Charlotte 28202 | (704) 376-3445 |