| Business | Phone |
| Commonwealth Investigative 1250 Bardstown Rd, Louisville 40204 | (502) 454-3435 |
| Complete Investigations Bureau Po Box 24241, Louisville 40224 | (502) 584-1881 |
| Confidential Investigation 1250 Bardstown Rd, Louisville 40204 | (502) 899-9185 |
| Executive Investigative Agency 1250 Bardstown Rd, Louisville 40204 | (502) 452-6614 |
| Grady L Throneberry & Assoc 9017 Fawn Ct, Louisville 40242 | (502) 426-8044 |
| Investigations Unlimited Llc 12700 Shelbyville Rd 300, Louisville 40243 | (502) 587-1178 |
| A Red Flag Investigations Po Box 99277, Louisville 40269 | (502) 228-8797 |
| Adler Hessig & Assoc 15500 Deer Run Rd, Louisville 40299 | (502) 583-2453 |
| Lewis Enterprises & Assoc Inc 10602 Findon Ct, Louisville 40243 | (502) 244-7839 |
| Louisville Investigations 9801 Taylorsville Rd, Louisville 40299 | (502) 267-5557 |
| Payton Investigations Llc Louisville 40214 | (502) 376-8393 |
| Whitehall Bureau Investigators 9431 Huntsinger Ln, Louisville 40222 | (502) 326-2617 |