| Business | Phone |
| American Security Systems Inc 8185 E 21st St # F, Indianapolis 46219 | (317) 898-2870 |
| Associated Investigators Inc Po Box 40685, Indianapolis 46240 | (317) 571-0375 |
| Atwells Investigative Svc 1050 N College Ave, Indianapolis 46202 | (317) 685-1288 |
| Brownstone Investigations 4904 Winston Dr, Indianapolis 46226 | (317) 546-8803 |
| Creekbaums Professional 4030 S Meridian St, Indianapolis 46217 | (317) 784-7712 |
| Derbique Investigations 7517 Old Oakland Blvd West Dr, Indianapolis 46236 | (317) 823-8196 |
| Diamond Detective 1711 N Shadeland Ave, Indianapolis 46219 | (317) 352-1472 |
| Fisher Investigations 22 N Delaware St # C, Indianapolis 46204 | (317) 955-2377 |
| Green Consulting Group Inc 8081 Madison Ave, Indianapolis 46227 | (317) 780-1800 |
| Hurley & Assoc 244 N College Ave, Indianapolis 46202 | (317) 347-0178 |
| Vandermoere & Macke 4008 W 79th St, Indianapolis 46268 | (317) 299-1219 |
| Vin Inc Indianapolis 46268 | (317) 337-0846 |
| Vin Investigations 8645 Guion Rd, Indianapolis 46268 | (317) 824-1154 |
| Unified Investigation Science 7738 Moller Rd, Indianapolis 46268 | (317) 334-9170 |
| Six Sense Detective Agency 1842 Winfield Ave, Indianapolis 46222 | (317) 917-2308 |
| Spy Shop 10059 E Washington St, Indianapolis 46229 | (317) 895-7661 |
| Ron Hofer & Assoc 2808 Lakeshire Ln, Indianapolis 46268 | (317) 876-7870 |
| Phenix Investigations Inc 6838 S East St, Indianapolis 46227 | (317) 637-5780 |
| Ple Group Indianapolis 46268 | (765) 945-7460 |
| Private Research Group 3216 N Pennsylvania St, Indianapolis 46205 | (317) 923-2667 |
| Myers Investigations Inc 8144 Madison Ave, Indianapolis 46227 | (317) 865-1006 |
| Mercury Investigations Po Box 29426, Indianapolis 46229 | (317) 890-8950 |
| Lauth & Assoc Investigations 5235 Ochs Ave, Indianapolis 46254 | (317) 951-1100 |
| Layton & Layton Pc Inc 6724 Madison Ave, Indianapolis 46227 | (317) 714-2212 |
| Knight's Detective Agency 2946 Clifton St, Indianapolis 46208 | (317) 926-2254 |
| Jack Sandlin & Assoc 516 E Edwards Ave, Indianapolis 46227 | (317) 780-0883 |
| Jordan & Assoc 5652 Georgetown Rd # 252, Indianapolis 46254 | (317) 502-9901 |
| Innovative Investigative 6220 N College Ave, Indianapolis 46220 | (317) 251-8000 |
| Investigations Task Force 151 E Market St, Indianapolis 46204 | (317) 624-1922 |
| Investigative Technology 4455 N Franklin Rd, Indianapolis 46226 | (317) 562-0771 |