| Business | Phone |
| Abbott Investigations Inc 2816 E 51st St # 200, Tulsa 74105 | (918) 592-7087 |
| Ashley & Ashley Inc 9399 E 46th St # C, Tulsa 74145 | (918) 665-1544 |
| Baker & Baker Ltd 3424 S Delaware Ave, Tulsa 74105 | (918) 744-0054 |
| Bill L Howard & Co Po Box 4120, Tulsa 74159 | (918) 583-8002 |
| Bird Dog Investigations Po Box 690741, Tulsa 74169 | (918) 250-6817 |
| Bpi Investigations Tulsa 74105 | (918) 494-4800 |
| Claim Research Svc 2121 S Columbia Ave # 600, Tulsa 74114 | (918) 744-1550 |
| Cliff Johnson Fire & Explosion 9142 E 102nd Pl, Tulsa 74133 | (918) 249-0772 |
| Clugston Polygraph 6440 S Lewis Ave # 2700, Tulsa 74136 | (918) 622-7008 |
| Cold Case Investigations 10906 E 2nd St, Tulsa 74128 | (918) 438-9900 |
| Cook Detective Agency 4528 S Sheridan Rd # 103, Tulsa 74145 | (918) 663-4545 |
| Cox Investigation Agency 5800 S Lewis Ave, Tulsa 74105 | (918) 743-9431 |
| Crow & Assoc Private Invtgtns Tulsa 74145 | (918) 628-1181 |
| Cybernate Investigations Po Box 6991, Tulsa 74116 | (918) 437-2479 |
| David Smith Investigations Po Box 2446, Tulsa 74101 | (918) 743-5603 |
| Eslick & Assoc Investigative 403 S Cheyenne Ave # 1200, Tulsa 74103 | (918) 582-2626 |
| Farish W Whit & Assoc Tulsa 74136 | (918) 481-0069 |
| Found Inc Private Invstgtns 6565 Timberlane Rd, Tulsa 74136 | (918) 629-4069 |
| Frank Howard & Assoc Po Box 521087, Tulsa 74152 | (918) 622-3322 |
| Glanz & Assoc 3807 S Peoria Ave # Gh320, Tulsa 74105 | (918) 742-0075 |
| Herndon & Assoc 13 1/2 E Brady St, Tulsa 74103 | (918) 664-9902 |
| Hes Business Svc 5332 S Memorial Dr, Tulsa 74145 | (918) 624-9499 |
| Hide & Seek 7136 S Yale Ave # 300, Tulsa 74136 | (918) 481-7000 |
| Horn Investigations Tulsa 74145 | (918) 270-2363 |
| Investigation & Recovery 1809 S 84th East Ave, Tulsa 74112 | (918) 610-7262 |
| Jones & Assoc Inc 1611 S Utica Ave, Tulsa 74104 | (918) 583-4779 |
| Ken Sykes Investigations 1381 E Skelly Dr, Tulsa 74105 | (918) 749-8600 |
| Labass Investigative Svc 3601a S Harvard Ave # 314, Tulsa 74135 | (918) 955-1381 |
| Malan Investigations Po Box 50455, Tulsa 74150 | (918) 636-2359 |
| War Eagle Svc 2548 E 25th Pl, Tulsa 74114 | (918) 835-0999 |
| Usis Commercial Svc Div 4500 S 129th East Ave # 200, Tulsa 74134 | (580) 205-6129 |
| Third Degree Corp Tulsa 74136 | (918) 481-7000 |
| Thunder Enterprises Inc 1521 S Denver Ave, Tulsa 74119 | (918) 607-3333 |
| Oklahoma Special Invstgtns 11313 E 16th St, Tulsa 74128 | (918) 439-9580 |
| Parnell & Assoc Tulsa 74133 | (918) 254-8612 |
| Sting Investigations 7941 E 57th St # 3, Tulsa 74145 | (918) 361-6790 |
| Pretrib Investigations 6532 E 71st St, Tulsa 74133 | (918) 493-3343 |
| Rex Merritt & Assoc Tulsa 74145 | (918) 693-8121 |
| Scott A Carter & Assoc Tulsa 74136 | (918) 497-1292 |
| Shadow Investigations Intl 1710 S Boston Ave, Tulsa 74119 | (918) 583-8282 |
| Sulivant & Sulivant Investigations 201 W 5th St Suite 520, Tulsa 74103 | (918) 895-2530 |