| Business | Phone |
| Accurate Investigations Po Box 581014, Tulsa 74158 | (918) 230-2129 |
| Don Bradford Special Invstgtns 8988l S Sheridan Rd # 106, Tulsa 74133 | (918) 494-7997 |
| Henson Detective Agency 6440 S Lewis Ave # 2700, Tulsa 74136 | (918) 749-7275 |
| Jarvis International Intlgnc 11720 E 21st St, Tulsa 74129 | (918) 437-1100 |
| Walt Casey & Assoc Po Box 50082, Tulsa 74150 | (918) 583-6856 |
| Srt Investigations Po Box 35403, Tulsa 74153 | (918) 481-6045 |
| Skidmore Detective Llc 8819 S 92nd East Ct, Tulsa 74133 | (918) 307-2803 |
| Sulivant & Sulivant Investigations 201 W 5th St Suite 520, Tulsa 74103 | (918) 895-2530 |