| Business | Phone |
| Imperative Information Group 4401 Trail Lake Dr, Fort Worth 76109 | (817) 921-5286 |
| Investigation Resource Svc Po Box 121963, Fort Worth 76121 | (817) 732-0593 |
| Investigation Services Co 101 Summit Ave, Fort Worth 76102 | (817) 738-6539 |
| Investigations 721 S Cherry Ln, Fort Worth 76108 | (817) 367-2007 |
| J P Shannon & Assoc Po Box 123015, Fort Worth 76121 | (817) 377-0497 |
| Janie Brownlee Investigations 222 W Exchange Ave, Fort Worth 76106 | (817) 624-3311 |
| L T Steffler & Assoc 1 Summit Ave, Fort Worth 76102 | (817) 335-9425 |
| La Rue Investigations Po Box 101432, Fort Worth 76185 | (817) 922-9855 |
| Markum Auto Sales 6620 Azle Ave, Fort Worth 76135 | (817) 237-2262 |
| Katherine Minnich Po Box 100422, Fort Worth 76185 | (817) 920-9552 |
| Northstar Investigations Po Box 163234, Fort Worth 76161 | (817) 281-3776 |
| Paladin Teams 2456 N Houston St, Fort Worth 76106 | (817) 625-1982 |
| Pendergraf Investigation 1400 W 5th St, Fort Worth 76102 | (817) 336-8999 |
| Professional Investigators 201 E Belknap St, Fort Worth 76102 | (817) 885-8040 |
| Professional Investigators 921 N Main St, Fort Worth 76106 | (817) 885-8040 |
| Profile Investigations Fort Worth 76135 | (817) 237-8238 |
| Pyramid Protective Svc Inc Fort Worth 76106 | (817) 624-5845 |
| S A Mc Neill Investigations 1617 Edge Hill Rd, Fort Worth 76126 | (817) 249-8701 |
| Skyview Properties 1216 Lyric Dr, Fort Worth 76134 | (817) 293-7733 |
| Tarrant County Investigations 5009 Saunders Rd, Fort Worth 76119 | (817) 516-0389 |
| Teams Staffing 2456 N Houston St, Fort Worth 76106 | (817) 624-3005 |
| Vestigare Po Box 48781, Fort Worth 76148 | (817) 485-5878 |
| Trackers Investigative Svc 221 Clearwood Dr, Fort Worth 76108 | (817) 448-8727 |
| Advantage Investigative Svc Po Box 11164, Fort Worth 76110 | (817) 923-8000 |
| Boswell International Po Box 162055, Fort Worth 76161 | (817) 737-3777 |
| Bottom Line Investigations 1111 E Berry St, Fort Worth 76110 | (817) 926-7579 |
| Bray & Freeman Lp 4916 Camp Bowie Blvd 204, Fort Worth 76107 | (817) 596-9255 |
| Checkmate Investigations Fort Worth 76118 | (817) 589-0406 |
| Data Screen 5280 Trail Lake Dr, Fort Worth 76133 | (817) 294-7671 |
| Desirick L Duncan & Assoc Fort Worth 76116 | (817) 560-8007 |
| Drake Monty & Assoc 4040 Fossil Creek Blvd # 210, Fort Worth 76137 | (817) 847-9400 |
| E R Investigative Network 6777 Camp Bowie Blvd 125, Fort Worth 76116 | (817) 377-4342 |