| Business | Phone |
| Preston Publishing 3703 Partridge Ln, Irving 75062 | (972) 258-0190 |
| Drug Prevention Resources Inc 5525 N Macarthur Blvd, Irving 75038 | (972) 518-1821 |
| Petersen Publishing Co 1516 Phillip Ct, Irving 75060 | (214) 904-9811 |
| Neilsen Media Research 4517 W Pioneer Dr, Irving 75061 | (972) 790-4335 |