| Business | Phone |
| Bell & Howell Info & Learning 14000 Quail Springs Pkwy # 450, Oklahoma City 73134 | (405) 752-1083 |
| Commodity Information Systems 3030 Nw Expressway St # 725, Oklahoma City 73112 | (405) 604-8726 |
| Criss Cross Information Svc Po Box 720230, Oklahoma City 73172 | (405) 604-0003 |
| Downtown Parking Information 100 W Sheridan Ave, Oklahoma City 73102 | (405) 235-7275 |
| Git Inc 1141 N Robinson Ave # 301, Oklahoma City 73103 | (405) 524-2833 |
| Info Page Publishing 112 Nw 132nd St, Oklahoma City 73114 | (405) 476-4636 |
| National Fire Info Council 3608 Nw 47th St, Oklahoma City 73112 | (405) 943-9200 |