| Business | Phone |
| Bartlett Communications Inc 1237 28th St Nw, Washington 20007 | (202) 333-5093 |
| Wendell H Cox 1010 Wisconsin Ave Nw, Washington 20007 | (202) 333-6606 |
| Wendell H Cox 3222 N St Nw, Washington 20007 | (202) 333-6606 |
| Positive Communications 5726 Macarthur Blvd Nw, Washington 20016 | (202) 393-0764 |
| Television Communicators Po Box 5437, Washington 20016 | (202) 966-6616 |