| Business | Phone |
| Dama International 1010 Vermont Ave Nw, Washington 20005 | (202) 347-6622 |
| Judiciary Express Travel Inc 710 L St Se, Washington 20003 | (202) 547-3007 |
| Questaways Inc 1460 Rhode Island Ave Nw, Washington 20005 | (202) 234-4040 |
| Sabre Group 1101 17th St Nw # 602, Washington 20036 | (202) 467-8201 |
| Worldwide Assistance Svc Inc 1825 K St Nw # 1000, Washington 20006 | (202) 331-1596 |