| Business | Phone |
| Bennett & Owens 1230 31st St Nw, Washington 20007 | (202) 625-3330 |
| Boxing Information Commission 2400 E Capitol St Se, Washington 20003 | (202) 543-6006 |
| International Management Group 1801 K St Nw, Washington 20006 | (202) 331-3292 |
| Peak Management Group Inc 700 13th St Nw # 990, Washington 20005 | (202) 783-7833 |
| Phoenix Corp Group 1717 K St Nw, Washington 20036 | (202) 835-0016 |
| Sfx Sports 5335 Wisconsin Ave Nw # 850, Washington 20015 | (202) 686-2000 |
| Strickland & Ashe Management 1090 Vermont Ave Nw # 250, Washington 20005 | (202) 789-1411 |
| Wa Sports & Entrtn 601 F St Nw, Washington 20004 | (202) 661-5000 |