| Business | Phone |
| American Trans Communications 2829 Connecticut Ave Nw, Washington 20008 | (202) 986-4550 |
| Berlitz Interpretation Svc 1730 Rhode Island Ave Nw # 308, Washington 20036 | (202) 331-1887 |
| Composys International 3707 Fessenden St Nw, Washington 20016 | (202) 686-4115 |
| Etcetera Language Group Inc 816 I St Ne, Washington 20002 | (202) 547-2977 |
| French Language Svc 1001 Connecticut Ave Nw # 504, Washington 20036 | (202) 887-8060 |
| French Translation & Interpret 2500 Wisconsin Ave Nw, Washington 20007 | (202) 236-3530 |
| G Demations & Assoc 1633 Connecticut Ave Nw, Washington 20009 | (202) 328-5444 |
| German Translating & Interpret 4925 Upton St Nw, Washington 20016 | (202) 363-6245 |
| Hispanic Service Ctr 1805 Belmont Rd Nw # 205, Washington 20009 | (202) 234-3435 |
| International Language Svc 1717 K St Nw, Washington 20036 | (202) 508-1477 |
| International Trade Info Ctr 1605 Suter Ln Nw, Washington 20007 | (202) 333-2962 |
| International Translations Ctr 3720 R St Nw, Washington 20007 | (202) 471-4302 |
| Ispeak Translation 1617 Swann St Nw, Washington 20009 | (202) 234-5515 |
| Japan Interface 500 N Capitol St Nw, Washington 20001 | (202) 393-3333 |
| Language Doctors 500 H St Ne # 300, Washington 20002 | (202) 544-2942 |
| Language Innovations 1225 I St Nw # 500, Washington 20005 | (202) 789-3131 |
| Mfm Simultaneous Interprtn 1225 J St Nw # 500, Washington 20005 | (202) 347-2725 |
| Multi Cultural Community Svc 2437 15th St Nw, Washington 20009 | (202) 238-9355 |
| Multinational Translations Svc 1099 22nd St Nw # 601, Washington 20037 | (202) 887-1151 |
| Newoman Interpreting Svc 4352 F St Se, Washington 20019 | (202) 575-8438 |
| Partners In Sign 1817 E Capitol St Se, Washington 20003 | (202) 638-5630 |
| Semiotic Communications 4114 Davis Pl Nw, Washington 20007 | (202) 337-1123 |
| Sohsei Inc 1717 Pennsylvania Ave Nw, Washington 20006 | (202) 452-1717 |
| Spanish Division-United Tel 1110 6th St Nw, Washington 20001 | (202) 289-4411 |
| Techtrans Inc 1700 Pennsylvania Ave Nw # 400, Washington 20006 | (202) 349-7131 |
| Howard Teicher 4331 Reno Rd Nw, Washington 20008 | (202) 244-8500 |
| Visual Language Interpreting 1300 New Hampshire Ave Nw, Washington 20036 | (202) 464-6800 |
| Als Intl Conference Intrptng 733 15th St Nw # 700, Washington 20005 | (202) 887-8060 |
| Transemantics Inc 4301 Connecticut Ave Nw # 146, Washington 20008 | (202) 362-7386 |
| Transperfect Translation Inc 1101 Pennsylvania Ave Nw, Washington 20004 | (202) 347-2300 |