| Business | Phone |
| Americans For Better Care-Dyng 4125 Albemarle St Nw, Washington 20016 | (202) 895-9485 |
| Atc Research Inc 4419 15th St Nw, Washington 20011 | (202) 291-1850 |
| Bryant Inquiry Consulting 5505 Connecticut Ave Nw # 152, Washington 20015 | (202) 722-6240 |
| Center For Studying Health 600 Maryland Ave Sw # 550, Washington 20024 | (202) 484-5261 |
| Center-Strategic Budgetary 1730 Rhode Island Ave Nw # 912, Washington 20036 | (202) 331-7990 |
| Consumer Credit Research Fndtn 1500 K St Nw, Washington 20005 | (202) 393-0012 |
| Cornerstone Research 1875 K St Nw # 600, Washington 20006 | (202) 312-1900 |
| Council On Hemispere Affairs 1250 Connecticut Ave Nw # 1c, Washington 20036 | (202) 223-4975 |
| Eastwind Trading & Research 1020 19th St Nw # 400, Washington 20036 | (202) 223-0230 |
| Eye Bank & Research Foundation 9470 Annapolis Rd, Washington 20001 | (202) 393-2265 |
| Federal Research 1030 15th St Nw # 920, Washington 20005 | (202) 783-2700 |
| Fyi Research 1686 Oak St Nw, Washington 20010 | (202) 387-3947 |
| Gdn 2600 Virginia Ave Nw # 1112, Washington 20037 | (202) 338-6350 |
| General Council Roundtable 2000 Pennsylvania Ave Nw, Washington 20006 | (202) 777-5000 |
| Glycemic Research Institute 601 Pennsylvania Ave Nw # 900s, Washington 20004 | (202) 434-8270 |
| Greenberg Quinlan Research 10 G St Ne # 400, Washington 20002 | (202) 478-8330 |
| Greenberg Research Inc 8 7th St Ne, Washington 20002 | (202) 547-9336 |
| Ground Work 1825 I St Nw # 400, Washington 20006 | (202) 429-2070 |
| Hamilton Pharmaceuticals 1825 K St Nw # 707, Washington 20006 | (202) 223-7001 |
| Hudson Institute 1015 18th St Nw # 300, Washington 20036 | (202) 223-7770 |
| Ids Llc 1155 23rd St Nw # 2e, Washington 20037 | (202) 293-1225 |
| Ikg Research Ctr 421 H St Ne, Washington 20002 | (202) 544-4110 |
| Institute For Med Technology 1319 F St Nw # 900, Washington 20004 | (202) 783-0940 |
| Institute For Study-Terrorism 725 15th St Nw, Washington 20005 | (202) 628-5247 |
| International Research & Exch 1616 H St Nw # 6, Washington 20006 | (202) 661-3500 |
| James Mintz Group Inc 1150 18th St Nw # 500, Washington 20036 | (202) 293-3501 |
| Japan Atomic Energy Research 1825 K St Nw # 508, Washington 20006 | (202) 293-4551 |
| Japan Society-Promotion-Sci 1800 K St Nw # 920, Washington 20006 | (202) 659-8190 |
| Lake Snell Perry & Assoc 1726 M St Nw # 500, Washington 20036 | (202) 776-9066 |
| National Academy On Aging 1030 15th St Nw # 250, Washington 20005 | (202) 408-3375 |
| National Research Group 200 L St Ne, Washington 20002 | (202) 728-3833 |
| Non Profit Research & Dev Assc 1025 Connecticut Ave Nw, Washington 20036 | (202) 857-9759 |
| Northeast Midwest Institute 218 D St Se # A, Washington 20003 | (202) 544-5200 |
| Pew Research Ctr 1615 L St Nw # 700, Washington 20036 | (202) 419-4300 |
| Research Center 1016 16th St Nw, Washington 20036 | (202) 466-1900 |
| Research Research 529 14th St Nw, Washington 20045 | (202) 662-7090 |
| Research Triangle Institute 1615 M St Nw # 740, Washington 20036 | (202) 728-2080 |
| Society Research Adm 1101 Connecticut Ave Nw, Washington 20036 | (202) 857-1141 |
| National Dietary Research 4650 E West Hwy, Washington 20007 | (202) 298-4575 |
| Sunrise Research 2201 Wisconsin Ave Nw # 105, Washington 20007 | (202) 965-9810 |
| Sustain 1400 16th St Nw, Washington 20036 | (202) 328-5180 |
| Telegeography Inc 1909 K St Nw # 380, Washington 20006 | (202) 467-0017 |
| Workshop Unlimited Ltd 1054 31st St Nw, Washington 20007 | (202) 333-6943 |
| Zbm Research 1299 Pennsylvania Ave Nw, Washington 20004 | (202) 783-3013 |
| Washington Research Assoc 1090 Vermont Ave Nw, Washington 20005 | (202) 408-7025 |
| Welfare Information Network 1401 New York Ave Nw # 800, Washington 20005 | (202) 628-5790 |
| Us Global Change Research Prgm 1717 Pennsylvania Ave Nw, Washington 20006 | (202) 223-6262 |
| Academy For Educational Dev 1331 Pennsylvania Ave Nw, Washington 20004 | (202) 638-3652 |
| Advisory Board Co 2445 M St Nw, Washington 20037 | (202) 672-5600 |
| American Beverage Institute 1775 Pennsylvania Ave Nw #1200, Washington 20006 | (202) 463-7110 |
| American Council-United Nation 4421 Garrison St Nw, Washington 20016 | (202) 686-5179 |
| Schroth & Assoc 1101 30th St Nw # 220, Washington 20007 | (202) 333-9354 |