| 1300 CONNECTICUT AV ENGINEER OFFICE | 1300 CONNECTICUT AVE NW WASHINGTON, DC | (202) 331-0368 |
| AIMCO CORP HOUSING | 1325 15TH ST NW WASHINGTON, DC | (202) 518-7883 |
| ATLAS PROPERTIES | 201 MASSACHUSETTS AVE NE WASHINGTON, DC | (202) 543-2272 |
| BHB LIMITED PARTNERSHIP | 601 INDIANA AVE NW WASHINGTON, DC | (202) 628-6816 |
| BRESLER & REINER INC | 401 M ST SW WASHINGTON, DC | (202) 488-8800 |
| CALOMIRIS WILLIAM INVESTMENT CORP | 4837 WISCONSIN AVE NW WASHINGTON, DC | (202) 457-1230 |
| CHATEL REAL ESTATE | 3210 N ST NW WASHINGTON, DC | (202) 965-4800 |
| CORNERSTONE REAL ESTATE MANAGEMENT | 3314 MOUNT PLEASANT ST NW WASHINGTON, DC | (202) 588-8401 |
| DEFABIO CO | 2412 MINN AVE SE WASHINGTON, DC | (202) 584-5566 |
| DUNAYER CELIA & COMPANY | 5600 CONNECTICUT AVE NW WASHINGTON, DC | (202) 363-4597 |
| EQUITY OFFICE PROPERTIES | 1620 L ST NW WASHINGTON, DC | (202) 296-0268 |
| FIRST MANAGEMENT GROUP INC | 3201 NEW MEXICO AVE NW WASHINGTON, DC | (202) 895-1595 |
| G PROPERTIES INC | 2902 M ST NW WASHINGTON, DC | (202) 333-9615 |
| GILL NICHOLAS RL EST | 1722 WISCONSIN AVE NW WASHINGTON, DC | (202) 338-5000 |
| H M PROPERTIES INC | 631 49TH ST NE WASHINGTON, DC | (202) 388-5680 |
| HINES LIMITED PARTNERSHIP | 1900 K ST NW WASHINGTON, DC | (202) 467-5086 |
| INDEPENDENCE MANAGEMENT COMPANY | WASHINGTON, DC | (202) 547-7061 |
| JBG PROPERTIES | 2600 VIRGINIA AVE NW WASHINGTON, DC | (202) 338-6630 |
| KAEMPFER MANAGEMENT SERVICES INC | 1330 CONNECTICUT AVE NW WASHINGTON, DC | (202) 223-3512 |
| LANCER SL CORP | 103 KENNEDY ST NW WASHINGTON, DC | (202) 726-7551 |
| MADISON MGMT CORP | 1156 15TH ST NW WASHINGTON, DC | (202) 676-0097 |
| MGMB INC | 3301 NEW MEXICO AVE NW WASHINGTON, DC | (202) 362-4480 |
| MUSEUM SQUARE ONE | 401 K ST NW WASHINGTON, DC | (202) 789-1293 |
| NORTHWEST ASSET MANAGEMENT INC | 3413 FESSENDEN ST NW WASHINGTON, DC | (202) 966-7323 |
| PEAK CONSTRUCTION GROUP | 1763 COLUMBIA RD NW WASHINGTON, DC | (202) 797-7400 |
| PREMISYS REAL ESTATE SERVICES INC | 1200 K ST NW WASHINGTON, DC | (202) 842-1200 |
| RED STAR | 542 LEBAUM ST SE WASHINGTON, DC | (202) 574-0566 |
| SEALANDER BROKERAGE LTD | 200 G ST NE WASHINGTON, DC | (202) 544-2800 |
| SOUTHERN BUILDING | 805 15TH ST NW WASHINGTON, DC | (202) 842-5100 |
| STOUT & TEAGUE COMPANIES | 1400 16TH ST NW WASHINGTON, DC | (202) 328-5100 |
| THREE WASHINGTON CIRCLE | 2301 WASHNGTN CIR NW WASHINGTON, DC | (202) 775-0866 |
| TWO THOUSAND L ST-JBG | 2000 L ST NW WASHINGTON, DC | (202) 659-5929 |
| WALSH DANIEL E | 3406 CONNECTICUT AVE NW WASHINGTON, DC | (202) 347-6266 |
| WIRE ENTERPRISES INC | 1825 MARYLAND AVE NE WASHINGTON, DC | (202) 396-7600 |