| Business | Phone |
| Cafritz Co 818 Connecticut Ave Nw # 90, Washington 20006 | (202) 775-8404 |
| Capitol Hill Office Building 412 1st St Se, Washington 20003 | (202) 484-7270 |
| Carpenters Building 1003 K St Nw, Washington 20001 | (202) 737-7910 |
| Carr America 2025 M St Nw, Washington 20036 | (202) 785-3861 |
| Cathedral Mansions Ctr 3000 Connecticut Ave Nw, Washington 20008 | (202) 797-1011 |
| Central Building 805 G St Nw, Washington 20001 | (202) 628-3312 |
| Charles E Smith Co 1140 Connecticut Ave Nw, Washington 20036 | (202) 296-4519 |
| Charles E Smith Coml Realty 1101 17th St Nw # 506, Washington 20036 | (202) 833-3289 |
| Colorado Building 1341 G St Nw # 77, Washington 20005 | (202) 628-2544 |
| Continental Building 1012 14th St Nw, Washington 20005 | (202) 737-1157 |
| Danison Business Ctr 5125 Georgia Ave Nw, Washington 20011 | (202) 722-5030 |
| Davis Building 1629 K St Nw # 900, Washington 20006 | (202) 296-3756 |
| Dcoes Temple Building 122 C St Nw, Washington 20001 | (202) 737-3644 |
| Demonet Building 1155 Connecticut Ave Nw, Washington 20036 | (202) 293-4235 |
| Donohoe & Sons 4000 Wisconsin Ave Nw, Washington 20016 | (202) 966-4861 |
| Eleven Forty Connecticut Ave 1140 Connecticut Ave Nw # 606, Washington 20036 | (202) 223-1830 |
| Eleven Forty Six 19th Building 1146 19th St Nw, Washington 20036 | (202) 331-0019 |
| Eleven Hundred Seventeenth Ofc 1100 17th St Nw, Washington 20036 | (202) 429-9554 |
| Eleven-O-One Fifteenth Street 1101 15th St Nw, Washington 20005 | (202) 293-5520 |
| Eleven Hundred Connecticut Ave 1100 Connecticut Ave Nw # 720, Washington 20036 | (202) 293-1366 |
| Equity Office Properties 1627 I St Nw, Washington 20006 | (202) 223-9670 |
| Ethan Grossman Engineering 1612 K St Nw, Washington 20006 | (202) 463-3037 |
| Gastronomy Inc 1132 19th St Nw, Washington 20036 | (202) 775-7220 |
| Hariton Building Coml Realty 1101 17th St Nw, Washington 20036 | (202) 466-5191 |
| Heather Properties 2021 K St Nw # 320, Washington 20006 | (202) 785-0860 |
| Herald Square Building 1250 H St Nw, Washington 20005 | (202) 393-6422 |
| Intrepid Real Estate 1211 Connecticut Ave Nw, Washington 20036 | (202) 293-3097 |
| Judiciary Plaza Office Bldg 450 5th St Nw # 1c62, Washington 20001 | (202) 393-6699 |
| Keykey Realty Inc 2233 Wisconsin Ave Nw, Washington 20007 | (202) 333-5576 |
| Lincoln Property 1212 New York Ave Nw, Washington 20005 | (202) 371-1005 |
| M & P Partners 625 Indiana Ave Nw, Washington 20004 | (202) 737-2882 |
| M A Winter Co 2034 16th St Nw, Washington 20009 | (202) 483-1666 |
| Mc Pherson Square Building 915 15th St Nw, Washington 20005 | (202) 638-2210 |
| Metropolitan Management Inc 303 7th St Nw, Washington 20004 | (202) 898-2800 |
| Millennium Building 1909 K St Nw, Washington 20006 | (202) 785-4240 |
| Montgomery Bldg 1776 K St Nw # Ll101, Washington 20006 | (202) 833-8439 |
| New Hampshire Dupont Ltd 11 Dupont Cir Nw, Washington 20036 | (202) 232-4511 |
| Olive Limited Partnership 1319 F St Nw, Washington 20004 | (202) 347-6231 |
| One Farragut Square S 1634 I St Nw, Washington 20006 | (202) 783-0592 |
| One Thousand Connecticut Ave 1717 K St Nw # 11, Washington 20036 | (202) 296-4343 |
| One Twenty-Two C Street 122 C St Nw, Washington 20001 | (202) 393-5372 |
| Orme Building 1424 K St Nw, Washington 20005 | (202) 347-3226 |
| R H Hagner & Co 1920 N St Nw, Washington 20036 | (202) 833-3938 |
| Regus Business Ctr Inc 1101 Pennsylvania Ave Nw # 600, Washington 20004 | (202) 756-4500 |
| Rhode Island & M Joint Venture 1730 Rhode Island Ave Nw, Washington 20036 | (202) 296-3525 |
| Seventeen-Seventy Six Mass Ave 1776 Massachusetts Ave Nw, Washington 20036 | (202) 659-5210 |
| Sixteen Twenty Five K St Bldg 1625 K St Nw, Washington 20006 | (202) 393-1999 |
| Sixteen-Sixty L Street Bldg 1660 L St Nw, Washington 20036 | (202) 296-0385 |
| Sun Building 1317 F St Nw, Washington 20004 | (202) 393-3739 |
| Ten Fifteen Eighteenth Street 1015 18th St Nw, Washington 20036 | (202) 833-1409 |
| Ten Twenty Nineteenth Street 1020 19th St Nw, Washington 20036 | (202) 467-6838 |
| Westory Building 605 14th St Nw, Washington 20005 | (202) 638-7737 |
| Wheeler Building 1120 19th St Nw, Washington 20036 | (202) 293-2432 |
| Woodward Executive Suites 733 15th St Nw # 700, Washington 20005 | (202) 393-2300 |
| Washington Building 1440 New York Ave Nw, Washington 20005 | (202) 347-3880 |
| Washington Park Building 2175 K St Nw, Washington 20037 | (202) 429-9057 |
| Water Front Ctr 1010 Wisconsin Ave Nw, Washington 20007 | (202) 965-5832 |
| Walker Building 734 15th St Nw, Washington 20005 | (202) 783-8576 |
| Twelfth & L Ltd Assoc 1106 L St Nw, Washington 20005 | (202) 842-0178 |
| Twenty One Hundred One L St 2101 L St Nw # 1001, Washington 20037 | (202) 223-3131 |
| Twenty Twenty-One L Street Nw 2021 L St Nw, Washington 20036 | (202) 833-9093 |
| Two Thousand L Nw 2000 L St Nw, Washington 20036 | (202) 223-3340 |