| 5133 MacArthur Blvd LLC | — | L00007283697 | 2022-03-16 | Dissolved | Washington |
| 5134 Hammond Street LLC | — | L00007758877 | 2023-07-27 | Active | |
| 5134 Hammond Street LLC | — | L00007758877 | 2023-07-27 | Revoked | Washington, DC |
| 5134 fulton st LLC | — | L00006427702 | 2019-11-06 | Revoked | Arlington |
| 5134 fulton st LLC | — | L00006427702 | 2019-11-06 | Active | |
| 5135 12th Street NE LLC | — | L00006365215 | 2019-08-09 | Dissolved | |
| 5135 12th Street NE LLC | — | L00006365215 | 2019-08-09 | Dissolved | Washington |
| 5136 8th Street LLC | — | L00006859855 | 2021-02-10 | Active | Silver Spring |
| 5136 8th Street LLC | — | L00006859855 | 2021-02-10 | Active | |
| 5136 Palisade Lane LLC | — | L0000057586 | 2012-01-09 | Revoked | Brattleboro |
| 5136 Palisade Lane LLC | — | L0000057586 | 2011-01-13 | Revoked | |
| 5137 Astor Pl, L.L.C. | — | L00008222464 | 2024-12-12 | Revoked | |
| 5137 Astor Pl, L.L.C. | — | L00008222464 | 2024-11-19 | Active | Washington |
| 513Nrent LLC | — | L00008158375 | 2024-09-11 | Active | |
| 513Nrent LLC | — | L00008158375 | 2024-09-10 | Active | Washington |
| 514 2nd St LLC | — | L00006823524 | 2021-01-04 | Revoked | |
| 514 2nd St LLC | — | L00006823524 | 2021-01-04 | Revoked | Washington |
| 514 48th Place NE, LLC | — | L00008190762 | 2024-10-24 | Active | Washington |
| 514 48th Place NE, LLC | — | L00008190762 | 2024-10-24 | Active | |
| 514 516 44th St Tenants Association | — | N00008087977 | 2024-06-13 | Revoked | |
| 514 516 44th St Tenants Association | — | N00008087977 | 2024-06-13 | Revoked | Washington |
| 514 H STREET LLC | — | L01377 | 1997-03-11 | Revoked | |
| 514 H STREET LLC | — | L01377 | 1997-03-11 | Revoked | |
| 514 Irving LLC | — | L00007007732 | 2021-05-17 | Active | |
| 514 Irving LLC | — | L00007007732 | 2021-05-17 | Revoked | washington |
| 514 Newcomb LLC | — | L00007664086 | 2023-03-20 | Active | WASHIGTON |
| 514 Newcomb LLC | — | L00007664086 | 2023-03-31 | Active | |
| 514 Partners LLC | — | L00005529535 | 2016-10-27 | Active | |
| 514 Partners LLC | — | L00005529535 | 2016-10-27 | Active | Washington |
| 514 Rittenhouse Street L.L.C. | — | L00005521182 | 2016-10-11 | Revoked | |
| 514 Rittenhouse Street L.L.C. | — | L00005521182 | 2016-10-11 | Revoked | Washington |
| 514 TENTH STREET ASSOCIATES L.P. | — | 073888 | 1983-12-01 | Active | |
| 514 TENTH STREET ASSOCIATES L.P. | — | 073888 | 1983-12-01 | Active | BESTHEDA |
| 514 TENTH STREET CAFE LLC | — | L08224 | 2001-04-13 | Revoked | |
| 514 TENTH STREET CAFE LLC | — | L08224 | 2001-04-13 | Revoked | |
| 514 U STREET, N.W. LIMITED PARTNERSHIP | — | P01554 | 1984-07-22 | Revoked | |
| 514 U STREET, N.W. LIMITED PARTNERSHIP | — | P01554 | 1984-07-22 | Revoked | LEGACY NO DATA |
| 514 V STREET LLC | — | L05006 | 1999-12-27 | Dissolved | |
| 514 V STREET LLC | — | L05006 | 1999-12-27 | Dissolved | |
| 5141 MACARTHUR BLVD. L.L.C. | — | L05721 | 2000-04-11 | Active | |
| 5141 MACARTHUR BLVD. L.L.C. | — | L05721 | 2000-04-11 | Active | Washington |
| 5143 Sherier Pl NW L.L.C. | — | L00008445019 | 2025-06-13 | Active | |
| 5143 Sherier Pl NW L.L.C. | — | L00008445019 | 2025-06-03 | Active | Washington |
| 5149 8TH STREET LLC | — | L00005869361 | 2018-02-14 | Revoked | FORT WASHINGTON |
| 5149 8TH STREET LLC | — | L00005869361 | 2018-02-14 | Revoked | |
| 5149 TILDEN STREET LLC | — | L19658 | 2004-07-12 | Revoked | |
| 5149 TILDEN STREET LLC | — | L19658 | 2004-07-12 | Revoked | |
| 515 15TH STREET NW DC LLC | — | US-DC-FN062600295 | 2026-06-04 | Active | Louisville |
| 515 22ND STREET OWNER LLC | — | L00006129055 | 2018-12-07 | Active | |
| 515 22ND STREET OWNER LLC | — | L00006129055 | 2018-12-11 | Active | ARLINGTON |
| 515 22nd Street JV LLC | — | L00006716722 | 2020-08-12 | Active | Arlington |
| 515 22nd Street JV LLC | — | L00006716722 | 2020-08-12 | Active | |
| 515 22nd Street NW Ground Owner LLC | — | L00006147476 | 2018-11-09 | Active | |
| 515 22nd Street NW Ground Owner LLC | — | L00006147476 | 2019-01-11 | Active | New York |
| 515 55TH NE LLC | — | L00005714159 | 2017-06-02 | Revoked | OLNEY |
| 515 55TH NE LLC | — | L00005714159 | 2017-06-02 | Revoked | |
| 515 59TH STREET NE LLC | — | L0000051034 | 2011-02-03 | Revoked | |
| 515 59TH STREET NE LLC | — | L0000051034 | 2011-02-03 | Revoked | WASHINGTON |
| 515 59TH STREET NE, LLC | — | 301494 | — | | |
| 515 9TH STREET, LLC | — | L00005266499 | 2015-09-15 | Active | Providence |
| 515 9TH STREET, LLC | — | L00005266499 | 2015-09-15 | Active | |
| 515 ALLISON ST., NW, LLC | — | L00004699212 | 2013-03-15 | Revoked | WASHINGTON |
| 515 ALLISON ST., NW, LLC | — | L00004699212 | 2013-03-15 | Revoked | |
| 515 Corporation | — | 861360 | 1986-04-10 | Active | |
| 515 Corporation | — | 861360 | 1986-04-10 | Active | Bethesda |
| 515 D STREET LLC | — | L06085 | 2000-06-14 | Dissolved | |
| 515 D STREET LLC | — | L06085 | 2000-06-14 | Dissolved | |
| 515 DC LLC | — | L19795 | 2004-07-21 | Active | WASHINGTON |
| 515 DC LLC | — | L19795 | 2004-07-21 | Active | |
| 515 DC PROPERTIES, LLC | — | L00004768811 | 2013-07-01 | Withdrawn | Wadsworth |
| 515 DC PROPERTIES, LLC | — | L00004768811 | 2013-06-17 | Withdrawn | |
| 515 FRANKLIN LIMITED LIABILITY COMPANY L.L.C. | — | L18224 | 2004-03-19 | Active | |
| 515 FRANKLIN LIMITED LIABILITY COMPANY L.L.C. | — | L18224 | 2004-03-19 | Active | Washington |
| 515 Jefferson St NW L.L.C. | — | L00006057824 | 2018-08-17 | Revoked | Washington |
| 515 Jefferson St NW L.L.C. | — | L00006057824 | 2018-08-17 | Revoked | |
| 515 Jefferson Street Partners LLC | — | L00006014879 | 2018-06-14 | Revoked | |
| 515 Jefferson Street Partners LLC | — | L00006014879 | 2018-06-14 | Revoked | Washington |
| 515 Kennedy Street Partners LLC | — | L00006012503 | 2018-06-11 | Revoked | Washington |
| 515 Kennedy Street Partners LLC | — | L00006012503 | 2018-06-11 | Revoked | |
| 515 LIMITED PARTNERSHIP | — | P00063 | 1986-09-15 | Active | |
| 515 LIMITED PARTNERSHIP | — | P00063 | 1986-09-15 | Active | Bethesda |
| 515 M Street Condominium | — | N00008481028 | 2025-07-29 | Active | |
| 515 M Street Condominium | — | N00008481028 | 2025-07-29 | Active | Washington |
| 515 Master Tenant LLC | — | L00006343903 | 2019-07-16 | Active | |
| 515 Master Tenant LLC | — | L00006343903 | 2019-07-16 | Active | Arlington |
| 515 Montana Ave NE LLC | — | L00006086820 | 2018-10-03 | Revoked | |
| 515 Montana Ave NE LLC | — | L00006086820 | 2018-10-03 | Revoked | Falls Church |
| 515 Q Street Condominium | — | N00008340859 | 2025-03-23 | Active | |
| 515 Q Street Condominium | — | N00008340859 | 2025-03-04 | Active | Washington |
| 515 Run Group LLC | — | L00005559709 | 2017-01-04 | Active | Washington |
| 515 Run Group LLC | — | L00005559709 | 2017-01-04 | Active | |
| 515 SECOND STREET N.E. ASSOCIATES | — | P05280 | 1975-12-31 | Expired | |
| 515 Sunlight LLC | — | L00006360074 | 2019-08-02 | Dissolved | |
| 515 Sunlight LLC | — | L00006360074 | 2019-08-01 | Dissolved | Washington |
| 515 sports ventures, LLC | — | L00005177882 | 2015-04-16 | Revoked | Washington |
| 515 sports ventures, LLC | — | L00005177882 | 2015-04-16 | Revoked | |
| 515-22ND STREET LIMITED PARTNERSHIP | — | P00042 | 1986-08-28 | Withdrawn | |
| 515-22ND STREET LIMITED PARTNERSHIP | — | P00042 | 1986-08-28 | Withdrawn | Bethesda |
| 5151 WISCONSIN ASSOCIATES, LLP | — | P00005447998 | 2016-05-26 | Active | |
| 5151 WISCONSIN ASSOCIATES, LLP | — | P00005447998 | 2016-05-26 | Active | BETHESDA |
| 51511 ASSOCIATES | — | P00442 | 1985-03-12 | Revoked | |
| 51511 ASSOCIATES | — | P00442 | 1985-03-12 | Revoked | LEGACY NO DATA |
| 5152 LInnean LLC | — | L00006288962 | 2019-04-30 | Active | |
| 5152 LInnean LLC | — | L00006288962 | 2019-04-25 | Active | Washington |
| 5153 8th Street NE Inc. | — | C00006091745 | 2018-10-09 | Dissolved | |
| 5153 8th Street NE Inc. | — | C00006091745 | 2018-10-09 | Dissolved | |
| 5153 8th Street NW Inc. | — | C00006090443 | — | Active | |
| 5155 LEE STREET N.E. LLC | — | L22602 | 2005-03-15 | Revoked | |
| 5155 LEE STREET N.E. LLC | — | L22602 | 2005-03-15 | Revoked | S. BELLMORE |
| 5155 MacArthur Development L.L.C. | — | L00005565339 | 2017-02-14 | Active | |
| 5155 MacArthur Development L.L.C. | — | L00005565339 | 2017-01-16 | Active | Washington |
| 5155 Macarthur BLVD L.L.C. | — | L00005212782 | 2015-06-09 | Active | Washington |
| 5155 Macarthur BLVD L.L.C. | — | L00005212782 | 2015-06-09 | Active | |
| 5158DC LLC | — | L00007119014 | 2021-09-22 | Active | |
| 5158DC LLC | — | L00007119014 | 2021-09-15 | Active | Washington |
| 516 24TH ST NE LLC | — | L00006786572 | 2020-11-02 | Active | |
| 516 24TH ST NE LLC | — | L00006786572 | 2020-11-02 | Revoked | BOWIE |
| 516 3rd St NE LLC | — | L00005563159 | 2017-01-11 | Dissolved | |
| 516 3rd St NE LLC | — | L00005563159 | 2017-01-11 | Dissolved | Washington |
| 516 4th Street Holdings LLC | — | L00004979061 | 2014-06-18 | Dissolved | |
| 516 4th Street Holdings LLC | — | L00004979061 | 2014-06-18 | Dissolved | Washington |
| 516 4th Street NE Condominium Association, Incorporated | — | C00005051128 | 2014-10-17 | Revoked | |
| 516 4th Street NE Condominium Association, Incorporated | — | C00005051128 | 2014-10-17 | Revoked | Beltsville |
| 516 60th St. NE Tenants Association | — | N00005945987 | 2018-03-29 | Revoked | |
| 516 60th St. NE Tenants Association | — | N00005945987 | 2018-03-29 | Revoked | Washington |
| 516 H Associates, LLC | — | L00006079419 | 2018-09-21 | Revoked | |
| 516 H Associates, LLC | — | L00006079419 | 2018-09-21 | Revoked | Sioux Falls |
| 516 L.L.C. | — | L04332 | 1999-08-24 | Dissolved | |
| 516 L.L.C. | — | L04332 | 1999-08-24 | Dissolved | Houston |
| 516 Logistics LLC | — | US-DC-LL082603743 | 2026-08-26 | Active | Greenville |
| 516 M LLC | — | L00006511548 | 2020-02-19 | Active | BOWIE |
| 516 M LLC | — | L00006511548 | 2020-02-20 | Active | |
| 516 RALEIGH STREET LLC | — | L00006492076 | 2020-01-30 | Revoked | UPPER MARLBORO |
| 516 RALEIGH STREET LLC | — | L00006492076 | 2017-07-26 | Revoked | |
| 516 Shepherd Street NW L.L.C. | — | L00004844974 | 2013-12-12 | Revoked | Washington |
| 516 Shepherd Street NW L.L.C. | — | L00004844974 | 2013-12-12 | Revoked | |
| 516.5 8TH STREET LLC | — | L00008186642 | 2024-10-18 | Revoked | GREENBELT |
| 516.5 8TH STREET LLC | — | L00008186642 | 2024-10-18 | Revoked | |
| 5161 MACOMB INC. | — | 650139 | 1967-01-16 | Dissolved | |
| 5161 MACOMB INC. | — | 650139 | 1967-01-16 | Dissolved | |
| 5165 MAC LLC | — | US-DC-LL122500145 | 2025-12-10 | Dissolved | Gaithersburg |
| 5165 MACARTHUR LLC | — | L31125 | 2006-12-04 | Active | Washington |
| 5165 MACARTHUR LLC | — | L31125 | 2006-12-04 | Active | |
| 517 14TH STREET NE, LLC | — | L00005480677 | 2016-07-20 | Revoked | Washington |
| 517 14TH STREET NE, LLC | — | L00005480677 | 2016-07-20 | Revoked | |
| 517 2ND STREET, N.E. | — | P02165 | 1982-06-10 | Revoked | |
| 517 2ND STREET, N.E. | — | P02165 | 1982-06-10 | Revoked | Washington |
| 517 59th Street NE LLC | — | L00004613085 | 2012-08-23 | Revoked | |
| 517 59th Street NE LLC | — | L00004613085 | 2012-08-23 | Revoked | Bowie |
| 517 7th Street NE LLC | — | L00006813400 | 2020-12-15 | Revoked | |
| 517 7th Street NE LLC | — | L00006813400 | 2020-12-15 | Revoked | GREENBELT |
| 517 9th St SE LLC | — | L00008487585 | 2025-08-06 | Active | |
| 517 9th St SE LLC | — | L00008487585 | 2025-08-05 | Revoked | Washington |
| 517 CHARGE, LLC | — | L00006337093 | 2019-07-11 | Active | |
| 517 CHARGE, LLC | — | L00006337093 | 2019-07-11 | Revoked | WILMINGTON |
| 517 Florida Ave NW, LLP | — | 210138 | 2002-12-04 | Active | |
| 517 Florida Ave NW, LLP | — | 210138 | 2025-05-09 | Active | LEGACY NO DATA |
| 517 Florida LLC | — | L00006412792 | 2019-10-16 | Active | |
| 517 Florida LLC | — | L00006412792 | 2019-10-16 | Revoked | Hyattsville |
| 517 GMJ Electric LLC | — | L00004970751 | 2014-06-04 | Revoked | |
| 517 GMJ Electric LLC | — | L00004970751 | 2014-06-04 | Revoked | Bowie |
| 517 HARVARD LLC | — | L00006007499 | 2018-06-07 | Active | |
| 517 HARVARD LLC | — | L00006007499 | 2018-06-07 | Active | WASHINGTON |
| 517 K St NE LLC | — | L00007376690 | 2022-05-31 | Revoked | |
| 517 K St NE LLC | — | L00007376690 | 2022-05-31 | Revoked | Washington |
| 517 Lamont St LLC | — | L00005190183 | 2015-04-30 | Revoked | |
| 517 Lamont St LLC | — | L00005190183 | 2015-04-30 | Revoked | Washington |
| 517 MONTANA AVE NE LLC | — | C00007248251 | 2021-02-01 | Active | |
| 517 MONTANA AVE NE LLC | — | C00007248251 | 2022-02-24 | Active | VIENNA |
| 517 Q Street LLC | — | L00005676612 | 2017-04-11 | Dissolved | |
| 517 Q Street LLC | — | L00005676612 | 2017-04-11 | Dissolved | Washington |
| 518 14TH STREET CONDOMINIUM UNIT OWNERS' ASSOCIATION INC. | — | 283566 | 2008-12-19 | Active | |
| 518 14TH STREET CONDOMINIUM UNIT OWNERS' ASSOCIATION INC. | — | 283566 | 2008-12-19 | Active | WASHINGTON |
| 518 14TH STREET S.E. LLC | — | L27426 | 2006-03-06 | Revoked | |
| 518 14TH STREET S.E. LLC | — | L27426 | 2006-03-06 | Revoked | |
| 518 3rd St NE LLC | — | L00005981358 | 2018-05-02 | Dissolved | |
| 518 3rd St NE LLC | — | L00005981358 | 2018-05-02 | Dissolved | Washington |
| 518 3rd Street NE DC LLC | — | L00006157937 | 2019-01-25 | Revoked | Washington |
| 518 3rd Street NE DC LLC | — | L00006157937 | 2019-02-05 | Revoked | |
| 518 56th Street LLC | — | L00006124199 | 2018-12-04 | Revoked | Washington |
| 518 56th Street LLC | — | L00006124199 | 2018-12-04 | Revoked | |
| 518 6th L.L.C. | — | L00005554353 | 2016-12-20 | Revoked | Washington |
| 518 6th L.L.C. | — | L00005554353 | 2016-12-20 | Revoked | |
| 518 C STREET ASSOCIATES LIMITED PARTNERSHIP | — | 000692 | 1992-01-10 | Revoked | |
| 518 C STREET ASSOCIATES LIMITED PARTNERSHIP | — | 000692 | 1992-01-10 | Revoked | LEGACY NO DATA |
| 518 C Street, N.E., Inc. | — | N00008192617 | 2024-10-28 | Active | |
| 518 C Street, N.E., Inc. | — | N00008192617 | 2024-10-28 | Active | Washington |
| 518 EIGHTH STREET S.E. ASSOCIATES | — | P06306 | 1975-10-15 | Revoked | |
| 518 EIGHTH STREET S.E. ASSOCIATES | — | P06306 | 1975-10-15 | Revoked | LEGACY NO DATA |
| 518 ENTERPRISES L.L.C. | — | L01533 | 1997-05-12 | Revoked | |
| 518 ENTERPRISES L.L.C. | — | L01533 | 1997-05-12 | Revoked | |
| 518 Kennedy LLC | — | L00005302929 | 2015-12-02 | Revoked | |
| 518 Kennedy LLC | — | L00005302929 | 2015-12-02 | Revoked | Washington |
| 518 RITTENHOUSE LLC | — | L00004564713 | 2012-05-17 | Revoked | FREDEERICKSBURG |
| 518 RITTENHOUSE LLC | — | L00004564713 | 2012-05-17 | Revoked | |
| 5185 LLC | — | L00005876746 | 2018-02-21 | Active | Bronx |
| 5185 LLC | — | L00005876746 | 2017-12-07 | Active | |
| 5185 MacArthur LLC | — | L00004942206 | 2014-04-14 | Withdrawn | Washington |
| 5185 MacArthur LLC | — | L00004942206 | 2014-04-02 | Withdrawn | |
| 5185 Tenants LLC | — | L00008169385 | 2024-09-24 | Active | Washington |