| 18TH STREET PIZZA Inc. | — | 970175 | 1997-01-17 | Revoked | |
| 18TH STREET PIZZA Inc. | — | 970175 | 1997-01-17 | Revoked | WASHINGTON |
| 18TH STREET REALTY CORP. | — | 853157 | 1985-08-29 | Revoked | |
| 18TH STREET REALTY CORP. | — | 853157 | 1985-08-29 | Revoked | |
| 18TH STREET SE LLC | — | L00004638881 | 2012-10-24 | Dissolved | |
| 18TH STREET SE LLC | — | L00004638881 | 2012-10-24 | Dissolved | Fairfax |
| 18TH STREET SINGERS (THE) | — | 270218 | 2007-01-22 | Active | WASHINGTON |
| 18TH STREET SINGERS (THE) | — | 270218 | 2007-01-22 | Active | |
| 18TH STREET SOFTWARE LLC | — | L22582 | 2005-03-14 | Dissolved | |
| 18TH STREET SOFTWARE LLC | — | L22582 | 2005-03-14 | Dissolved | |
| 18TH STREET VIDEO INC. | — | 232973 | 2003-08-18 | Revoked | |
| 18TH STREET VIDEO INC. | — | 232973 | 2003-08-18 | Revoked | |
| 18W HOLDINGS, INC | — | C00006413442 | 2019-08-02 | Active | |
| 18W HOLDINGS, INC | — | C00006413442 | 2019-10-17 | Active | Parsippany |
| 18th & Brookland Inc. | — | C00005275141 | 2015-10-02 | Revoked | |
| 18th & Brookland Inc. | — | C00005275141 | 2015-10-02 | Revoked | WASHINGTON |
| 18th & Brookland Property L.L.C. | — | L00005292800 | 2015-11-09 | Revoked | Washington |
| 18th & Brookland Property L.L.C. | — | L00005292800 | 2015-11-09 | Revoked | |
| 18th Place NE 2026 LLC | — | US-DC-LL022600397 | 2026-02-05 | Active | McLean |
| 18th STREET LLC | — | L00007683864 | 2023-04-18 | Active | |
| 18th STREET LLC | — | L00007683864 | 2023-04-18 | Active | BETHESDA |
| 18th St Development LLC | — | L00006850428 | 2021-02-01 | Active | |
| 18th St Development LLC | — | L00006850428 | 2021-02-01 | Active | McLean |
| 18th St LLC | — | US-DC-LL012601407 | 2026-01-23 | Active | Washington |
| 18th St SE LLC | — | L00008567334 | 2025-11-12 | Active | |
| 18th St SE LLC | — | L00008567334 | 2025-11-11 | Revoked | Washington |
| 18th Street Early Learning Child Development Center L.L.C. | — | L00007006460 | 2021-05-11 | Active | Washington DC |
| 18th Street Early Learning Child Development Center L.L.C. | — | L00007006460 | 2021-05-14 | Active | |
| 18th Street Flats Condominium L.L.C. | — | L00005728099 | 2017-06-25 | Revoked | |
| 18th Street Flats Condominium L.L.C. | — | L00005728099 | 2017-06-25 | Revoked | Washington |
| 18th Street Holdings LLC | — | L00006022438 | 2018-06-28 | Revoked | Washington |
| 18th Street Holdings LLC | — | L00006022438 | 2018-06-28 | Revoked | |
| 18th Street Investments LLC | — | L00006578694 | 2020-03-30 | Revoked | |
| 18th Street Investments LLC | — | L00006578694 | 2020-03-30 | Revoked | Washington |
| 18th Street Partners LLC | — | L00005090065 | 2015-01-20 | Active | |
| 18th Street Partners LLC | — | L00005090065 | 2015-01-20 | Revoked | Washington |
| 18th Street Rental LLC | — | L00004872607 | 2014-02-12 | Revoked | Washington |
| 18th Street Rental LLC | — | L00004872607 | 2014-02-12 | Revoked | |
| 18th Street Ventures LLC | — | L00005448680 | 2016-05-26 | Active | |
| 18th Street Ventures LLC | — | L00005448680 | 2016-05-26 | Active | Washington |
| 18th street BG MAV LLC | — | L00005465447 | 2016-06-22 | Active | WASHINGTON |
| 18th street BG MAV LLC | — | L00005465447 | 2016-06-22 | Active | |
| 19 - PENN LLC | — | L07560 | 2001-01-26 | Dissolved | |
| 19 - PENN LLC | — | L07560 | 2001-01-26 | Dissolved | |
| 19 47TH STREET, S.E. INC. | — | 800915 | 1980-02-28 | Revoked | |
| 19 47TH STREET, S.E. INC. | — | 800915 | 1980-02-28 | Revoked | |
| 19 ADAMS CONDOMINIUM ASSOCIATION, LLC (THE) | — | L50028 | 2010-04-30 | Revoked | |
| 19 ADAMS CONDOMINIUM ASSOCIATION, LLC (THE) | — | L50028 | 2010-04-30 | Revoked | |
| 19 ADAMS LLC | — | L20345 | 2004-09-08 | Dissolved | |
| 19 ADAMS LLC | — | L20345 | 2004-09-08 | Dissolved | |
| 19 Away LLC | — | L00006004663 | 2018-06-03 | Revoked | |
| 19 Away LLC | — | L00006004663 | 2018-06-03 | Revoked | Washington |
| 19 GALLATIN LLC | — | L00004620579 | 2012-09-06 | Active | |
| 19 GALLATIN LLC | — | L00004620579 | 2012-09-06 | Active | VIENNA |
| 19 GROUP (THE) | — | P05615 | 1980-05-27 | Revoked | |
| 19 GROUP (THE) | — | P05615 | 1980-05-27 | Revoked | |
| 19 Gallatin Street NW L.L.C. | — | L00007187693 | 2021-12-24 | Revoked | |
| 19 Gallatin Street NW L.L.C. | — | L00007187693 | 2021-12-24 | Revoked | Washington |
| 19 H STREET LIMITED PARTNERSHIP | — | 016788 | 1987-09-30 | Merged | |
| 19 H STREET LIMITED PARTNERSHIP | — | 016788 | 1987-09-30 | Merged | LEGACY NO DATA |
| 19 U ST NE LLC | — | L44079 | 2009-05-27 | Revoked | |
| 19 U ST NE LLC | — | L44079 | 2009-05-27 | Revoked | VIENNA |
| 19 U STREET LLC | — | L19560 | 2004-07-02 | Revoked | |
| 19 U STREET LLC | — | L19560 | 2004-07-02 | Revoked | |
| 19 U Street NE LLC | — | L00006636226 | 2020-05-26 | Active | |
| 19-L REALTY CORPORATION (THE) | — | 833597 | 1983-08-16 | Revoked | |
| 19-L REALTY CORPORATION (THE) | — | 833597 | 1983-08-16 | Revoked | |
| 1900 11TH., ST., N.W. LLC | — | L00005045859 | 2014-10-06 | Revoked | |
| 1900 11TH., ST., N.W. LLC | — | L00005045859 | 2014-10-06 | Active | SILVER SPRING |
| 1900 16TH STREET SE LLC | — | L00006827487 | 2021-01-08 | Active | |
| 1900 16TH STREET SE LLC | — | L00006827487 | 2021-01-08 | Revoked | GREAT FALLS |
| 1900 16TH STREET, LLC | — | L05613 | 2000-03-28 | Revoked | |
| 1900 16TH STREET, LLC | — | L05613 | 2000-03-28 | Revoked | LUSBY |
| 1900 16th Street LLC | — | L00007396515 | 2022-06-27 | Revoked | Baltimore |
| 1900 16th Street LLC | — | L00007396515 | 2022-06-27 | Revoked | |
| 1900 16th Street Tenants Association | — | N00006770689 | 2020-10-13 | Revoked | Washington |
| 1900 16th Street Tenants Association | — | N00006770689 | 2020-10-14 | Revoked | |
| 1900 16th Tenants Association LLC | — | L00008155817 | 2024-09-06 | Revoked | Washington |
| 1900 16th Tenants Association LLC | — | L00008155817 | 2024-09-09 | Active | |
| 1900 17TH STREET S.E. INC. | — | 872770 | 1987-08-05 | Revoked | |
| 1900 17TH STREET S.E. INC. | — | 872770 | 1987-08-05 | Revoked | |
| 1900 3rd Street NW, LLC | — | L00007703501 | 2023-05-31 | Active | |
| 1900 3rd Street NW, LLC | — | L00007703501 | 2023-05-13 | Active | Hagerstown |
| 1900 BILTMORE ST. NW TENANTS ASSOCIATION | — | 973879 | 1997-11-26 | Revoked | |
| 1900 BILTMORE ST. NW TENANTS ASSOCIATION | — | 973879 | 1997-11-26 | Revoked | |
| 1900 BILTMORE STREET, NW TENANT ASSOCIATION INC. | — | 831099 | 1983-03-03 | Revoked | |
| 1900 BILTMORE STREET, NW TENANT ASSOCIATION INC. | — | 831099 | 1983-03-03 | Revoked | |
| 1900 BLADENSBURG ROAD LIMITED PARTNERSHIP | — | 003990 | 1990-01-26 | Revoked | WASHINGTON |
| 1900 BLADENSBURG ROAD LIMITED PARTNERSHIP | — | 003990 | 1990-01-26 | Revoked | |
| 1900 BLADENSBURG ROAD LLC | — | L0000053170 | 2011-05-16 | Dissolved | |
| 1900 BLADENSBURG ROAD LLC | — | L0000053170 | 2011-05-16 | Dissolved | Washington |
| 1900 CONNECTICUT AVENUE ASSOCIATES LIMITED PARTNERSHIP | — | 000588 | 1985-01-31 | Revoked | |
| 1900 CONNECTICUT AVENUE ASSOCIATES LIMITED PARTNERSHIP | — | 000588 | 1985-01-31 | Revoked | LEGACY NO DATA |
| 1900 CONNECTICUT AVENUE, LLC | — | L00005554001 | 2016-12-12 | Withdrawn | |
| 1900 CONNECTICUT AVENUE, LLC | — | L00005554001 | 2016-12-20 | Withdrawn | CHEVY CHASE |
| 1900 CONNECTICUT, LLC | — | L00005980538 | 2018-04-26 | Withdrawn | |
| 1900 CONNECTICUT, LLC | — | L00005980538 | 2018-04-26 | Withdrawn | BETHESDA |
| 1900 CONSTITUTION CONDOMINIUM ASSOCIATION | — | N00005247431 | 2015-08-11 | Revoked | |
| 1900 CONSTITUTION CONDOMINIUM ASSOCIATION | — | N00005247431 | 2015-08-11 | Revoked | Washington |
| 1900 Capital Investment L.L.C. | — | L00006325992 | 2019-06-26 | Active | WASHINGTON |
| 1900 Capital Investment L.L.C. | — | L00006325992 | 2019-06-26 | Active | |
| 1900 FOURTH STREET L.L.C. | — | L22603 | 2005-03-15 | Revoked | |
| 1900 FOURTH STREET L.L.C. | — | L22603 | 2005-03-15 | Revoked | |
| 1900 HALF STREET INC. | — | 913750 | 1991-10-24 | Revoked | |
| 1900 HALF STREET INC. | — | 913750 | 1991-10-24 | Revoked | |
| 1900 IRVING ST NE LLC | — | L00007648941 | 2023-03-28 | Active | |
| 1900 IRVING ST NE LLC | — | L00007648941 | 2023-03-28 | Revoked | WASHINGTON |
| 1900 Irving Street LLC | — | L00005582198 | 2017-02-07 | Revoked | |
| 1900 Irving Street LLC | — | L00005582198 | 2017-02-07 | Revoked | Silver Spring |
| 1900 Irving Street NE LLC | — | L00007608603 | 2023-03-06 | Revoked | |
| 1900 Irving Street NE LLC | — | L00007608603 | 2023-03-06 | Revoked | Washington |
| 1900 L COFFEE AND BAKERY LLC | — | L00005807130 | 2016-12-23 | Revoked | |
| 1900 L COFFEE AND BAKERY LLC | — | L00005807130 | 2017-10-30 | Revoked | WASHINGTON |
| 1900 L INC. | — | 213133 | 2001-09-21 | Dissolved | |
| 1900 L INC. | — | 213133 | 2001-09-21 | Dissolved | |
| 1900 L MANAGER LLC | — | L09963 | 2001-11-28 | Active | Chevy Chase |
| 1900 L MANAGER LLC | — | L09963 | 2001-11-28 | Active | |
| 1900 L ST. PARKING INC. | — | 641082 | 1964-07-17 | Dissolved | |
| 1900 L ST. PARKING INC. | — | 641082 | 1964-07-17 | Dissolved | |
| 1900 L STREET LIMITED PARTNERSHIP | — | LP2212 | 2001-11-07 | Dissolved | |
| 1900 L STREET LIMITED PARTNERSHIP | — | LP2212 | 2001-11-07 | Dissolved | LEGACY NO DATA |
| 1900 L STREET REALTY CORPORATION | — | 823986 | 1982-08-27 | Withdrawn | |
| 1900 L STREET REALTY CORPORATION | — | 823986 | 1982-08-27 | Withdrawn | |
| 1900 LLC | — | L05283 | 2000-02-08 | Revoked | |
| 1900 LLC | — | L05283 | 2000-02-08 | Revoked | |
| 1900 M EAT FEE OWNER L.L.C. | — | L00004628772 | 2012-09-26 | Revoked | Temple |
| 1900 M EAT FEE OWNER L.L.C. | — | L00004628772 | 2012-09-25 | Revoked | |
| 1900 M L.L.C. | — | L00004629212 | 2012-09-25 | Active | |
| 1900 M L.L.C. | — | L00004629212 | 2012-09-27 | Active | NEW YORK |
| 1900 M RESTAURANT ASSOCIATES INC. | — | 970896 | 1997-03-11 | Revoked | |
| 1900 M RESTAURANT ASSOCIATES INC. | — | 970896 | 1997-03-11 | Revoked | WASHINGTON |
| 1900 MINNESOTA AVENUE SE LLC | — | L48751 | 2010-03-24 | Revoked | |
| 1900 MINNESOTA AVENUE SE LLC | — | L48751 | 2010-03-24 | Revoked | |
| 1900 R Street, SE LLC | — | L00008433294 | 2025-05-28 | Active | |
| 1900 R Street, SE LLC | — | L00008433294 | 2025-05-28 | Active | Washington |
| 1900 ROSEDALE ASSOCIATES LLC | — | L23287 | 2005-04-29 | Revoked | |
| 1900 ROSEDALE ASSOCIATES LLC | — | L23287 | 2005-04-29 | Revoked | |
| 1900 S LLC | — | L00007575053 | 2023-02-09 | Active | |
| 1900 S LLC | — | L00007575053 | 2023-01-19 | Active | Washington |
| 1900 S STREET CORPORATION | — | 814475 | 1981-10-05 | Revoked | |
| 1900 S STREET CORPORATION | — | 814475 | 1981-10-05 | Revoked | |
| 1900 S STREET TENANTS ASSOCIATION INC. | — | 804409 | 1980-10-23 | Revoked | |
| 1900 S STREET TENANTS ASSOCIATION INC. | — | 804409 | 1980-10-23 | Revoked | |
| 1900 SIXTEENTH STREET SOUTHEAST TENANTS' ASSOCIATION INC. | — | 991162 | 1999-04-20 | Revoked | |
| 1900 SIXTEENTH STREET SOUTHEAST TENANTS' ASSOCIATION INC. | — | 991162 | 1999-04-20 | Revoked | |
| 1900 VERMONT LLC | — | L44074 | 2009-05-27 | Revoked | |
| 1900 VERMONT LLC | — | L44074 | 2009-05-27 | Revoked | |
| 1900 Wyoming LLC | — | L00007494331 | 2022-10-25 | Active | Washington |
| 1900 Wyoming LLC | — | L00007494331 | 2022-10-28 | Revoked | |
| 1900- 11TH ST NW LLC | — | L52007 | 2010-09-08 | Revoked | WASHINGTON |
| 1900- 11TH ST NW LLC | — | L52007 | 2010-09-08 | Revoked | |
| 1900T16NW LLC | — | L00006454783 | 2019-12-13 | Active | |
| 1900T16NW LLC | — | L00006454783 | 2019-12-13 | Revoked | Washington |
| 1901 13TH STREET LLC | — | L0000052126 | 2011-03-25 | Active | |
| 1901 13TH STREET LLC | — | L0000052126 | 2011-03-25 | Revoked | WASHINGTON |
| 1901 18TH STREET LLC | — | L27299 | 2006-02-27 | Revoked | |
| 1901 18TH STREET LLC | — | L27299 | 2006-02-27 | Revoked | Washington |
| 1901 18th ST LLC | — | L00008027939 | 2024-04-03 | Active | |
| 1901 18th ST LLC | — | L00008027939 | 2024-04-03 | Active | New York |
| 1901 BILTMORE STREET LLC | — | L0000052747 | 2011-04-28 | Active | |
| 1901 BILTMORE STREET LLC | — | L0000052747 | 2011-04-28 | Revoked | WASHINGTON |
| 1901 BILTMORE STREET TENANTS ASSOCIATION INC. | — | 861509 | 1986-04-18 | Revoked | |
| 1901 BILTMORE STREET TENANTS ASSOCIATION INC. | — | 861509 | 1986-04-18 | Revoked | |
| 1901 C Street SE JV LLC | — | L00006300475 | 2019-05-06 | Active | |
| 1901 C Street SE JV LLC | — | L00006300475 | 2019-05-16 | Active | Arlington |
| 1901 C Street SE LLC | — | L00006294309 | 2019-05-07 | Active | |
| 1901 C Street SE LLC | — | L00006294309 | 2019-05-06 | Active | Arlington |
| 1901 Capitol Ave, LLC | — | L00005961046 | 2018-04-06 | Revoked | |
| 1901 Capitol Ave, LLC | — | L00005961046 | 2018-04-06 | Revoked | BOWIE |
| 1901 Fairview NE LLC | — | L00005629060 | 2017-03-17 | Active | Washington |
| 1901 Fairview NE LLC | — | L00005629060 | 2017-03-17 | Active | |
| 1901 GROUP L.L.C. | — | L00005387399 | 2015-01-01 | Active | Blacksburg |
| 1901 GROUP L.L.C. | — | L00005387399 | 2009-02-11 | Active | |
| 1901 I ST L.L.C. | — | L00006187871 | 2019-02-27 | Dissolved | |
| 1901 I ST L.L.C. | — | L00006187871 | 2019-02-27 | Dissolved | Washington |
| 1901 I ST NE LLC | — | L00006416565 | 2019-10-24 | Active | |
| 1901 I ST NE LLC | — | L00006416565 | 2019-10-10 | Active | Washington |
| 1901 INGLESIDE TERRACE 2002 TENANTS ASSOCIATION, INC. (THE) | — | 221397 | 2002-05-06 | Revoked | |
| 1901 INGLESIDE TERRACE 2002 TENANTS ASSOCIATION, INC. (THE) | — | 221397 | 2002-05-06 | Revoked | |
| 1901 INGLESIDE TERRACE N.W. L.L.C. | — | L00924 | 1996-07-09 | Revoked | |
| 1901 INGLESIDE TERRACE N.W. L.L.C. | — | L00924 | 1996-07-09 | Revoked | |
| 1901 INVESTORS, LIMITED PARTNERSHIP | — | 220066 | 2002-11-22 | Revoked | LEGACY NO DATA |
| 1901 INVESTORS, LIMITED PARTNERSHIP | — | 220066 | 2002-11-22 | Revoked | |
| 1901 L STREET LLC | — | L24429 | 2005-07-22 | Dissolved | SAN FRANCISCO |
| 1901 L STREET LLC | — | L24429 | 2005-07-22 | Dissolved | |
| 1901 L STREET LTD PARTNERSHIP | — | P05828 | 1976-10-07 | Dissolved | |
| 1901 L STREET LTD PARTNERSHIP | — | P05828 | 2014-04-08 | Dissolved | NONE |
| 1901 LINCOLN ROAD, NE TENANTS' ASSOCIATION INC. | — | 242582 | 2004-08-18 | Revoked | |
| 1901 LINCOLN ROAD, NE TENANTS' ASSOCIATION INC. | — | 242582 | 2004-08-18 | Revoked | |
| 1901 MICHIGAN AVENUE, N.E. LLC | — | L20953 | 2004-10-28 | Revoked | |
| 1901 MICHIGAN AVENUE, N.E. LLC | — | L20953 | 2004-10-28 | Revoked | |
| 1901 Michigan LLC | — | US-DC-LL012601048 | 2026-01-16 | Active | Bethesda |
| 1901 O STREET ASSOCIATES LP | — | P00151 | 1987-03-31 | Revoked | |
| 1901 O STREET ASSOCIATES LP | — | P00151 | 1987-03-31 | Revoked | LEGACY NO DATA |
| 1901 PENNSYLVANIA AVENUE LLC | — | L10233 | 2002-01-03 | Revoked | |
| 1901 PENNSYLVANIA AVENUE LLC | — | L10233 | 2002-01-03 | Revoked | |
| 1901 Pennsylvania Venture LLC | — | L00007214833 | 2022-01-31 | Active | Washington |
| 1901 Pennsylvania Venture LLC | — | L00007214833 | 2022-01-31 | Active | |
| 1901 Rosedale Street LLC | — | L00006848649 | 2021-01-29 | Revoked | Washington |
| 1901 Rosedale Street LLC | — | L00006848649 | 2021-01-29 | Active | |