| 17TH STREET LEGAL PLLC | — | L50331 | 2010-05-20 | Revoked | |
| 17TH STREET STATIONERS INC. | — | 960619 | 1996-01-29 | Revoked | |
| 17TH STREET STATIONERS INC. | — | 960619 | 1996-01-29 | Revoked | |
| 17th PLACE FLATS CONDOMINIUM | — | N00008184678 | 2024-10-16 | Active | |
| 17th PLACE FLATS CONDOMINIUM | — | N00008184678 | 2024-09-16 | Active | WASHINGTON |
| 17th Place Condominium | — | N00008383443 | 2025-04-02 | Active | Washington |
| 17th Place Condominium | — | N00008383443 | 2025-04-02 | Active | |
| 17th Place Holdings LLC | — | L00006466456 | 2019-12-28 | Active | |
| 17th Place Holdings LLC | — | L00006466456 | 2019-12-28 | Revoked | Warrenton |
| 17th ST NW LLC | — | L00007386592 | 2022-06-14 | Active | |
| 17th ST NW LLC | — | L00007386592 | 2022-06-13 | Active | Arlington |
| 17th St Development LLC | — | L00006773582 | 2020-10-16 | Active | McLean |
| 17th St Development LLC | — | L00006773582 | 2020-10-16 | Active | |
| 17th St Properties L.L.C. | — | L00008179215 | 2024-10-07 | Active | |
| 17th St Properties L.L.C. | — | L00008179215 | 2024-10-07 | Active | Washington |
| 17th Street NE Holdings LLC | — | L00006325163 | 2019-06-25 | Revoked | Washington |
| 17th Street NE Holdings LLC | — | L00006325163 | 2019-06-25 | Revoked | |
| 17th Street Property LLC | — | L00007701161 | 2023-05-10 | Dissolved | |
| 17th Street Property LLC | — | L00007701161 | 2023-05-08 | Dissolved | Woodbridge |
| 17th Street SLC LLC | — | L00008091067 | 2024-06-18 | Revoked | |
| 17th Street SLC LLC | — | L00008091067 | 2024-06-11 | Revoked | Atlanta |
| 17th Street Ventures Inc. | — | C00005016229 | 2014-08-13 | Revoked | WASHINGTON |
| 17th Street Ventures Inc. | — | C00005016229 | 2014-08-13 | Revoked | |
| 17th and Oakwood LLC | — | L00004836800 | 2013-11-20 | Revoked | |
| 17th and Oakwood LLC | — | L00004836800 | 2013-11-20 | Revoked | Washington |
| 17th and S LLC | — | US-DC-LL092603709 | 2026-09-14 | Active | Haverford |
| 17th and S, SE LLC | — | L00004743083 | 2013-04-29 | Active | Washington |
| 17th and S, SE LLC | — | L00004743083 | 2013-04-29 | Active | |
| 17th&N LLC | — | L00007961499 | 2024-03-12 | Dissolved | |
| 17th&N LLC | — | L00007961499 | 2024-03-12 | Dissolved | Washington |
| 18 Bates Street HOA L.L.C. | — | L00006810819 | 2020-12-10 | Active | Washington |
| 18 Bates Street HOA L.L.C. | — | L00006810819 | 2020-12-10 | Active | |
| 18 Cycles LLC | — | L00005321262 | 2016-01-12 | Revoked | Washington |
| 18 Cycles LLC | — | L00005321262 | 2016-01-12 | Revoked | |
| 18 MADISON LLC | — | L00005504244 | 2016-09-06 | Revoked | WASHINGTON |
| 18 MADISON LLC | — | L00005504244 | 2016-09-06 | Revoked | |
| 18 N STREET LLC | — | L50030 | 2010-04-30 | Active | |
| 18 N STREET LLC | — | L50030 | 2010-04-30 | Active | WASHINGTON |
| 18 Street NW LLC | — | US-DC-LL062601679 | 2026-06-25 | Active | Washington |
| 18 T ST Condo Association | — | N00005089760 | 2015-01-20 | Revoked | Washington |
| 18 T ST Condo Association | — | N00005089760 | 2015-01-20 | Revoked | |
| 18 T ST NE Condominium Association | — | N00006062890 | 2018-08-24 | Active | |
| 18 T ST NE Condominium Association | — | N00006062890 | 2018-08-24 | Active | Washington |
| 18 T STREET, NE, LLC | — | L00004201531 | 2012-03-15 | Revoked | |
| 18 T STREET, NE, LLC | — | L00004201531 | 2012-03-15 | Revoked | Fairfax |
| 18-35 INC. | — | 231047 | 2003-03-26 | Revoked | |
| 18-35 INC. | — | 231047 | 2003-03-26 | Revoked | |
| 180 CONNECT INC. | — | 221195 | 2002-04-17 | Revoked | |
| 180 CONNECT INC. | — | 221195 | 2002-04-17 | Revoked | |
| 180 CONSULTING LLC | — | C00007823050 | 2023-10-16 | Revoked | Washington |
| 180 CONSULTING LLC | — | C00007823050 | 2023-04-13 | Revoked | |
| 180 Degrees Center LLC | — | L00005233159 | 2015-07-14 | Revoked | |
| 180 Degrees Center LLC | — | L00005233159 | 2015-07-14 | Revoked | Silver Spring |
| 180 MEDICAL INC. | — | C0000001113 | 2002-08-27 | Active | |
| 180 MEDICAL INC. | — | C0000001113 | 2011-05-06 | Active | Oklahoma City |
| 180 PROPERTIES LLC | — | L0000056540 | 2011-11-14 | Revoked | |
| 180 PROPERTIES LLC | — | L0000056540 | 2011-11-14 | Revoked | WASHINGTON |
| 180 Partners Development Inc. | — | C00006595734 | 2020-04-09 | Active | |
| 180 Partners Development Inc. | — | C00006595734 | 2020-04-09 | Active | |
| 180 Partners Development Inc. | — | C00006595788 | 2020-04-09 | Active | |
| 180 Studio, LLC | — | L00006070130 | 2017-12-12 | Withdrawn | |
| 180 Studio, LLC | — | L00006070130 | 2018-09-05 | Withdrawn | Batavia |
| 180 URBAN WELLNESS LLC | — | L00006151129 | 2019-01-16 | Revoked | WASHINGTON |
| 180 URBAN WELLNESS LLC | — | L00006151129 | 2019-01-16 | Active | |
| 1800 19TH STREET TENANTS' ASSOCIATION, INC. (THE) | — | 992604 | 1999-08-24 | Revoked | |
| 1800 19TH STREET TENANTS' ASSOCIATION, INC. (THE) | — | 992604 | 1999-08-24 | Revoked | |
| 1800 19th Street L.L.C. | — | L00006726477 | 2020-08-20 | Active | |
| 1800 19th Street L.L.C. | — | L00006726477 | 2020-08-20 | Active | Potomac |
| 1800 35TH STREET LLC | — | L40885 | 2008-10-09 | Revoked | |
| 1800 35TH STREET LLC | — | L40885 | 2008-10-09 | Revoked | WASHINGTON |
| 1800 38th. St. LLC | — | L00005731069 | 2017-06-20 | Revoked | Washington |
| 1800 38th. St. LLC | — | L00005731069 | 2017-06-29 | Revoked | |
| 1800 5th Street NW LLC | — | C00006754762 | 2019-11-13 | Active | |
| 1800 5th Street NW LLC | — | C00006754762 | 2020-09-22 | Active | Mclean |
| 1800 ASSOCIATES L.P. | — | 007623 | 1979-02-09 | Canceled | |
| 1800 ASSOCIATES L.P. | — | 007623 | 1979-02-09 | Canceled | LEGACY NO DATA |
| 1800 BELMONT INC. | — | C210329 | 2001-02-01 | Revoked | |
| 1800 BELMONT INC. | — | C210329 | 2001-02-01 | Revoked | |
| 1800 Belmont Arts Marketplace LLC | — | L00004908754 | 2014-03-24 | Revoked | |
| 1800 Belmont Arts Marketplace LLC | — | L00004908754 | 2014-03-24 | Revoked | Washington |
| 1800 CAR WASH DC LLC | — | L00006629822 | 2020-05-18 | Revoked | WASHINGTON |
| 1800 CAR WASH DC LLC | — | L00006629822 | 2020-05-18 | Revoked | |
| 1800 Columbia Potomac Investment Properties LLC | — | L00005598107 | 2017-02-24 | Revoked | Washington |
| 1800 Columbia Potomac Investment Properties LLC | — | L00005598107 | 2017-02-24 | Active | |
| 1800 Columbia Road, LLC | — | L00005310052 | 2015-12-17 | Revoked | |
| 1800 Columbia Road, LLC | — | L00005310052 | 2015-12-17 | Revoked | Washington |
| 1800 EYE STREET CORP. | — | 590443 | 1959-06-05 | Revoked | |
| 1800 EYE STREET CORP. | — | 590443 | 1959-06-05 | Revoked | |
| 1800 EYE STREET LIMITED PARTNERSHIP | — | P04295 | 1970-04-17 | Revoked | |
| 1800 EYE STREET LIMITED PARTNERSHIP | — | P04295 | 1970-04-17 | Revoked | LEGACY NO DATA |
| 1800 FORT DAVIS LLC | — | L11161 | 2002-04-18 | Revoked | WASHINGTON |
| 1800 FORT DAVIS LLC | — | L11161 | 2002-04-18 | Revoked | |
| 1800 Half Street Owner LLC | — | L00006458550 | 2019-12-17 | Active | |
| 1800 Half Street Owner LLC | — | L00006458550 | 2019-12-17 | Active | Washington |
| 1800 INVESTORS L.P. | — | 012196 | 1996-10-15 | Dissolved | |
| 1800 INVESTORS L.P. | — | 012196 | 1996-10-15 | Dissolved | LEGACY NO DATA |
| 1800 K STREET L.P. | — | 220275 | 2004-03-11 | Revoked | LEGACY NO DATA |
| 1800 K STREET L.P. | — | 220272 | 2004-03-08 | Withdrawn | |
| 1800 K STREET L.P. | — | 220275 | 2004-03-11 | Revoked | |
| 1800 K STREET L.P. | — | 220272 | 2004-03-08 | Withdrawn | |
| 1800 M JV LLC | — | US-DC-FN022600294 | 2026-02-04 | Active | New York |
| 1800 M Property Owner LLC | — | L00008208719 | 2024-11-04 | Revoked | |
| 1800 M Property Owner LLC | — | L00008208719 | 2024-12-01 | Revoked | New York |
| 1800 M STREET ASSOCIATES | — | P04261 | 1968-01-22 | Revoked | |
| 1800 M STREET ASSOCIATES | — | P04261 | 1968-01-22 | Revoked | LEGACY NO DATA |
| 1800 M STREET CORP., THE | — | 730332 | 1973-02-01 | Revoked | |
| 1800 M STREET CORP., THE | — | 730332 | 1973-02-01 | Revoked | |
| 1800 M STREET L.L.C. | — | L03240 | 1998-12-23 | Revoked | |
| 1800 M STREET L.L.C. | — | L03240 | 1998-12-23 | Revoked | |
| 1800 M STREET OWNER, LP | — | P00005791527 | 2017-09-15 | Withdrawn | |
| 1800 M STREET OWNER, LP | — | P00005791527 | 2017-10-03 | Withdrawn | New York |
| 1800 M STREET TRS, LP | — | P00005791528 | 2017-09-28 | Active | |
| 1800 M STREET TRS, LP | — | P00005791528 | 2017-10-03 | Withdrawn | New York |
| 1800 M STREET, NE LLC | — | L30886 | 2006-11-17 | Revoked | |
| 1800 M STREET, NE LLC | — | L30886 | 2006-11-17 | Revoked | |
| 1800 MASSACHUSETTS AVENUE | — | 234090 | 2003-11-24 | Active | |
| 1800 MASSACHUSETTS AVENUE | — | 234090 | 2003-11-24 | Active | Washington |
| 1800 NEW HAMPSHIRE AVE, N.W. INC. | — | 026812 | 1941-04-01 | Revoked | |
| 1800 NEW HAMPSHIRE AVE, N.W. INC. | — | 026812 | 1941-04-01 | Revoked | |
| 1800 NEWTON ST NW DC TENANT ASSOCIATION | — | N00007335827 | 2022-04-07 | Revoked | |
| 1800 NEWTON ST NW DC TENANT ASSOCIATION | — | N00007335827 | 2022-04-07 | Revoked | WASHINGTON |
| 1800 Newton LLC | — | L00007291250 | 2022-03-21 | Active | Washington |
| 1800 Newton LLC | — | L00007291250 | 2022-03-21 | Active | |
| 1800 Newton St. NE LLC | — | L00005697466 | 2017-05-07 | Active | |
| 1800 Newton St. NE LLC | — | L00005697466 | 2017-05-07 | Active | Chevy Chase |
| 1800 Newton Street NW LLC | — | L00005062137 | 2014-11-11 | Revoked | Washington |
| 1800 Newton Street NW LLC | — | L00005062137 | 2014-11-11 | Revoked | |
| 1800 R ST C5 LLC | — | L00005227366 | 2015-07-07 | Active | Washington |
| 1800 R ST C5 LLC | — | L00005227366 | 2015-07-07 | Active | |
| 1800 RIA LLC | — | L00005828791 | 2017-12-05 | Revoked | |
| 1800 RIA LLC | — | L00005828791 | 2017-12-05 | Revoked | Washington |
| 1800 Security LLC | — | L00007859999 | 2024-02-01 | Active | |
| 1800 Security LLC | — | L00007859999 | 2023-12-15 | Revoked | Washington |
| 1800 Shepherd St Manor LLC | — | L00007127814 | 2021-10-01 | Active | |
| 1800 Shepherd St Manor LLC | — | L00007127814 | 2021-09-22 | Active | Bowie |
| 1800 Shepherd Street NE Tenants Association, Inc. | — | N00006348371 | 2019-07-22 | Revoked | |
| 1800 Shepherd Street NE Tenants Association, Inc. | — | N00006348371 | 2019-07-22 | Revoked | Washington |
| 1800 WISCONSIN AVENUE L.L.C. | — | L48560 | 2010-03-05 | Active | WASHINGTON |
| 1800 WISCONSIN AVENUE L.L.C. | — | L48560 | 2010-03-05 | Active | |
| 1800MATTRESS.COM LLC | — | L46406 | 2009-10-06 | Active | HOUSTON |
| 1800MATTRESS.COM LLC | — | L46406 | 2009-10-06 | Active | |
| 1801 - 1803 SWANN STREET CONDOMINIUM UNIT OWNERS' ASSOCIATION INC. | — | 298690 | 2010-07-27 | Revoked | |
| 1801 - 1803 SWANN STREET CONDOMINIUM UNIT OWNERS' ASSOCIATION INC. | — | 298690 | 2010-07-27 | Revoked | |
| 1801 13TH ST LLC | — | L0000057012 | 2011-12-07 | Revoked | JEFFERSON |
| 1801 13TH ST LLC | — | L0000057012 | 2011-12-07 | Revoked | |
| 1801 4TH STREET N.W. L.L.C. | — | L43261 | 2009-03-31 | Active | Greenbelt |
| 1801 4TH STREET N.W. L.L.C. | — | L43261 | 2009-03-31 | Active | |
| 1801 A Street LLC | — | L00005011194 | 2014-08-05 | Dissolved | |
| 1801 A Street LLC | — | L00005011194 | 2014-08-05 | Dissolved | Beltsville |
| 1801 BLADENSBURG ROAD LIMITED PARTNERSHIP | — | P0000044772 | 2011-05-05 | Active | Washington |
| 1801 BLADENSBURG ROAD LIMITED PARTNERSHIP | — | P0000044772 | 1989-04-10 | Active | |
| 1801 CALVERT STREET INC. | — | 804225 | 1980-10-10 | Revoked | |
| 1801 CALVERT STREET INC. | — | 804225 | 1980-10-10 | Revoked | |
| 1801 Corporation | — | 971643 | 1997-05-16 | Active | |
| 1801 Corporation | — | 971643 | 1997-05-16 | Active | Washington |
| 1801 D St NE LLC | — | L00008060657 | 2024-05-09 | Revoked | Washington |
| 1801 D St NE LLC | — | L00008060657 | 2024-05-09 | Revoked | |
| 1801 F Street Hospitality LLC | — | US-DC-LL032601680 | 2026-03-24 | Active | Washington |
| 1801 FOXHALL HOMEOWNERS ASSOCIATION Inc. | — | 291757 | 2009-06-12 | Revoked | Olney |
| 1801 FOXHALL HOMEOWNERS ASSOCIATION Inc. | — | 291757 | 2009-06-12 | Revoked | |
| 1801 Gift Shop | — | N00007493422 | 2022-10-27 | Active | Washington |
| 1801 Gift Shop | — | N00007493422 | 2022-10-27 | Active | |
| 1801 I Street NE LLC | — | L00007391232 | 2022-06-21 | Revoked | |
| 1801 I Street NE LLC | — | L00007391232 | 2022-06-21 | Revoked | washington |
| 1801 Investors LLC | — | L00006814514 | 2020-12-16 | Active | |
| 1801 Investors LLC | — | L00006814514 | 2020-12-16 | Active | Washington |
| 1801 K STREET ASSOCIATES L.L.C. | — | L15804 | 2003-08-07 | Revoked | Greenwich |
| 1801 K STREET ASSOCIATES L.L.C. | — | L15804 | 2003-08-07 | Revoked | |
| 1801 K STREET HOLDINGS L.L.C. | — | L15805 | 2003-08-07 | Revoked | Greenwich |
| 1801 K STREET HOLDINGS L.L.C. | — | L15805 | 2003-08-07 | Revoked | |
| 1801 K STREET INVESTORS L.L.C. | — | L15806 | 2003-08-07 | Revoked | |
| 1801 K STREET INVESTORS L.L.C. | — | L15806 | 2003-08-07 | Revoked | Greenwich |
| 1801 K STREET PROPERTY INC. | — | 822626 | 1982-06-04 | Withdrawn | |
| 1801 K STREET PROPERTY INC. | — | 822626 | 1982-06-04 | Withdrawn | |
| 1801 KLEENERS INC. | — | 742850 | 1974-12-05 | Revoked | |
| 1801 KLEENERS INC. | — | 742850 | 1974-12-05 | Revoked | |
| 1801 L GP LLC | — | L0000056760 | 2011-11-22 | Revoked | WASHINGTON |
| 1801 L GP LLC | — | L0000056760 | 2011-11-22 | Revoked | |
| 1801 L ST. LIMITED PARTNERSHIP | — | P00236 | 1987-07-22 | Revoked | |
| 1801 L ST. LIMITED PARTNERSHIP | — | P00236 | 1987-07-22 | Revoked | LEGACY NO DATA |
| 1801 MD AVE LLC | — | L00005048796 | 2014-10-13 | Active | |
| 1801 MD AVE LLC | — | L00005048796 | 2014-10-13 | Active | N. Bethesda |
| 1801 PENN. AVENUE ASSOCIATES LIMITED PARTNERSHIP | — | L02160 | 2001-05-09 | Revoked | |
| 1801 PENN. AVENUE ASSOCIATES LIMITED PARTNERSHIP | — | L02160 | 2001-05-09 | Revoked | ALEXANDRIA |
| 1801 PENN. AVENUE INC. | — | 211553 | 2001-05-09 | Revoked | |
| 1801 PENN. AVENUE INC. | — | 211553 | 2001-05-09 | Revoked | |
| 1801 PENNSYLVANIA AVENUE OF DELAWARE LLC | — | L26878 | 2006-01-26 | Active | |
| 1801 PENNSYLVANIA AVENUE OF DELAWARE LLC | — | L26878 | 2006-01-26 | Active | Boston |
| 1801 TENANT COOPERATIVE ASSOCIATION | — | 854144 | 1985-11-12 | Revoked | |
| 1801 TENANT COOPERATIVE ASSOCIATION | — | 854144 | 1985-11-12 | Revoked | |
| 1801 WEST VIRGINIA LLC | — | L00621 | 1995-12-29 | Active | |
| 1801 WEST VIRGINIA LLC | — | L00621 | 1995-12-29 | Active | Bethesda |
| 1801 WILTBERGER STREET NW INC. | — | 911658 | 1991-05-13 | Revoked | |
| 1801 WILTBERGER STREET NW INC. | — | 911658 | 1991-05-13 | Revoked | |
| 1801 WYOMING AVENUE, N.W., TENANTS ASSOCIATION OF WASHINGTON, D.C. INC. | — | 261614 | 2006-05-25 | Revoked | |
| 1801 WYOMING AVENUE, N.W., TENANTS ASSOCIATION OF WASHINGTON, D.C. INC. | — | 261614 | 2006-05-25 | Revoked | |
| 1801-1803 SWANN STREET LLC | — | L47226 | 2009-11-23 | Dissolved | |
| 1801-1803 SWANN STREET LLC | — | L47226 | 2009-11-23 | Dissolved | Washington |
| 1801-1805 I St NE LLC | — | L00007630809 | 2023-03-18 | Revoked | washington |
| 1801-1805 I St NE LLC | — | L00007630809 | 2023-03-18 | Revoked | |