| 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 | |
| 1801-20TH STREET, N.W. TENANT ASSOCIATION INC. | — | 831794 | 1983-04-11 | Revoked | |
| 1801-20TH STREET, N.W. TENANT ASSOCIATION INC. | — | 831794 | 1983-04-11 | Revoked | |
| 1801-300 Lease Manager LLC | — | US-DC-LL032601504 | 2026-03-23 | Active | Washington |
| 1802 11th Street LLC | — | L00007848002 | 2023-11-28 | Active | |
| 1802 11th Street LLC | — | L00007848002 | 2023-11-28 | Revoked | Sheridan |
| 1802 2nd St NW LLC | — | C00007406101 | 2022-07-07 | Active | |
| 1802 2nd St NW LLC | — | C00007406101 | 2022-05-31 | Active | Washington |
| 1802 Belmont Realty, LLC | — | L00005078700 | 2014-12-22 | Active | Washington |
| 1802 Belmont Realty, LLC | — | L00005078700 | 2014-12-22 | Active | |
| 1802 D St NE LLC | — | L00008469199 | 2025-07-15 | Active | |
| 1802 D St NE LLC | — | L00008469199 | 2025-07-15 | Active | Washington |
| 1802 First St LLC | — | L00006689897 | 2020-07-20 | Active | Chevy Chase |
| 1802 First St LLC | — | L00006689897 | 2020-07-21 | Active | |
| 1802 KEARNEY STREET L.L.C. | — | L20656 | 2004-10-05 | Revoked | |
| 1802 KEARNEY STREET L.L.C. | — | L20656 | 2004-10-05 | Revoked | |
| 1802 T STREET CORPORATION | — | 822834 | 1982-06-16 | Revoked | |
| 1802 T STREET CORPORATION | — | 822834 | 1982-06-16 | Revoked | |
| 1802-1804 D STREET N.E. L.L.C. | — | L00004654168 | 2012-12-10 | Active | McLean |
| 1802-1804 D STREET N.E. L.L.C. | — | L00004654168 | 2012-12-10 | Active | |
| 1803 19TH STREET ASSOCIATES L.L.C. | — | L00283 | 1995-05-18 | Revoked | |
| 1803 19TH STREET ASSOCIATES L.L.C. | — | L00283 | 1995-05-18 | Revoked | |
| 1803 19TH STREET TENANTS ASSOCIATION | — | 801599 | 1980-04-14 | Revoked | |
| 1803 19TH STREET TENANTS ASSOCIATION | — | 801599 | 1980-04-14 | Revoked | |
| 1803 19th Street NW Tenants Association Inc | — | N00005136502 | 2015-03-19 | Revoked | |
| 1803 19th Street NW Tenants Association Inc | — | N00005136502 | 2015-03-19 | Revoked | Washington |
| 1803 37th Street LLC | — | L00005427552 | 2016-04-26 | Revoked | |
| 1803 37th Street LLC | — | L00005427552 | 2016-04-26 | Revoked | Rockville |
| 1803 4th ST L.L.C. | — | L00004562760 | 2012-05-14 | Revoked | |
| 1803 4th ST L.L.C. | — | L00004562760 | 2012-05-14 | Revoked | WASHINGTON |
| 1803 4th Street NW LLC | — | L00004635912 | 2012-10-16 | Revoked | |
| 1803 4th Street NW LLC | — | L00004635912 | 2012-10-17 | Revoked | Great Falls |
| 1803 Bay L.L.C. | — | L00004847815 | 2013-12-19 | Revoked | |
| 1803 Bay L.L.C. | — | L00004847815 | 2013-12-19 | Revoked | bowie |
| 1803 H Street NE LLC | — | L00005418112 | 2016-04-13 | Revoked | |
| 1803 H Street NE LLC | — | L00005418112 | 2016-04-13 | Revoked | Washington |
| 1803 RINE, LLC | — | L00005178735 | 2015-04-16 | Revoked | |
| 1803 RINE, LLC | — | L00005178735 | 2015-04-16 | Revoked | Washington |
| 1803 WILTBERGER STREET NW INC. | — | 911659 | 1991-05-13 | Revoked | |
| 1803 WILTBERGER STREET NW INC. | — | 911659 | 1991-05-13 | Revoked | |
| 1803 ½ Monroe Condominium Unit Owners Association (The) | — | N00007387920 | 2022-06-15 | Revoked | |
| 1803 ½ Monroe Condominium Unit Owners Association (The) | — | N00007387920 | 2022-06-15 | Revoked | Washington |
| 1803FOURTEENTHSTNW LLC | — | L0000054752 | 2011-08-08 | Active | Washington |
| 1803FOURTEENTHSTNW LLC | — | L0000054752 | 2011-08-08 | Active | |
| 1804 1st St NW Incorporated | — | C00005823203 | 2017-11-27 | Active | |
| 1804 1st St NW Incorporated | — | C00005823203 | 2017-11-27 | Active | Washington |
| 1804 37TH ST NW LLC | — | US-DC-LL072600554 | 2026-07-08 | Active | Washington |
| 1804 Institute | — | N00005044870 | 2014-10-03 | Revoked | |
| 1804 Institute | — | N00005044870 | 2014-10-03 | Revoked | Washington |
| 1804 PROPERTIES LLC | — | L33216 | 2007-04-13 | Dissolved | |
| 1804 PROPERTIES LLC | — | L33216 | 2007-04-13 | Dissolved | Washington |
| 1804 Strategic Solutions LLC | — | US-DC-LL062601314 | 2026-06-18 | Active | Washington |
| 1804 T STREET N.W. LIMITED PARTNERSHIP | — | 001388 | 1988-01-12 | Revoked | LEGACY NO DATA |
| 1804 T STREET N.W. LIMITED PARTNERSHIP | — | 001388 | 1988-01-12 | Revoked | |
| 1804 VERNON STREET, LLC | — | C00006978937 | 2024-12-03 | Revoked | Sterling |
| 1804 VERNON STREET, LLC | — | C00006978937 | 2024-12-03 | Active | |
| 1804 Valley Terrace LLC | — | L00006644370 | 2020-06-03 | Revoked | Washington |
| 1804 Valley Terrace LLC | — | L00006644370 | 2020-06-04 | Revoked | |
| 1804 Vernon Street LLC | — | L00004890237 | 2014-03-11 | Revoked | Great Falls |
| 1804 Vernon Street LLC | — | L00004890237 | 2014-03-11 | Revoked | |
| 1805 19th Street L.L.C. | — | L00008251225 | 2025-01-22 | Active | |
| 1805 19th Street L.L.C. | — | L00008251225 | 2025-01-22 | Revoked | Washington |
| 1805 4TH STREET, N.W. INC. | — | 931384 | 1993-04-23 | Revoked | |
| 1805 4TH STREET, N.W. INC. | — | 931384 | 1993-04-23 | Revoked | |
| 1805 CONNECTICUT INC. | — | 783919 | 1978-11-14 | Revoked | |
| 1805 CONNECTICUT INC. | — | 783919 | 1978-11-14 | Revoked | WASHINGTON |
| 1805 CORPORATION | — | 940837 | 1994-03-17 | Revoked | |
| 1805 CORPORATION | — | 940837 | 1994-03-17 | Revoked | |
| 1805 FRANKLIN ST NE LLC | — | L00007035767 | 2021-06-27 | Revoked | |
| 1805 FRANKLIN ST NE LLC | — | L00007035767 | 2021-06-24 | Revoked | Gaithersburg |
| 1805 WILTBERGER STREET NW INC. | — | 911660 | 1991-05-13 | Revoked | |
| 1805 WILTBERGER STREET NW INC. | — | 911660 | 1991-05-13 | Revoked | |
| 1805 Wisconsin Associates LLC | — | US-DC-FN122500923 | 2025-12-21 | Active | Washington |
| 1805 Wisconsin LLC | — | L00007184465 | 2021-12-20 | Active | |
| 1805 Wisconsin LLC | — | L00007184465 | 2021-12-20 | Active | Washington |
| 1805-1809 MD Ave LLC | — | L00005693331 | 2017-05-03 | Active | |
| 1805-1809 MD Ave LLC | — | L00005693331 | 2017-05-03 | Active | Washington DC |
| 1806 9th Street NW LLC | — | L00005305991 | 2015-12-09 | Revoked | Washington |
| 1806 9th Street NW LLC | — | L00005305991 | 2015-12-09 | Revoked | |
| 1806 BELMONT ROAD CONDOMINIUM ASSOCIATION INC. | — | 931021 | 1993-03-26 | Revoked | |
| 1806 BELMONT ROAD CONDOMINIUM ASSOCIATION INC. | — | 931021 | 1993-03-26 | Revoked | |
| 1806 D St NE LLC | — | L00007929540 | 2024-02-23 | Active | |
| 1806 D St NE LLC | — | L00007929540 | 2024-02-22 | Active | Washington |
| 1806 I Street, NE LLC | — | L00005539072 | 2016-11-17 | Active | Washington |
| 1806 I Street, NE LLC | — | L00005539072 | 2016-11-17 | Active | |
| 1806 KILBOUNRE PLACE LLC | — | L02072 | 1997-12-18 | Revoked | |
| 1806 KILBOUNRE PLACE LLC | — | L02072 | 1997-12-18 | Revoked | |
| 1806 MumboMild LLC | — | L00006349319 | 2019-07-23 | Active | |
| 1806 MumboMild LLC | — | L00006349319 | 2019-07-23 | Active | Washington |
| 1806-08 D STREET NE LLC | — | L24109 | 2005-06-28 | Dissolved | WASHINGTON |
| 1806-08 D STREET NE LLC | — | L24109 | 2005-06-28 | Dissolved | |
| 1807 29th St SE LLC | — | L00007376668 | 2022-05-31 | Revoked | |
| 1807 29th St SE LLC | — | L00007376668 | 2022-05-31 | Revoked | Washington |
| 1807 4TH ST. LLC | — | L19050 | 2004-05-19 | Revoked | |
| 1807 4TH ST. LLC | — | L19050 | 2004-05-19 | Revoked | |
| 1807 6TH STREET, N.W. INC. | — | 800894 | 1980-02-28 | Revoked | |
| 1807 6TH STREET, N.W. INC. | — | 800894 | 1980-02-28 | Revoked | |
| 1807 BILTMORE STREET TENANTS ASSOCIATION | — | N00004777344 | 2013-07-09 | Revoked | |
| 1807 BILTMORE STREET TENANTS ASSOCIATION | — | N00004777344 | 2013-07-09 | Revoked | WASHINGTON |
| 1807 CALIFORNIA STREET ASSOCIATES | — | P04655 | 1963-10-11 | Revoked | |
| 1807 CALIFORNIA STREET ASSOCIATES | — | P04655 | 1963-10-11 | Revoked | LEGACY NO DATA |
| 1807 Corporation | — | 942503 | 1994-08-03 | Active | WASHINGTON |
| 1807 Corporation | — | 942503 | 1994-08-03 | Active | |
| 1807 DEVELOPMENT L.L.C. | — | L00140 | 1995-01-04 | Revoked | |
| 1807 DEVELOPMENT L.L.C. | — | L00140 | 1995-01-04 | Revoked | |
| 1807 FLAVDC, LLC | — | L00006316411 | 2019-06-12 | Active | |
| 1807 FLAVDC, LLC | — | L00006316411 | 2019-06-12 | Active | Washington |
| 1807 GSD LLC | — | US-DC-LL052601726 | 2026-05-26 | Active | Washington |
| 1807 Martin Luther King Jr. Ave SE L.L.C. | — | L00006053482 | 2018-08-09 | Active | Washington |
| 1807 Martin Luther King Jr. Ave SE L.L.C. | — | L00006053482 | 2018-08-09 | Active | |
| 1807 WILTBERGER STREET NW INC. | — | 911661 | 1991-05-13 | Revoked | |
| 1807 WILTBERGER STREET NW INC. | — | 911661 | 1991-05-13 | Revoked | |
| 1808 8TH ST LLC | — | L00004674321 | 2013-02-04 | Revoked | |
| 1808 8TH ST LLC | — | L00004674321 | 2013-02-04 | Revoked | WASHINGTON |
| 1808 EYE LLC | — | L13994 | 2003-02-11 | Revoked | |
| 1808 EYE LLC | — | L13994 | 2003-02-11 | Revoked | |
| 1808 Eye Street LP | — | P00005301571 | 2015-11-30 | Revoked | |
| 1808 Eye Street LP | — | P00005301571 | 2015-11-30 | Revoked | Atlanta |
| 1808 Eye Street, Inc. | — | C00005421151 | 2016-04-18 | Withdrawn | Chicago |
| 1808 Eye Street, Inc. | — | C00005421151 | 2016-04-12 | Active | |
| 1808 Florida LLC | — | L00006613991 | 2020-04-19 | Active | Washington |
| 1808 Florida LLC | — | L00006613991 | 2020-04-29 | Active | |
| 1808 Florida Management LLC | — | L00006611140 | 2020-04-19 | Revoked | Washington |
| 1808 Florida Management LLC | — | L00006611140 | 2020-04-27 | Revoked | |
| 1808 I STREET CORPORATION | — | 892386 | 1989-06-27 | Revoked | |
| 1808 I STREET CORPORATION | — | 892386 | 1989-06-27 | Revoked | |
| 1808 I STREET II CORPORATION | — | 912452 | 1991-07-11 | Dissolved | |
| 1808 I STREET II CORPORATION | — | 912452 | 1991-07-11 | Dissolved | |
| 1808 I STREET II LIMITED PARTNERSHIP | — | 009591 | 1991-07-11 | Revoked | |
| 1808 I STREET II LIMITED PARTNERSHIP | — | 009591 | 1991-07-11 | Revoked | LEGACY NO DATA |
| 1808 I STREET LIMITED PARTNERSHIP | — | 024389 | 1989-07-18 | Revoked | |
| 1808 I STREET LIMITED PARTNERSHIP | — | 024389 | 1989-07-18 | Revoked | LEGACY NO DATA |
| 1808 NEW HAMPSHIRE AVE L.L.C. | — | L00004861464 | 2014-01-22 | Dissolved | Washington |
| 1808 NEW HAMPSHIRE AVE L.L.C. | — | L00004861464 | 2014-01-20 | Dissolved | |
| 1808 New Hampshire Ave L.L.C. | — | L00008190742 | 2024-10-24 | Revoked | Washington |
| 1808 New Hampshire Ave L.L.C. | — | L00008190742 | 2024-10-24 | Revoked | |
| 1808 S ST LLC | — | L00008060198 | 2024-05-08 | Active | |
| 1808 S ST LLC | — | L00008060198 | 2024-05-08 | Active | FALLS CHURCH |
| 1808 T STREET, N.W. LLC | — | L29309 | 2006-07-21 | Active | |
| 1808 T STREET, N.W. LLC | — | L29309 | 2006-07-21 | Active | Washington |
| 1809 19TH ST., NW, #1 L.L.C. | — | L19536 | 2004-06-30 | Revoked | |
| 1809 19TH ST., NW, #1 L.L.C. | — | L19536 | 2004-06-30 | Revoked | |
| 1809 20TH STREET L.L.C. | — | L00543 | 1995-12-11 | Active | WASHINGTON |
| 1809 20TH STREET L.L.C. | — | L00543 | 1995-12-11 | Active | |
| 1809 37th Street NW LLC | — | L00005795214 | 2017-10-11 | Dissolved | |
| 1809 37th Street NW LLC | — | L00005795214 | 2017-10-11 | Dissolved | Chevy Chase |
| 1809 BELMONT LLC | — | L24206 | 2005-07-06 | Active | |
| 1809 BELMONT LLC | — | L24206 | 2005-07-06 | Active | Bethesda |
| 1809 Properties LLC | — | L00006657423 | 2020-06-19 | Revoked | |
| 1809 Properties LLC | — | L00006657423 | 2020-06-19 | Revoked | Vienna |
| 1809 WILTBERGER STREET NW INC. | — | 911662 | 1991-05-13 | Revoked | |
| 1809 WILTBERGER STREET NW INC. | — | 911662 | 1991-05-13 | Revoked | |
| 181 36th Street Flats LLC | — | L00008135455 | 2024-08-15 | Revoked | Washington |
| 181 36th Street Flats LLC | — | L00008135455 | 2024-08-15 | Revoked | |
| 1810 15th St LLC | — | L00005533956 | 2016-11-07 | Revoked | Bethesda |
| 1810 15th St LLC | — | L00005533956 | 2016-11-07 | Revoked | |
| 1810 15th St Manager LLC | — | L00005541130 | 2016-11-22 | Revoked | |
| 1810 15th St Manager LLC | — | L00005541130 | 2016-11-22 | Revoked | Bethesda |
| 1810 15th Street NW, LLC | — | L00006067572 | 2017-07-06 | Revoked | |
| 1810 15th Street NW, LLC | — | L00006067572 | 2018-08-31 | Revoked | ALEXANDRIA |
| 1810 29TH STREET S.E. TENANTS ASSOCIATION, INC. | — | N00005245997 | 2015-08-07 | Revoked | |
| 1810 29TH STREET S.E. TENANTS ASSOCIATION, INC. | — | N00005245997 | 2015-08-07 | Revoked | WASHINGTON |
| 1810 29th Street SE LLC | — | L00005728457 | 2017-06-26 | Active | |
| 1810 29th Street SE LLC | — | L00005728457 | 2017-06-26 | Active | Washington |
| 1810 A Street SE LLC | — | L00005834197 | 2017-12-15 | Dissolved | |
| 1810 A Street SE LLC | — | L00005834197 | 2017-12-15 | Dissolved | Washington |
| 1810 CALIFORNIA STREET LTD. PARTNERSHIP | — | P04608 | 1980-08-26 | Revoked | |
| 1810 CALIFORNIA STREET LTD. PARTNERSHIP | — | P04608 | 1980-08-26 | Revoked | LEGACY NO DATA |
| 1810 CALVERT UNIT OWNER'S ASSOCIATION (THE) | — | N0000001847 | 2011-12-19 | Active | |
| 1810 CALVERT UNIT OWNER'S ASSOCIATION (THE) | — | N0000001847 | 2012-01-05 | Active | Washington |
| 1810 Development L.L.C. | — | L00006412436 | 2019-10-16 | Active | |
| 1810 Development L.L.C. | — | L00006412436 | 2019-10-16 | Dissolved | Washington |
| 1810 Florida Ave LLC | — | L00007775332 | 2023-08-18 | Active | |
| 1810 Florida Ave LLC | — | L00007775332 | 2023-08-18 | Active | Washington |
| 1810 Florida Ave NW LLC | — | US-DC-LL052600163 | 2026-05-04 | Active | Washington |
| 1810 Florida LLC | — | US-DC-LL012601161 | 2026-01-20 | Active | Washington |
| 1810 I Street NE Tenant Association | — | N00008456492 | 2025-06-25 | Revoked | Washington |
| 1810 I Street NE Tenant Association | — | N00008456492 | 2025-06-26 | Active | |
| 1810 Irving st L.L.C. | — | L00008211943 | 2024-11-26 | Active | |