| 1816 KALORAMA ROAD, NW TENANTS ASSOCIATION INC. | — | 223835 | 2002-12-04 | Dissolved | |
| 1816 KALORAMA ROAD, NW TENANTS ASSOCIATION INC. | — | 223835 | 2002-12-04 | Dissolved | |
| 1816 LIMITED PARTNERHSIP | — | P05176 | 1977-06-22 | Revoked | |
| 1816 LIMITED PARTNERHSIP | — | P05176 | 1977-06-22 | Revoked | LEGACY NO DATA |
| 1816 MINNESOTA AVENUE SE LLC | — | L00004800254 | 2013-08-22 | Revoked | |
| 1816 MINNESOTA AVENUE SE LLC | — | L00004800254 | 2013-08-22 | Revoked | WASHINGTON |
| 1816 NEW HAMPSHIRE AVE. #B9 L.L.C. | — | L00430 | 1995-09-25 | Active | |
| 1816 NEW HAMPSHIRE AVE. #B9 L.L.C. | — | L00430 | 1995-09-25 | Active | Washington |
| 1816 T STREET, N.W. APARTMENTS INC. | — | 802060 | 1980-05-14 | Revoked | |
| 1816 T STREET, N.W. APARTMENTS INC. | — | 802060 | 1980-05-14 | Revoked | |
| 1816 Varnum St LLC | — | L00005855392 | 2018-06-06 | Revoked | |
| 1816 Varnum St LLC | — | L00005855392 | 2018-01-24 | Revoked | Kensington |
| 1817 13th Street LLC | — | L00005848391 | 2018-01-11 | Revoked | |
| 1817 13th Street LLC | — | L00005848391 | 2018-01-11 | Revoked | Bethesda |
| 1817 8th Street LLC | — | L00005771773 | 2017-08-29 | Dissolved | |
| 1817 8th Street LLC | — | L00005771773 | 2017-08-29 | Dissolved | Chevy Chase |
| 1817 Columbia Road LLC | — | L00004584064 | 2012-07-03 | Revoked | Washington |
| 1817 Columbia Road LLC | — | L00004584064 | 2012-07-03 | Revoked | |
| 1817 FRANKLIN STREET LLC | — | L20255 | 2004-09-01 | Revoked | |
| 1817 FRANKLIN STREET LLC | — | L20255 | 2004-09-01 | Revoked | |
| 1817 KALORAMA RD., N.W. TENANT ASSOCIATION INC. | — | 840893 | 1984-03-14 | Revoked | |
| 1817 KALORAMA RD., N.W. TENANT ASSOCIATION INC. | — | 840893 | 1984-03-14 | Revoked | |
| 1817 KALORAMA ROAD TENANTS' ASSOCIATION INC. | — | 810293 | 1981-01-23 | Revoked | |
| 1817 KALORAMA ROAD TENANTS' ASSOCIATION INC. | — | 810293 | 1981-01-23 | Revoked | |
| 1817 LIMITED PARTNERSHIP | — | P04439 | 1981-02-02 | Revoked | |
| 1817 LIMITED PARTNERSHIP | — | P04439 | 1981-02-02 | Revoked | LEGACY NO DATA |
| 1817 M STREET L.L.C. | — | L00649 | 1995-10-25 | Active | |
| 1817 M STREET L.L.C. | — | L00649 | 1995-10-25 | Active | WASHINGTON |
| 1817 Monroe LLC | — | L00008110544 | 2024-07-11 | Revoked | Washington |
| 1817 Monroe LLC | — | L00008110544 | 2024-07-11 | Revoked | |
| 1817 NINETEENTH STREET, NORTHWEST INC. | — | 791863 | 1979-05-18 | Revoked | |
| 1817 NINETEENTH STREET, NORTHWEST INC. | — | 791863 | 1979-05-18 | Revoked | |
| 1817 Nineteenth Street Northwest Incorporated | — | N00007755424 | 2023-07-22 | Active | |
| 1817 Nineteenth Street Northwest Incorporated | — | N00007755424 | 2023-07-22 | Active | Washington |
| 1817 Riggs Place LLC | — | L00004799707 | 2013-08-21 | Revoked | |
| 1817 Riggs Place LLC | — | L00004799707 | 2013-08-21 | Revoked | Washington |
| 1817 VERNON STREET LIMITED PARTNERSHIP | — | P04046 | 1980-01-30 | Expired | |
| 1817 lamont street condominiums Cooperative Association | — | A00007405977 | 2022-07-06 | Active | |
| 1817 lamont street condominiums Cooperative Association | — | A00007405977 | 2022-07-06 | Active | washington |
| 1818 16th Street N.W., LLC | — | L00007768694 | 2023-01-23 | Active | |
| 1818 16th Street N.W., LLC | — | L00007768694 | 2023-08-11 | Active | Denver |
| 1818 1ST STREET, NW LLC | — | L0000053892 | 2011-06-22 | Revoked | Great Falls |
| 1818 1ST STREET, NW LLC | — | L0000053892 | 2011-06-22 | Revoked | |
| 1818 1st Condominium Assoc | — | N00004609629 | 2012-08-16 | Revoked | washington |
| 1818 1st Condominium Assoc | — | N00004609629 | 2012-08-16 | Revoked | |
| 1818 3RD PARTNERS LLC | — | L00005567063 | 2017-01-18 | Revoked | |
| 1818 3RD PARTNERS LLC | — | L00005567063 | 2017-01-18 | Revoked | Washington |
| 1818 BENNING ROAD LLC | — | L31882 | 2007-01-25 | Active | |
| 1818 BENNING ROAD LLC | — | L31882 | 2007-01-25 | Active | WALDORF |
| 1818 C STREET CONDOMINIUM Limited Liability Company | — | L00006680322 | 2020-07-09 | Active | Washington |
| 1818 C STREET CONDOMINIUM Limited Liability Company | — | L00006680322 | 2020-07-14 | Active | |
| 1818 C STREET SE LLC | — | L00004911261 | 2014-03-25 | Revoked | Washington |
| 1818 C STREET SE LLC | — | L00004911261 | 2014-03-25 | Revoked | |
| 1818 CONTRACTING LLC | — | L0000051391 | 2011-02-18 | Revoked | |
| 1818 CONTRACTING LLC | — | L0000051391 | 2011-02-18 | Revoked | Washington |
| 1818 CONTRACTING, LLC | — | 301996 | — | | |
| 1818 GP Inc. | — | 973644 | 1997-11-05 | Active | |
| 1818 GP Inc. | — | 973644 | 1997-11-05 | Active | Washington |
| 1818 Gainesville LLC | — | L00006083145 | 2018-09-26 | Revoked | |
| 1818 Gainesville LLC | — | L00006083145 | 2018-09-26 | Revoked | Washington |
| 1818 JEFFERSON PLACE LLC | — | L36292 | 2007-11-27 | Revoked | |
| 1818 JEFFERSON PLACE LLC | — | L36292 | 2007-11-27 | Revoked | |
| 1818 KALORAMA LLC | — | L24212 | 2005-07-06 | Active | |
| 1818 KALORAMA LLC | — | L24212 | 2005-07-06 | Active | Bethesda |
| 1818 L INC. | — | 721419 | 1972-05-26 | Revoked | |
| 1818 L INC. | — | 721419 | 1972-05-26 | Revoked | |
| 1818 Legacy Project Incorporated | — | US-DC-NP122500482 | 2025-12-15 | Revoked | Washington |
| 1818 N STREET HOLDINGS INC. | — | 922589 | 1992-07-21 | Revoked | |
| 1818 N STREET HOLDINGS INC. | — | 922589 | 1992-07-21 | Revoked | |
| 1818 NEW YORK AVENUE INC. | — | 894745 | 1989-12-28 | Revoked | |
| 1818 NEW YORK AVENUE INC. | — | 894745 | 1989-12-28 | Revoked | |
| 1818 NEW YORK AVENUE LIMITED PARTNERSHIP | — | 007789 | 1989-03-23 | Revoked | LEGACY NO DATA |
| 1818 NEW YORK AVENUE LIMITED PARTNERSHIP | — | 007789 | 1989-03-23 | Revoked | |
| 1818 Property LLC | — | L00005087584 | 2015-01-14 | Active | |
| 1818 Property LLC | — | L00005087584 | 2015-01-14 | Revoked | Temple Hills |
| 1818 Q Street Tenants LLC | — | US-DC-LL122500513 | 2025-12-15 | Revoked | Washington |
| 1818 RIGGS PLACE ASSOCIATES LLC | — | L03289 | 1998-12-31 | Revoked | |
| 1818 RIGGS PLACE ASSOCIATES LLC | — | L03289 | 1998-12-31 | Revoked | WASHINGTON |
| 1818 Rhode Island Ave NE LLC | — | L00007700648 | 2023-05-09 | Active | |
| 1818 Rhode Island Ave NE LLC | — | L00007700648 | 2023-05-09 | Active | Beltsville |
| 1818 Riggs Pl Tenants Association | — | US-DC-NP062601074 | 2026-06-16 | Active | Washington |
| 1818 Riggs St NW AV, L.L.C. | — | L00007953126 | 2024-03-01 | Active | Washington |
| 1818 SOCIETY (THE) | — | 791996 | 1979-08-30 | Active | |
| 1818 SOCIETY (THE) | — | 791996 | 1979-08-30 | Active | Washington |
| 1818 VERNON STREET TENANTS' ASSOCIATION INC. | — | 823588 | 1982-08-03 | Revoked | |
| 1818 VERNON STREET TENANTS' ASSOCIATION INC. | — | 823588 | 1982-08-03 | Revoked | |
| 1818-19TH STREET LIMITED PARTNERSHIP | — | P00555 | 1985-06-25 | Expired | |
| 1819 14TH STREET LLC | — | L37329 | 2008-02-13 | Revoked | Washington |
| 1819 14TH STREET LLC | — | L37329 | 2008-02-13 | Revoked | |
| 1819 14TH VENTURES LLC | — | L47475 | 2009-12-10 | Revoked | |
| 1819 14TH VENTURES LLC | — | L47475 | 2009-12-10 | Revoked | Washington |
| 1819 15th Development LLC | — | L00006937476 | 2021-03-24 | Active | Vienna |
| 1819 15th Development LLC | — | L00006937476 | 2021-03-24 | Active | |
| 1819 19TH ST. LLC | — | L09116 | 2001-08-06 | Revoked | |
| 1819 19TH ST. LLC | — | L09116 | 2001-08-06 | Revoked | |
| 1819 A St SE LLC | — | L00008179603 | 2024-10-07 | Revoked | |
| 1819 A St SE LLC | — | L00008179603 | 2024-10-07 | Revoked | Washington |
| 1819 Columbia Road LLC | — | L00007619694 | 2023-03-13 | Active | |
| 1819 Columbia Road LLC | — | L00007619694 | 2023-03-13 | Active | Washington |
| 1819 Eighteenth St LLC | — | L00007012341 | 2021-05-22 | Active | |
| 1819 Eighteenth St LLC | — | L00007012341 | 2021-05-19 | Revoked | Washington |
| 1819 IRVING STREET, NE LLC | — | L44022 | 2009-05-01 | Revoked | |
| 1819 IRVING STREET, NE LLC | — | L44022 | 2009-05-01 | Revoked | |
| 1819 L STREET ASSOCIATES | — | P04611 | 1980-08-12 | Revoked | |
| 1819 L STREET ASSOCIATES | — | P04611 | 1980-08-12 | Revoked | LEGACY NO DATA |
| 1819 LLC | — | L00006599191 | 2020-03-16 | Withdrawn | Philadelphia |
| 1819 LLC | — | L00006599191 | 2018-04-17 | Withdrawn | |
| 1819 M STREET INC. | — | 651782 | 1965-11-17 | Revoked | |
| 1819 M STREET INC. | — | 651782 | 1965-11-17 | Revoked | |
| 1819 M STREET LLC | — | L18150 | 2004-03-15 | Revoked | |
| 1819 M STREET LLC | — | L18150 | 2004-03-15 | Revoked | |
| 1819 MEDIA, LLC | — | L00007065556 | 2021-07-22 | Dissolved | Washington |
| 1819 MEDIA, LLC | — | L00007065556 | 2021-07-22 | Dissolved | |
| 1819 Vernon LLC | — | L00005964500 | 2018-04-11 | Revoked | Washington |
| 1819 Vernon LLC | — | L00005964500 | 2018-04-11 | Revoked | |
| 1819-21 EAST CAPITOL ST.,S.E. ASSOCIATES LIMITED PARTNERSHIP | — | P00800 | 1985-12-13 | Expired | |
| 182 36TH ST LLC | — | L00004547807 | 2012-04-10 | Revoked | Baltimore |
| 182 36TH ST LLC | — | L00004547807 | 2011-04-05 | Revoked | |
| 182 36TH STREET, N.E. L.L.C. | — | L00220 | 1995-03-29 | Revoked | |
| 182 36TH STREET, N.E. L.L.C. | — | L00220 | 1995-03-29 | Revoked | |
| 182 CHESAPEAKE STREET LLC | — | L51470 | 2020-12-14 | Active | WASHINGTON |
| 182 CHESAPEAKE STREET LLC | — | L51470 | 2010-08-09 | Active | |
| 1820 24th PL Limited Liability Company | — | L00007864491 | 2023-12-23 | Active | |
| 1820 24th PL Limited Liability Company | — | L00007864491 | 2023-12-01 | Dissolved | Washington |
| 1820 C Street LLC | — | L00007870698 | 2024-01-01 | Revoked | Washington |
| 1820 C Street LLC | — | L00007870698 | 2024-01-03 | Revoked | |
| 1820 CALIFORNIA ST. N.W. TENANTS ASSOCIATION INC. | — | 792805 | 1979-07-30 | Dissolved | |
| 1820 CALIFORNIA ST. N.W. TENANTS ASSOCIATION INC. | — | 792805 | 1979-07-30 | Dissolved | |
| 1820 CALIFORNIA STREET COOPERATIVE | — | 830667 | 2023-01-17 | Active | Washington |
| 1820 CALIFORNIA STREET COOPERATIVE | — | 830667 | 1983-02-07 | Active | |
| 1820 CLYDESDALE COOPERATIVE INC. | — | 852805 | 1985-07-31 | Active | |
| 1820 CLYDESDALE COOPERATIVE INC. | — | 852805 | 1985-07-31 | Active | Washington |
| 1820 CLYDESDALE PL., N.W. TENANT ASSOCIATION INC. | — | 841142 | 1984-03-30 | Revoked | |
| 1820 CLYDESDALE PL., N.W. TENANT ASSOCIATION INC. | — | 841142 | 1984-03-30 | Revoked | |
| 1820 Irving St NE Tenants Association | — | N00007101352 | 2021-09-02 | Revoked | WASHINGTON |
| 1820 Irving St NE Tenants Association | — | N00007101352 | 2021-09-02 | Revoked | |
| 1820 Irving Street NE LLC | — | L00005597684 | 2017-02-24 | Active | |
| 1820 Irving Street NE LLC | — | L00005597684 | 2017-02-24 | Active | Washington |
| 1820 SWANN STREET LLC | — | L02103 | 1998-01-06 | Active | |
| 1820 SWANN STREET LLC | — | L02103 | 1998-01-06 | Active | CHANTILLY |
| 1820 SWANN STREET TENANTS ASSOCIATION INC. | — | 973174 | 1997-09-26 | Revoked | |
| 1820 SWANN STREET TENANTS ASSOCIATION INC. | — | 973174 | 1997-09-26 | Revoked | |
| 1821 - 19TH STREET, NW LTD PARTNERSHIP | — | P02477 | 1982-05-19 | Revoked | |
| 1821 - 19TH STREET, NW LTD PARTNERSHIP | — | P02477 | 1982-05-19 | Revoked | LEGACY NO DATA |
| 1821 23RD STREET LLC | — | L46438 | 2009-10-05 | Revoked | |
| 1821 23RD STREET LLC | — | L46438 | 2009-10-05 | Revoked | |
| 1821 BELMONT ROAD L.L.C. | — | L01652 | 1997-07-11 | Revoked | |
| 1821 BELMONT ROAD L.L.C. | — | L01652 | 1997-07-11 | Revoked | |
| 1821 BELMONT ROAD TENANTS ASSOCIATION | — | 970853 | 1997-03-17 | Dissolved | |
| 1821 BELMONT ROAD TENANTS ASSOCIATION | — | 970853 | 1997-03-17 | Dissolved | |
| 1821 CORCORAN ST LLC | — | L00008404921 | 2025-04-22 | Active | |
| 1821 CORCORAN ST LLC | — | L00008404921 | 2025-04-14 | Dissolved | WASHINGTON |
| 1821 I St NE LLC | — | L00006754811 | 2020-09-22 | Revoked | |
| 1821 I St NE LLC | — | L00006754811 | 2020-09-22 | Revoked | Washington |
| 1821 I Street NE Condominium Association, Inc. | — | N00007552679 | 2023-01-24 | Active | Washington |
| 1821 I Street NE Condominium Association, Inc. | — | N00007552679 | 2023-01-24 | Active | |
| 1821 JEFFERSON PLACE LLC | — | L24534 | 2005-08-01 | Revoked | WASHINGTON |
| 1821 JEFFERSON PLACE LLC | — | L24534 | 2005-08-01 | Revoked | |
| 1821 Kalorama Rd L.L.C. | — | L00006332493 | 2019-07-03 | Active | WASHINGTON |
| 1821 Kalorama Rd L.L.C. | — | L00006332493 | 2019-07-08 | Active | |
| 1821 LIMITED LIABILITY COMPANY | — | L16974 | 2003-12-08 | Dissolved | |
| 1821 LIMITED LIABILITY COMPANY | — | L16974 | 2003-12-08 | Dissolved | |
| 1821 Morris Rd LLC | — | L00006662695 | 2020-07-01 | Revoked | Washington |
| 1821 Morris Rd LLC | — | L00006662695 | 2019-10-10 | Revoked | |
| 1821 NEWTON PROPERTY, LLC | — | L00004968365 | 2014-05-30 | Revoked | WASHINGTON |
| 1821 NEWTON PROPERTY, LLC | — | L00004968365 | 2014-05-30 | Revoked | |
| 1821 Newton Street NW LLC | — | L00004826401 | 2013-10-23 | Revoked | |
| 1821 Newton Street NW LLC | — | L00004826401 | 2013-10-23 | Revoked | Washington |
| 1821 PROVIDENCE LLC | — | L00006482717 | 2020-01-17 | Revoked | |
| 1821 PROVIDENCE LLC | — | L00006482717 | 2020-01-17 | Revoked | WASHINGTON |
| 1822 15TH STREET ASSOCIATES LTD. PTSHP | — | P02733 | 1981-06-01 | Revoked | |
| 1822 15TH STREET ASSOCIATES LTD. PTSHP | — | P02733 | 1981-06-01 | Revoked | LEGACY NO DATA |
| 1822 4TH STREET L.L.C. | — | L0000054506 | 2011-07-26 | Revoked | Washington |
| 1822 4TH STREET L.L.C. | — | L0000054506 | 2011-07-25 | Revoked | |
| 1822 4TH STREET LLC | — | L20968 | 2004-10-29 | Revoked | |
| 1822 4TH STREET LLC | — | L20968 | 2004-10-29 | Revoked | |
| 1822 BILTMORE ST. TENANT'S ASSOCIATION | — | 802653 | 1980-06-23 | Revoked | |
| 1822 BILTMORE ST. TENANT'S ASSOCIATION | — | 802653 | 1980-06-23 | Revoked | |
| 1822 C ST L.L.C. | — | C00007020202 | 2016-05-19 | Revoked | |
| 1822 C ST L.L.C. | — | C00007020202 | 2021-03-26 | Revoked | Alexandria |
| 1822 KALORAMA ROAD LLC | — | L18591 | 2004-04-16 | Revoked | |
| 1822 KALORAMA ROAD LLC | — | L18591 | 2004-04-16 | Revoked | |
| 1822 KENDALL | — | N00006392364 | 2019-09-19 | Revoked | |
| 1822 KENDALL | — | N00006392364 | 2019-09-19 | Revoked | WASHINGTON |
| 1822 KENDALL STREET LLC | — | L0000055450 | 2011-09-13 | Revoked | |
| 1822 KENDALL STREET LLC | — | L0000055450 | 2011-09-13 | Revoked | Washington |
| 1822 Kalorama Road Associates LLC | — | L00006355210 | 2019-07-23 | Active | Washington |
| 1822 Kalorama Road Associates LLC | — | L00006355210 | 2019-08-19 | Active | |
| 1822 LLC | — | L24756 | 2005-08-17 | Active | |
| 1822 LLC | — | L24756 | 2005-08-17 | Active | Washington |
| 1822 Lamont Street NW L.L.C. | — | L00005884901 | 2018-02-27 | Revoked | |
| 1822 Lamont Street NW L.L.C. | — | L00005884901 | 2018-02-27 | Revoked | Washington |
| 1822 NEW HAMPSHIRE AVE. NW TENANTS ASSOCIATION INC. | — | 901730 | 1990-05-11 | Revoked | |
| 1822 NEW HAMPSHIRE AVE. NW TENANTS ASSOCIATION INC. | — | 901730 | 1990-05-11 | Revoked | |
| 1822 North Capital LLC | — | L00004854137 | 2014-01-08 | Active | Washington, |
| 1822 North Capital LLC | — | L00004854137 | 2014-01-08 | Active | |
| 1822 TENANTS ASSOCIATION, INC., THE | — | 243263 | 2004-10-22 | Revoked | |
| 1822 TENANTS ASSOCIATION, INC., THE | — | 243263 | 2004-10-22 | Revoked | |
| 1823 East Cap LLC | — | L00008424744 | 2025-05-16 | Revoked | BOWIE |
| 1823 East Cap LLC | — | L00008424744 | 2025-05-16 | Active | |