| 1400 NEW YORK AVENUE TENANT L.L.C. | — | L40879 | 2008-10-01 | Canceled | |
| 1400 NEW YORK AVENUE TENANT L.L.C. | — | L40879 | 2008-10-01 | Canceled | |
| 1400 NORTH CAPITOL LLC | — | L17906 | 2004-02-25 | Revoked | Washington |
| 1400 NORTH CAPITOL LLC | — | L17906 | 2004-02-25 | Revoked | |
| 1400 OGLETHORPE STREET LLC | — | L52465 | 2010-10-06 | Revoked | |
| 1400 OGLETHORPE STREET LLC | — | L52465 | 2010-10-06 | Revoked | |
| 1400 PENNSYLVANIA AVE. S.E., LLC | — | L00004197883 | 2012-03-12 | Active | Bethesda |
| 1400 PENNSYLVANIA AVE. S.E., LLC | — | L00004197883 | 2012-03-12 | Active | |
| 1400 PENNSYLVANIA AVENUE LLC | — | L45490 | 2009-09-14 | Revoked | |
| 1400 PENNSYLVANIA AVENUE LLC | — | L45490 | 2009-09-14 | Revoked | |
| 1400 RHODE ISLAND AVENUE N.W. L.L.C. | — | L15304 | 2003-06-18 | Active | |
| 1400 RHODE ISLAND AVENUE N.W. L.L.C. | — | L15304 | 2003-06-18 | Active | Greenbelt |
| 1400 Rainbow LLC | — | L00008436684 | 2025-06-03 | Active | |
| 1400 Rainbow LLC | — | L00008436684 | 2025-06-03 | Revoked | Washington |
| 1400 SIXTEENTH LAND LLC | — | L15775 | 2003-08-05 | Merged | |
| 1400 SIXTEENTH LAND LLC | — | L15775 | 2003-08-05 | Merged | |
| 1400 SOMERSET PLACE NW TENANTS' ASSOCIATION INC. | — | 281501 | 2008-05-21 | Revoked | |
| 1400 SOMERSET PLACE NW TENANTS' ASSOCIATION INC. | — | 281501 | 2008-05-21 | Revoked | |
| 1400 SPRING RD LLC | — | L00004557047 | 2012-04-30 | Active | |
| 1400 SPRING RD LLC | — | L00004557047 | 2012-04-30 | Active | PHILADELPHIA |
| 1400 SRAF LLC | — | L35428 | 2007-10-01 | Revoked | |
| 1400 SRAF LLC | — | L35428 | 2007-10-01 | Revoked | Washington |
| 1400 T STREET, LLC | — | L28639 | 2006-05-30 | Withdrawn | |
| 1400 T STREET, LLC | — | L28639 | 2006-05-30 | Withdrawn | Washington |
| 1400 TWENTY-NINTH STREET L.L.C. | — | L00470 | 1995-10-25 | Revoked | |
| 1400 TWENTY-NINTH STREET L.L.C. | — | L00470 | 1995-10-25 | Revoked | |
| 1400 VAN BUREN STREET L.L.C. | — | L01291 | 1997-02-05 | Active | |
| 1400 VAN BUREN STREET L.L.C. | — | L01291 | 1997-02-05 | Active | Washington |
| 1400 W STREET LLC | — | L01000 | 1996-08-19 | Active | Bethesda |
| 1400 W STREET LLC | — | L01000 | 1996-08-19 | Active | |
| 1400-1404 OGLETHORPE STREET TENANTS ASSOCIATION, INC. (THE) | — | 231935 | 2003-06-03 | Revoked | |
| 1400-1404 OGLETHORPE STREET TENANTS ASSOCIATION, INC. (THE) | — | 231935 | 2003-06-03 | Revoked | |
| 1400STAPLES L.L.C. | — | L00006527942 | 2020-03-02 | Revoked | Washington |
| 1400STAPLES L.L.C. | — | L00006527942 | 2020-03-05 | Revoked | |
| 1400Staples LLC | — | L00008574635 | 2025-11-21 | Active | WASHINGTON |
| 1400Staples LLC | — | L00008574635 | 2025-11-21 | Active | |
| 1401 14TH STREET, NW LLC | — | L06663 | 2000-09-11 | Revoked | |
| 1401 14TH STREET, NW LLC | — | L06663 | 2000-09-11 | Revoked | |
| 1401 1ST ST, NW BUILDERS LLC | — | L40107 | 2008-08-19 | Revoked | |
| 1401 1ST ST, NW BUILDERS LLC | — | L40107 | 2008-08-19 | Revoked | |
| 1401 22nd St SE LLC | — | L00005321553 | 2016-01-12 | Revoked | Washington |
| 1401 22nd St SE LLC | — | L00005321553 | 2016-01-12 | Revoked | |
| 1401 34th LLC | — | L00006039445 | 2018-07-20 | Withdrawn | |
| 1401 34th LLC | — | L00006039445 | 2018-07-20 | Withdrawn | Vienna |
| 1401 44TH STREET, N.W., LLC | — | L00005966027 | 2018-04-12 | Active | WASHINGTON |
| 1401 44TH STREET, N.W., LLC | — | L00005966027 | 2018-04-12 | Active | |
| 1401 BANGOR LLC | — | L00005536891 | 2016-11-14 | Revoked | DERWOOD |
| 1401 BANGOR LLC | — | L00005536891 | 2016-11-14 | Revoked | |
| 1401 COLUMBIA ROAD LIMITED PARTNERSHIP | — | P00227 | 1987-07-07 | Revoked | |
| 1401 COLUMBIA ROAD LIMITED PARTNERSHIP | — | P00227 | 1987-07-07 | Revoked | LEGACY NO DATA |
| 1401 COLUMBIA ROAD LLC | — | L43199 | 2009-04-02 | Active | |
| 1401 COLUMBIA ROAD LLC | — | L43199 | 2009-04-02 | Active | Washington |
| 1401 Church St Unit 120 LLC | — | US-DC-LL052601740 | 2026-05-26 | Active | Washington |
| 1401 Columbia Rd NW Apt 410 Holding L.L.C. | — | L00007779192 | 2023-08-24 | Revoked | |
| 1401 Columbia Rd NW Apt 410 Holding L.L.C. | — | L00007779192 | 2023-08-24 | Revoked | Washington |
| 1401 EAST CAPITOL STREET, S.E. LIMITED PARTNERSHIP | — | P01702 | 1979-04-27 | Revoked | |
| 1401 EAST CAPITOL STREET, S.E. LIMITED PARTNERSHIP | — | P01702 | 1979-04-27 | Revoked | LEGACY NO DATA |
| 1401 EMERSON LLC | — | L00005372133 | 2016-03-16 | Revoked | |
| 1401 EMERSON LLC | — | L00005372133 | 2016-03-16 | Revoked | ODENTON |
| 1401 EYE HOLDINGS, LLC | — | L00005235261 | 2015-07-20 | Active | Chicago |
| 1401 EYE HOLDINGS, LLC | — | L00005235261 | 2015-07-06 | Active | |
| 1401 FAIRMONT STREET TENANTS COUNCIL INC. | — | 690975 | 1969-04-28 | Revoked | |
| 1401 FAIRMONT STREET TENANTS COUNCIL INC. | — | 690975 | 1969-04-28 | Revoked | |
| 1401 FLORIDA AVENUE NW LLC | — | L48785 | 2010-03-23 | Dissolved | |
| 1401 FLORIDA AVENUE NW LLC | — | L48785 | 2010-03-23 | Dissolved | |
| 1401 H DC HOLDING LLC | — | US-DC-FN062601985 | 2026-06-30 | Active | Bryn Mawr |
| 1401 H DC Operating Company LLC | — | C00008282265 | 2025-02-20 | Active | Bryn Mawr |
| 1401 H DC Operating Company LLC | — | C00008282265 | 2025-01-29 | Active | |
| 1401 H DC Property Company LLC | — | L00008265134 | 2025-02-03 | Active | |
| 1401 H DC Property Company LLC | — | L00008265134 | 2025-02-03 | Active | Melville |
| 1401 H OWNER LLC | — | L19133 | 2004-05-26 | Revoked | |
| 1401 H OWNER LLC | — | L19133 | 2004-05-26 | Revoked | |
| 1401 HALF ST. S.W. | — | 784087 | 1978-11-29 | Revoked | |
| 1401 HALF ST. S.W. | — | 784087 | 1978-11-29 | Revoked | |
| 1401 INC. | — | 702596 | 1970-11-02 | Revoked | |
| 1401 INC. | — | 702596 | 1970-11-02 | Revoked | |
| 1401 K ASSOCIATES LLC | — | L46678 | 2009-10-20 | Revoked | |
| 1401 K ASSOCIATES LLC | — | L46678 | 2009-10-20 | Revoked | North Bethesda |
| 1401 K OWNER LLC | — | L39701 | 2008-07-15 | Dissolved | North Bethesda |
| 1401 K OWNER LLC | — | L39701 | 2008-07-15 | Dissolved | |
| 1401 K Street LLC | — | L00005112660 | 2015-03-03 | Dissolved | |
| 1401 K Street LLC | — | L00005112660 | 2015-03-03 | Dissolved | Beltsville |
| 1401 L.L.C. | — | L00768 | 1996-03-27 | Revoked | |
| 1401 L.L.C. | — | L00768 | 1996-03-27 | Revoked | |
| 1401 LLC | — | L00006769219 | 2020-10-09 | Revoked | |
| 1401 LLC | — | L00006769219 | 2020-10-09 | Revoked | Washington |
| 1401 Manager, Inc. | — | C00006118847 | 2018-11-27 | Active | Washington |
| 1401 Manager, Inc. | — | C00006118847 | 2018-11-27 | Active | |
| 1401 Maryland Ave NE LLC | — | L00005330376 | 2016-01-29 | Active | |
| 1401 Maryland Ave NE LLC | — | L00005330376 | 2016-01-29 | Active | Austin |
| 1401 Massachusetts Avenue Partners LLC | — | C00006705985 | 2018-11-13 | Active | |
| 1401 Massachusetts Avenue Partners LLC | — | C00006705985 | 2020-08-03 | Active | BOSTON |
| 1401 NEW YORK AVENUE ASSOCIATES | — | P03494 | 1981-12-03 | Revoked | |
| 1401 NEW YORK AVENUE ASSOCIATES | — | P03494 | 1981-12-03 | Revoked | |
| 1401 NEW YORK AVENUE INC. | — | 900358 | 1990-01-30 | Revoked | |
| 1401 NEW YORK AVENUE INC. | — | 900358 | 1990-01-30 | Revoked | Purchase |
| 1401 NYA REO, LLC | — | L00004685009 | 2013-02-27 | Active | |
| 1401 NYA REO, LLC | — | L00004685009 | 2013-02-27 | Active | NEW YORK |
| 1401 OAK ST. LLC | — | L28640 | 2006-05-30 | Revoked | |
| 1401 OAK ST. LLC | — | L28640 | 2006-05-30 | Revoked | |
| 1401 Potomac Hall LLC | — | L00005758939 | 2025-01-16 | Merged | Washington |
| 1401 Potomac Hall LLC | — | L00008246256 | 2025-01-14 | Active | Bethesda |
| 1401 Potomac Hall LLC | — | L00008246256 | 2025-01-14 | Active | |
| 1401 Potomac Hall LLC | — | L00005758939 | 2025-01-16 | Merged | |
| 1401 REALTY CORP. | — | 610855 | 1961-09-26 | Withdrawn | |
| 1401 REALTY CORP. | — | 610855 | 1961-09-26 | Withdrawn | |
| 1401 S St NW Tenants' Association | — | N00007954732 | 2024-03-08 | Active | |
| 1401 S St NW Tenants' Association | — | N00007954732 | 2024-03-08 | Revoked | Washington |
| 1401 S. FERNE ST. INC. | — | 551277 | 1955-02-16 | Revoked | |
| 1401 S. FERNE ST. INC. | — | 551277 | 1955-02-16 | Revoked | |
| 1401 SHERIDAN ST, NW LLC | — | L22968 | 2005-04-08 | Revoked | |
| 1401 SHERIDAN ST, NW LLC | — | L22968 | 2005-04-08 | Revoked | |
| 1401 South Carolina LLC | — | L00004675095 | 2013-02-05 | Revoked | Washington |
| 1401 South Carolina LLC | — | L00004675095 | 2013-02-05 | Revoked | |
| 1401 T ST LLC | — | L0000052788 | 2011-04-29 | Active | |
| 1401 T ST LLC | — | L0000052788 | 2011-04-29 | Active | WASHINGTON |
| 1401 Tuckerman St NW LLC | — | L00004958322 | 2014-05-13 | Dissolved | |
| 1401 Tuckerman St NW LLC | — | L00004958322 | 2014-05-13 | Dissolved | Potomac |
| 1401 Tuckerman Tenants Association | — | N00004944175 | 2014-04-18 | Revoked | |
| 1401 Tuckerman Tenants Association | — | N00004944175 | 2014-04-18 | Revoked | Washington |
| 1401 Urban Holdings L.L.C. | — | L00006194951 | 2019-03-04 | Active | |
| 1401 Urban Holdings L.L.C. | — | L00006194951 | 2019-03-04 | Revoked | WASHINGTON |
| 1401 Urban L.L.C. | — | L00004650516 | 2012-11-29 | Active | Washington |
| 1401 Urban L.L.C. | — | L00004650516 | 2012-11-29 | Active | |
| 1401 Vertical Holdings LLC | — | L00005717388 | 2017-06-09 | Active | |
| 1401 Vertical Holdings LLC | — | L00005717388 | 2017-06-09 | Active | Bethesda |
| 1401 W VIRGINIA AVENUE LLC | — | L00006428851 | 2019-11-08 | Revoked | |
| 1401 W VIRGINIA AVENUE LLC | — | L00006428851 | 2019-11-08 | Revoked | BOWIE |
| 1401 West Virginia LLC | — | L00006382436 | 2019-09-04 | Revoked | |
| 1401 West Virginia LLC | — | L00006382436 | 2019-09-04 | Revoked | Stone Ridge |
| 1401-09 11TH STREET COOPERATIVE ASSOCIATION (THE) | — | 902136 | 1990-06-12 | Revoked | |
| 1401-09 11TH STREET COOPERATIVE ASSOCIATION (THE) | — | 902136 | 1990-06-12 | Revoked | |
| 1402 12th LLC | — | L00006855412 | 2021-02-05 | Active | |
| 1402 12th LLC | — | L00006855412 | 2021-02-05 | Dissolved | Gaithersburg |
| 1402 18th Pl SE L.L.C. | — | L00007080485 | 2021-08-09 | Revoked | |
| 1402 18th Pl SE L.L.C. | — | L00007080485 | 2021-08-01 | Revoked | Bowie |
| 1402 5th Street NW LLC | — | L00006644636 | 2023-09-29 | Revoked | washington |
| 1402 5th Street NW LLC | — | L00006644636 | 2020-06-04 | Revoked | |
| 1402 C ST SE LLC | — | L00006167181 | 2019-02-06 | Revoked | |
| 1402 C ST SE LLC | — | L00006167181 | 2019-02-06 | Revoked | WASHINGTON |
| 1402 OGDEN LLC | — | L00004649488 | 2012-11-27 | Active | WASHINGTON |
| 1402 OGDEN LLC | — | L00004649488 | 2012-11-27 | Active | |
| 1402 Quincy St NW LLC | — | L00005806362 | 2017-10-27 | Active | Washington |
| 1402 Quincy St NW LLC | — | L00005806362 | 2017-10-27 | Active | |
| 1402 REVO NAILS Inc. | — | C00004569177 | 2012-12-10 | Dissolved | |
| 1402 REVO NAILS Inc. | — | C00004569177 | 2012-05-30 | Dissolved | Washington |
| 1402 T Street, SE Tenant Association | — | N00006366697 | 2019-08-13 | Revoked | |
| 1402 T Street, SE Tenant Association | — | N00006366697 | 2019-08-13 | Revoked | Washington |
| 1402-1404 North Capitol Street NW LLC | — | L00004679252 | 2013-02-14 | Active | Valier |
| 1402-1404 North Capitol Street NW LLC | — | L00004679252 | 2013-02-14 | Active | |
| 1402-1404 SWANN LLC | — | L19944 | 2004-08-04 | Dissolved | |
| 1402-1404 SWANN LLC | — | L19944 | 2004-08-04 | Dissolved | |
| 1403 Asheville Rd LLC | — | L00007239833 | 2022-02-22 | Active | |
| 1403 Asheville Rd LLC | — | L00007239833 | 2022-02-18 | Revoked | Gaithersburg |
| 1403 Buchanan Condominiums LCA | — | A00008359396 | 2025-03-28 | Active | |
| 1403 Buchanan Condominiums LCA | — | A00008359396 | 2025-03-28 | Active | Washington |
| 1403 CRITTENDEN STREET LLC | — | L0000054252 | 2011-07-12 | Revoked | |
| 1403 CRITTENDEN STREET LLC | — | L0000054252 | 2011-07-12 | Revoked | Washington |
| 1403 Meridian Place LLC | — | L00006408208 | 2019-10-09 | Active | |
| 1403 Meridian Place LLC | — | L00006408208 | 2019-10-09 | Active | washington |
| 1404 Holbrook Street LLC | — | L00006438935 | 2019-11-20 | Dissolved | |
| 1404 Holbrook Street LLC | — | L00006438935 | 2019-11-20 | Dissolved | Bethesda |
| 1404 Mass LLC | — | L00007685765 | 2023-04-20 | Active | |
| 1404 Mass LLC | — | L00007685765 | 2023-04-19 | Revoked | Washington |
| 1404 Meridian LLC | — | L00006569211 | 2018-02-28 | Revoked | |
| 1404 Meridian LLC | — | L00006569211 | 2020-03-25 | Revoked | HANOVER |
| 1404 RHODE ISLAND AVENUE, NW LLC | — | L16109 | 2003-09-12 | Revoked | |
| 1404 RHODE ISLAND AVENUE, NW LLC | — | L16109 | 2003-09-12 | Revoked | |
| 1404 Tuckerman St NW L.L.C. | — | L00008552224 | 2025-10-22 | Active | |
| 1404 Tuckerman St NW L.L.C. | — | L00008552224 | 2025-10-22 | Revoked | Washington |
| 1405 15TH ST LLC | — | L00008333046 | 2025-03-19 | Active | |
| 1405 15TH ST LLC | — | L00008333046 | 2025-03-19 | Active | Washington |
| 1405 34th Street, LLC | — | L00004773698 | 2013-06-24 | Dissolved | Baltimore |
| 1405 34th Street, LLC | — | L00004773698 | 2021-01-14 | Dissolved | |
| 1405 5TH ST, NW LLC | — | L14009 | 2003-02-12 | Revoked | |
| 1405 5TH ST, NW LLC | — | L14009 | 2003-02-12 | Revoked | |
| 1405 G STREET | — | P04238 | 1963-01-31 | Revoked | LEGACY NO DATA |
| 1405 G STREET | — | P04238 | 1963-01-31 | Revoked | |
| 1405 G STREET INC. | — | 551276 | 1955-01-14 | Withdrawn | |
| 1405 G STREET INC. | — | 551276 | 1955-01-14 | Withdrawn | |
| 1405 H STREET CORPORATION | — | 751831 | 1975-07-23 | Revoked | |
| 1405 H STREET CORPORATION | — | 751831 | 1975-07-23 | Revoked | |
| 1405 H.U.P. Inc. | — | 793501 | 1979-09-20 | Revoked | |
| 1405 H.U.P. Inc. | — | 793501 | 1979-09-20 | Revoked | |
| 1405 HALF ST. S.W. | — | 784088 | 1978-11-29 | Revoked | |
| 1405 HALF ST. S.W. | — | 784088 | 1978-11-29 | Revoked | |
| 1405 NEW JERSEY AVE HOLDINGS LLC | — | L00005197126 | 2015-05-08 | Revoked | |
| 1405 NEW JERSEY AVE HOLDINGS LLC | — | L00005197126 | 2015-05-08 | Revoked | WASHINGTON |
| 1405 Perry LLC | — | L00004798301 | 2013-08-19 | Revoked | |
| 1405 Perry LLC | — | L00004798301 | 2013-08-19 | Revoked | Washington |
| 1405 RHODE ISLAND AVENUE, N.W. INC. | — | 904354 | 1990-12-11 | Revoked | |
| 1405 RHODE ISLAND AVENUE, N.W. INC. | — | 904354 | 1990-12-11 | Revoked | |
| 1405 Somerset Pl NW Tenants Association, Inc. | — | N00005225774 | 2015-07-02 | Revoked | |
| 1405 Somerset Pl NW Tenants Association, Inc. | — | N00005225774 | 2015-07-02 | Revoked | Washington |
| 1406 10TH STREET, N.W. L.L.C. | — | L15305 | 2003-06-18 | Revoked | Greenbelt |
| 1406 10TH STREET, N.W. L.L.C. | — | L15305 | 2003-06-18 | Active | |
| 1406 CORCORAN STREET LIMITED PARTNERSHIP | — | 001499 | 1999-02-16 | Revoked | |
| 1406 CORCORAN STREET LIMITED PARTNERSHIP | — | 001499 | 1999-02-16 | Revoked | LEGACY NO DATA |
| 1406 Holdings LLC | — | L00007681924 | 2023-04-14 | Active | |
| 1406 Holdings LLC | — | L00007681924 | 2023-04-14 | Active | WASHINGTON |