| 408 M STREET LLC | — | L18295 | 2004-03-24 | Revoked | |
| 408 M STREET LLC | — | L18295 | 2004-03-24 | Revoked | |
| 408 NEWCOMB STREET PARTNERSHIP | — | P01870 | 1983-10-14 | Revoked | LEGACY NO DATA |
| 408 NEWCOMB STREET PARTNERSHIP | — | P01870 | 1983-10-14 | Revoked | |
| 408 OKLAHOMA AVE LLC | — | L43593 | 2009-04-29 | Revoked | |
| 408 OKLAHOMA AVE LLC | — | L43593 | 2009-04-29 | Revoked | |
| 408 RICHARDSON PL. PARTNERSHIP | — | P02456 | 1981-12-22 | Revoked | |
| 408 RICHARDSON PL. PARTNERSHIP | — | P02456 | 1981-12-22 | Revoked | LEGACY NO DATA |
| 408 RICHARDSON PLACE LIMITED PARTNERSHIP | — | P02648 | 1981-09-24 | Revoked | |
| 408 RICHARDSON PLACE LIMITED PARTNERSHIP | — | P02648 | 1981-09-24 | Revoked | |
| 408 RICHWOOD, LLC | — | L00005100103 | 2006-06-30 | Revoked | |
| 408 RICHWOOD, LLC | — | L00005100103 | 2015-02-09 | Revoked | BETHESDA |
| 408 Richardson LLC | — | L00005761674 | 2017-08-15 | Dissolved | |
| 408 Richardson LLC | — | L00005761674 | 2017-08-15 | Dissolved | washington |
| 408 SEWARD SQUARE, S.E. TENANTS ASSOCIATION INC. | — | 811263 | 1981-03-23 | Dissolved | |
| 408 SEWARD SQUARE, S.E. TENANTS ASSOCIATION INC. | — | 811263 | 1981-03-23 | Dissolved | |
| 409 EYE STREET, N.E. INC. | — | 800900 | 1980-02-28 | Revoked | |
| 409 EYE STREET, N.E. INC. | — | 800900 | 1980-02-28 | Revoked | |
| 409 M STREET ASSOCIATES L.L.C. | — | L04899 | 1999-12-08 | Revoked | |
| 409 M STREET ASSOCIATES L.L.C. | — | L04899 | 1999-12-08 | Revoked | |
| 409 Morse Street LLC | — | L00008193411 | 2024-10-29 | Active | |
| 409 Morse Street LLC | — | L00008193411 | 2024-10-29 | Active | Washington |
| 409 NEWCOMB ST. SE LLC | — | L37248 | 2008-02-06 | Revoked | WASHINGTON |
| 409 NEWCOMB ST. SE LLC | — | L37248 | 2008-02-06 | Revoked | |
| 409 NEWCOMB STREET LLC | — | L30729 | 2006-11-07 | Revoked | |
| 409 NEWCOMB STREET LLC | — | L30729 | 2006-11-07 | Revoked | |
| 409 Richardson LLC | — | L00005321056 | 2016-01-12 | Active | |
| 409 Richardson LLC | — | L00005321056 | 2016-01-12 | Active | Washington |
| 409 TWELFTH STREET ASSOCIATES LIMITED PARTNERSHIP | — | 7801 | 1982-08-18 | Revoked | LEGACY NO DATA |
| 409 TWELFTH STREET ASSOCIATES LIMITED PARTNERSHIP | — | 7801 | 1982-08-18 | Revoked | |
| 409 TWELTH STREET ASSOCIATES | — | P02394 | 1982-08-18 | Revoked | |
| 409 TWELTH STREET ASSOCIATES | — | P02394 | 1982-08-18 | Revoked | LEGACY NO DATA |
| 409 V ST NE LLC | — | L00008399461 | 2025-04-16 | Active | |
| 409 V ST NE LLC | — | L00008399461 | 2025-04-16 | Revoked | Washington |
| 409-411 17TH ST. SE L.L.C. | — | L34996 | 2007-08-24 | Revoked | |
| 409-411 17TH ST. SE L.L.C. | — | L34996 | 2007-08-24 | Revoked | |
| 409Adamo LLC | — | L00005318077 | 2015-12-16 | Dissolved | |
| 409Adamo LLC | — | L00005318077 | 2015-12-16 | Dissolved | Washington |
| 40Florida L.L.C. | — | L00005436099 | 2016-03-15 | Revoked | |
| 40Florida L.L.C. | — | L00005436099 | 2016-03-15 | Revoked | Washington |
| 40RTY5IVE&co LLC | — | L00007503368 | 2022-11-10 | Revoked | Washington |
| 40RTY5IVE&co LLC | — | L00007503368 | 2022-11-10 | Revoked | |
| 40TH NATIONAL CONVENTION COMMITTEE INC., FLEET RESERVE ASSOCIATION | — | 670631 | 1967-04-18 | Revoked | |
| 40TH NATIONAL CONVENTION COMMITTEE INC., FLEET RESERVE ASSOCIATION | — | 670631 | 1967-04-18 | Revoked | |
| 40th & Calvert LLC | — | L00005466078 | 2016-06-23 | Active | |
| 40th & Calvert LLC | — | L00005466078 | 2016-06-23 | Active | McLean |
| 40th St. Heights LLC | — | L00007191708 | 2022-01-03 | Active | |
| 40th St. Heights LLC | — | L00007191708 | 2022-01-03 | Active | Washington |
| 41 BRYANT STREET NW L.L.C. | — | L22226 | 2005-02-15 | Revoked | |
| 41 BRYANT STREET NW L.L.C. | — | L22226 | 2005-02-15 | Revoked | |
| 41 ENERGY Inc. | — | C00004687401 | 2013-01-15 | Revoked | LAS VEGAS |
| 41 ENERGY Inc. | — | C00004687401 | 2012-09-13 | Revoked | |
| 41 L GORDON LLC | — | L00006367259 | 2019-08-21 | Active | |
| 41 L GORDON LLC | — | L00006367259 | 2019-08-13 | Revoked | Chevy Chase |
| 41 L STREET HOLDINGS LLC | — | L00005272174 | 2015-09-28 | Active | |
| 41 L STREET HOLDINGS LLC | — | L00005272174 | 2015-09-28 | Active | Washington |
| 41 North Contractors, LLC | — | C00006847947 | 2009-03-30 | Active | |
| 41 North Contractors, LLC | — | C00006847947 | 2021-04-30 | Revoked | Lisle |
| 41 Q ST NE WM LLC | — | L00006832342 | 2021-01-15 | Revoked | CHEVY CHASE |
| 41 Q ST NE WM LLC | — | L00006832342 | 2021-01-21 | Revoked | |
| 41 Rhode Island Avenue LLC | — | L00005771792 | 2017-08-29 | Dissolved | Washington |
| 41 Rhode Island Avenue LLC | — | L00005771792 | 2017-08-29 | Dissolved | |
| 41 S St L.L.C. | — | L00008257417 | 2025-01-22 | Active | Washington |
| 41 S St L.L.C. | — | L00008257417 | 2025-01-28 | Active | |
| 410 15TH STREET LLC | — | L33586 | 2007-05-16 | Revoked | |
| 410 15TH STREET LLC | — | L33586 | 2007-05-16 | Revoked | Washington |
| 410 CEDAR STREET, N. W. TENANTS' ASSN. | — | 813506 | 1981-08-07 | Revoked | |
| 410 CEDAR STREET, N. W. TENANTS' ASSN. | — | 813506 | 1981-08-07 | Revoked | |
| 410 D Street Condominium Association | — | N00008118853 | 2024-07-23 | Revoked | |
| 410 D Street Condominium Association | — | N00008118853 | 2024-07-23 | Active | Washington |
| 410 EIGHTH STREET, L.L.C. | — | L03100 | 1998-11-12 | Dissolved | |
| 410 EIGHTH STREET, L.L.C. | — | L03100 | 1998-11-12 | Dissolved | |
| 410 FRANKLIN STREET NW. INCORPORATED | — | 902462 | 1990-07-10 | Revoked | |
| 410 FRANKLIN STREET NW. INCORPORATED | — | 902462 | 1990-07-10 | Revoked | |
| 410 K ST. Flats Condiminium | — | N00006361862 | 2019-08-06 | Revoked | Washington |
| 410 K ST. Flats Condiminium | — | N00006361862 | 2019-08-06 | Revoked | |
| 410 K St NE LLC | — | L00005588878 | 2017-02-16 | Active | |
| 410 K St NE LLC | — | L00005588878 | 2017-02-16 | Active | Washington |
| 410 K Street LLC | — | L00004919648 | 2014-03-28 | Revoked | |
| 410 K Street LLC | — | L00004919648 | 2014-03-28 | Revoked | Great Falls |
| 410 Rhode Island, LLC | — | L00005814016 | 2025-04-01 | Merged | |
| 410 Rhode Island, LLC | — | L00005814016 | 2025-04-01 | Merged | Washington |
| 410 Ridge Street L.L.C. | — | L00005175901 | 2015-04-14 | Revoked | |
| 410 Ridge Street L.L.C. | — | L00005175901 | 2015-04-14 | Revoked | Centreville |
| 410 U Street LLC | — | C00007150187 | 2021-10-22 | Active | |
| 410 U Street LLC | — | C00007150187 | 2021-10-29 | Withdrawn | Stone Ridge |
| 410-420 ELEVENTH STREET N.E. ASSOCIATES | — | P05274 | 1975-12-18 | Withdrawn | LEGACY NO DATA |
| 410-420 ELEVENTH STREET N.E. ASSOCIATES | — | P05274 | 1975-12-18 | Withdrawn | |
| 4100 14TH STREET NW, LLC | — | L00007507733 | 2022-11-16 | Active | |
| 4100 14TH STREET NW, LLC | — | L00007507733 | 2022-11-06 | Active | Las Vegas |
| 4100 5th ST NW L.L.C. | — | L00004820468 | 2013-10-08 | Revoked | |
| 4100 5th ST NW L.L.C. | — | L00004820468 | 2013-10-08 | Revoked | Potomac |
| 4100 BLADENSBURG LLC | — | L00005486420 | 2016-08-01 | Revoked | |
| 4100 BLADENSBURG LLC | — | L00005486420 | 2022-02-16 | Revoked | WASHINGTON |
| 4100 Cathedral 704 LLC | — | L00008478475 | 2025-07-25 | Active | |
| 4100 Cathedral 704 LLC | — | L00008478475 | 2025-07-21 | Revoked | New York |
| 4100 Cathedral Ave NW #814 LLC | — | L00008018758 | 2024-04-01 | Active | |
| 4100 Cathedral Ave NW #814 LLC | — | L00008018758 | 2024-04-01 | Active | Washington |
| 4100 Community Partners LLC | — | L00008199312 | 2024-11-07 | Revoked | |
| 4100 Community Partners LLC | — | L00008199312 | 2024-11-07 | Active | Washington |
| 4100 GEORGIA AVENUE LIMITED PARTNERSHIP | — | 220436 | 2005-06-02 | Active | Washington |
| 4100 GEORGIA AVENUE LIMITED PARTNERSHIP | — | 220436 | 2005-06-02 | Active | |
| 4100 GEORGIA RETAIL LLC | — | L31587 | 2007-01-10 | Revoked | |
| 4100 GEORGIA RETAIL LLC | — | L31587 | 2007-01-10 | Revoked | |
| 4100 Georgia Ave. NW L.L.C. | — | L00005912027 | 2019-01-30 | Revoked | |
| 4100 Georgia Ave. NW L.L.C. | — | L00005912027 | 2018-03-14 | Revoked | Washington |
| 4100 KANSAS, L.L.C. | — | L18636 | 2004-04-20 | Dissolved | |
| 4100 KANSAS, L.L.C. | — | L18636 | 2004-04-20 | Dissolved | |
| 4100 Kansas Avenue LLC | — | L00007858661 | 2023-12-13 | Active | Washington |
| 4100 Kansas Avenue LLC | — | L00007858661 | 2024-01-24 | Active | |
| 4100 MASSACHUSETTS AVE INC. | — | 804226 | 1980-10-10 | Dissolved | |
| 4100 MASSACHUSETTS AVE INC. | — | 804226 | 1980-10-10 | Dissolved | |
| 4100 MASSACHUSETTS AVENUE ASSOCIATES L.P. | — | P02876 | 1980-10-20 | Active | |
| 4100 MASSACHUSETTS AVENUE ASSOCIATES L.P. | — | P02876 | 1980-10-20 | Active | Arlington |
| 4100 Massachusetts Avenue Solar, LLC | — | L00006003225 | 2018-05-24 | Active | |
| 4100 Massachusetts Avenue Solar, LLC | — | L00006003225 | 2018-06-01 | Active | Arlington |
| 4100 RIVER ROAD CHURCH LLC | — | L00004657829 | 2012-12-18 | Dissolved | Washington |
| 4100 RIVER ROAD CHURCH LLC | — | L00004657829 | 2012-12-18 | Dissolved | |
| 4100 SOUTH CAPITOL STREET LLC | — | L31033 | 2006-11-30 | Dissolved | |
| 4100 SOUTH CAPITOL STREET LLC | — | L31033 | 2006-11-30 | Dissolved | |
| 4100 So Capitol LLC | — | L00006799110 | 2020-11-23 | Active | |
| 4100 So Capitol LLC | — | L00006799110 | 2020-11-23 | Active | Washington |
| 4100 W STREET NW UNIT 511 LLC | — | L00008496519 | 2025-08-19 | Active | Washington |
| 4100 W STREET NW UNIT 511 LLC | — | L00008496519 | 2025-08-19 | Active | |
| 4100 WISCONSIN AVE. INC. | — | 934338 | 1993-12-17 | Revoked | |
| 4100 WISCONSIN AVE. INC. | — | 934338 | 1993-12-17 | Revoked | |
| 4100W411, LLC | — | L00007080678 | 2021-08-09 | Active | |
| 4100W411, LLC | — | L00007080678 | 2021-08-09 | Revoked | Las Vegas |
| 4101 13TH STREET, N.W. INCORPORATED | — | 833345 | 1983-07-25 | Revoked | |
| 4101 13TH STREET, N.W. INCORPORATED | — | 833345 | 1983-07-25 | Revoked | |
| 4101 ALABAMA AVENUE LLC | — | L25737 | 2005-10-24 | Revoked | |
| 4101 ALABAMA AVENUE LLC | — | L25737 | 2005-10-24 | Revoked | Washington |
| 4101 Albemarle-Cityline LLC | — | L00008204913 | 2024-11-11 | Active | Washington |
| 4101 Albemarle-Cityline LLC | — | L00008204913 | 2024-11-15 | Active | |
| 4101 Arkansas Ave NW L.L.C. | — | L00005813864 | 2017-11-09 | Active | |
| 4101 Arkansas Ave NW L.L.C. | — | L00005813864 | 2017-11-09 | Active | Washington |
| 4101 DAVIS PLACE LLC | — | L13772 | 2003-01-22 | Revoked | |
| 4101 DAVIS PLACE LLC | — | L13772 | 2003-01-22 | Revoked | |
| 4101 KANSAS, L.L.C. | — | L18882 | 2004-05-10 | Revoked | |
| 4101 KANSAS, L.L.C. | — | L18882 | 2004-05-10 | Revoked | |
| 4101 NEW HAMPSHIRE L.L.C. | — | L0000056353 | 2011-11-02 | Dissolved | |
| 4101 NEW HAMPSHIRE L.L.C. | — | L0000056353 | 2011-11-02 | Dissolved | WASHINGTON |
| 4101 RIVER ROAD LLC | — | L37264 | 2008-02-05 | Active | |
| 4101 RIVER ROAD LLC | — | L37264 | 2008-02-05 | Active | WASHINGTON |
| 4101 THIRTEENTH STREET N.W. LIMITED PARTNERSHIP | — | P02103 | 1983-09-07 | Revoked | |
| 4101 THIRTEENTH STREET N.W. LIMITED PARTNERSHIP | — | P02103 | 1983-09-07 | Revoked | LEGACY NO DATA |
| 4101-4103 Davis L.L.C. | — | L00007143131 | 2021-10-19 | Active | |
| 4101-4103 Davis L.L.C. | — | L00007143131 | 2021-10-19 | Active | Washington |
| 4101532 ALBEMARLE, LLC | — | L00005497428 | 2016-08-23 | Dissolved | |
| 4101532 ALBEMARLE, LLC | — | L00005497428 | 2016-08-23 | Dissolved | Washington |
| 4102 14TH STREET NW, LLC | — | L00007507734 | 2022-11-06 | Active | Las Vegas |
| 4102 14TH STREET NW, LLC | — | L00007507734 | 2022-11-16 | Active | |
| 4102 18TH STREET LLC | — | L00007931589 | 2024-02-24 | Active | |
| 4102 18TH STREET LLC | — | L00007931589 | 2024-02-24 | Active | SWAN POINT |
| 4102 3rd KNS LLC | — | L00007433767 | 2022-08-09 | Revoked | |
| 4102 3rd KNS LLC | — | L00007433767 | 2022-08-09 | Revoked | Rockville |
| 4102 4th St LLC | — | L00005174932 | 2015-04-13 | Revoked | |
| 4102 4th St LLC | — | L00005174932 | 2015-04-13 | Revoked | Largo |
| 4103 South Vincennes LLC | — | L00008140058 | 2024-08-22 | Active | Washington |
| 4103 South Vincennes LLC | — | L00008140058 | 2024-08-22 | Active | |
| 4104 14th Street LLC | — | L00005647566 | 2017-03-29 | Revoked | |
| 4104 14th Street LLC | — | L00005647566 | 2017-03-28 | Revoked | Washington |
| 4105 LIMITED PARTNERSHIP | — | P07559 | 1977-01-12 | Revoked | |
| 4105 LIMITED PARTNERSHIP | — | P07559 | 1977-01-12 | Revoked | LEGACY NO DATA |
| 4105 WISCONSIN L.L.C. | — | L05603 | 2000-03-27 | Revoked | |
| 4105 WISCONSIN L.L.C. | — | L05603 | 2000-03-27 | Revoked | Chevy Chase |
| 4106 GAULT PLACE LLC | — | L51970 | 2010-09-07 | Active | |
| 4106 GAULT PLACE LLC | — | L51970 | 2010-09-07 | Active | Washington |
| 4106 GAULT PLACE TENANTS ASSOCIATION INC. | — | 273674 | 2007-12-17 | Revoked | |
| 4106 GAULT PLACE TENANTS ASSOCIATION INC. | — | 273674 | 2007-12-17 | Revoked | |
| 4107 Connecticut Ave NW Tenant Association | — | N00008358657 | 2025-03-28 | Active | Washington |
| 4107 Connecticut Ave NW Tenant Association | — | N00008358657 | 2025-03-28 | Active | |
| 4107 Illinois Avenue NW LLC | — | L00005546874 | 2016-12-05 | Revoked | |
| 4107 Illinois Avenue NW LLC | — | L00005546874 | 2016-12-05 | Revoked | Washington |
| 4109 5th Street NW L.L.P. | — | P00007157036 | 2021-11-07 | Active | |
| 4109 5th Street NW L.L.P. | — | P00007157036 | 2021-11-07 | Revoked | Washington |
| 410EnergySolutions, LLC | — | C00008019104 | 2020-08-12 | Revoked | |
| 410EnergySolutions, LLC | — | C00008019104 | 2024-04-01 | Revoked | Linthicum Heights |
| 411 2ND ST SE EC LLC | — | L00007992614 | 2024-03-25 | Revoked | |
| 411 2ND ST SE EC LLC | — | L00007992614 | 2024-03-25 | Revoked | WASHINGTON |
| 411 2ND ST SE LLC | — | L00007940526 | 2024-02-29 | Active | |
| 411 2ND ST SE LLC | — | L00007940526 | 2024-02-29 | Revoked | WASHINGTON |
| 411 ATLANTIC, LLC | — | L00004564502 | 2012-05-17 | Active | |
| 411 ATLANTIC, LLC | — | L00004564502 | 2012-05-17 | Active | WASHINGTON |
| 411 Buchanan Street L.L.C. | — | L00004558053 | 2012-05-02 | Revoked | |
| 411 Buchanan Street L.L.C. | — | L00004558053 | 2012-05-02 | Revoked | Reston |
| 411 CORP. | — | 751650 | 1975-07-03 | Revoked | |
| 411 CORP. | — | 751650 | 1975-07-03 | Revoked | |
| 411 DANCE ASSOCIATES LLC | — | L39594 | 2008-07-15 | Revoked | |
| 411 DANCE ASSOCIATES LLC | — | L39594 | 2008-07-15 | Revoked | |
| 411 EAST CAPITOL LLC | — | L00007791117 | 2023-09-06 | Active | |
| 411 EAST CAPITOL LLC | — | L00007791117 | 2023-09-01 | Revoked | GREENBELT |
| 411 FLORIDA AVENUE N.W. INCORPORATED | — | 893162 | 1989-08-22 | Revoked | |
| 411 FLORIDA AVENUE N.W. INCORPORATED | — | 893162 | 1989-08-22 | Revoked | |
| 411 Hillary, L.L.C. | — | L00005690032 | 2017-04-28 | Revoked | Washington |
| 411 Hillary, L.L.C. | — | L00005690032 | 2017-04-28 | Revoked | |
| 411 M Street L.L.C. | — | L00004686737 | 2013-03-04 | Revoked | |
| 411 M Street L.L.C. | — | L00004686737 | 2013-03-04 | Revoked | Washington |
| 411 Marietta Place L.L.C. | — | L00006290663 | 2019-05-02 | Revoked | |
| 411 Marietta Place L.L.C. | — | L00006290663 | 2019-05-02 | Revoked | Washington |