| 613 FOURTH STREET ASSOCIATES L.L.C. | — | L12281 | 2002-08-15 | Revoked | |
| 613 FOURTH STREET ASSOCIATES L.L.C. | — | L12281 | 2002-08-15 | Revoked | |
| 613 Forrester LLC | — | L00005467626 | 2016-06-27 | Revoked | |
| 613 Forrester LLC | — | L00005467626 | 2016-06-27 | Revoked | Washington |
| 613 Foundation (The) | — | N00006856619 | 2021-02-16 | Active | |
| 613 Foundation (The) | — | N00006856619 | 2021-02-07 | Active | Washington |
| 613 HAMLIN ST., N.E. TENANTS ASSOCIATION INC. | — | 813620 | 1981-08-14 | Dissolved | |
| 613 HAMLIN ST., N.E. TENANTS ASSOCIATION INC. | — | 813620 | 1981-08-14 | Dissolved | |
| 613 Hamlin St NE LLC | — | L00007015109 | 2021-05-10 | Revoked | Washington |
| 613 Hamlin St NE LLC | — | L00007015109 | 2021-05-27 | Revoked | |
| 613 Otis Pl Holdings LLC | — | L00006159272 | 2019-01-25 | Revoked | Washington |
| 613 Otis Pl Holdings LLC | — | L00006159272 | 2019-01-28 | Revoked | |
| 613 Otis Place Holdings LLC | — | L00006156468 | 2019-01-23 | Revoked | Washington |
| 613 Otis Place Holdings LLC | — | L00006156468 | 2019-01-23 | Revoked | |
| 613 Roxboro L.L.C. | — | L00008534788 | 2025-09-29 | Active | |
| 613 Roxboro L.L.C. | — | L00008534788 | 2025-09-27 | Active | Washington |
| 613 SOMERSET NW LLC | — | L50574 | 2010-06-04 | Revoked | |
| 613 SOMERSET NW LLC | — | L50574 | 2010-06-04 | Revoked | |
| 613-615 Malcolm X Tenant Association | — | N00007300402 | 2022-03-24 | Revoked | |
| 613-615 Malcolm X Tenant Association | — | N00007300402 | 2022-03-22 | Revoked | Washington |
| 6132 Banks Pl LLC | — | L00005740597 | 2017-07-12 | Dissolved | |
| 6132 Banks Pl LLC | — | L00005740597 | 2017-07-12 | Dissolved | Washington |
| 6135 KANSAS AVENUE LIMITED PARTNERSHIP | — | P00268 | 1987-09-21 | Canceled | |
| 6135 KANSAS AVENUE LIMITED PARTNERSHIP | — | P00268 | 1987-09-21 | Canceled | LEGACY NO DATA |
| 6135 KANSAS AVENUE, NW, LLC | — | L00004970281 | 2014-06-03 | Dissolved | |
| 6135 KANSAS AVENUE, NW, LLC | — | L00004970281 | 2014-06-03 | Dissolved | Bethesda |
| 6136 Banks Place L.L.C. | — | L00007474723 | 2022-09-29 | Active | |
| 6136 Banks Place L.L.C. | — | L00007474723 | 2022-09-29 | Revoked | WASHINGTON |
| 613M LLC | — | US-DC-LL012601653 | 2026-01-28 | Active | Washington |
| 614 Carolyn Road LLC | — | L00004812724 | 2013-09-19 | Revoked | Owings Mills |
| 614 Carolyn Road LLC LLC | — | L00004812724 | 2013-09-12 | Revoked | |
| 614 E ST L.L.C. | — | L00005073509 | 2014-12-10 | Revoked | |
| 614 E ST L.L.C. | — | L00005073509 | 2014-12-10 | Revoked | Washington |
| 614 ELLIOTT STREET LIMITED PARTNERSHIP | — | P04723 | 1980-11-25 | Expired | |
| 614 ELLIOTT STREET N.E., COOPERATIVE ASSOC. | — | 100133 | 1951-05-24 | Revoked | |
| 614 ELLIOTT STREET N.E., COOPERATIVE ASSOC. | — | 100133 | 1951-05-24 | Revoked | |
| 614 ELLIOTT STREET, N.E. COOPERATIVE INC. | — | 803111 | 1980-07-25 | Revoked | |
| 614 ELLIOTT STREET, N.E. COOPERATIVE INC. | — | 803111 | 1980-07-25 | Revoked | |
| 614 EYE STREET L.L.C. | — | L48321 | 2010-02-25 | Revoked | |
| 614 EYE STREET L.L.C. | — | L48321 | 2010-02-25 | Revoked | WASHINGTON |
| 614 East Capitol L.L.C. | — | L00006467071 | 2019-12-27 | Active | Washington |
| 614 East Capitol L.L.C. | — | L00006467071 | 2019-12-30 | Active | |
| 614 East Capitol Street LLC | — | L00006408270 | 2019-10-09 | Revoked | |
| 614 East Capitol Street LLC | — | L00006408270 | 2019-10-09 | Revoked | Washington |
| 614 HIGHLAND, L.L.C. | — | 301914 | — | | |
| 614 Highland L.L.C. | — | L0000051209 | 2011-02-10 | Revoked | Washington |
| 614 Highland L.L.C. | — | L0000051209 | 2011-02-10 | Revoked | |
| 614 I ST LLC | — | L00005194373 | 2015-05-05 | Revoked | |
| 614 I ST LLC | — | L00005194373 | 2015-05-05 | Revoked | washington |
| 614 KENNEDY ST NW LLC | — | L00006725656 | 2020-08-19 | Active | |
| 614 KENNEDY ST NW LLC | — | L00006725656 | 2020-08-19 | Active | Washington |
| 614 LONGFELLOW L.L.C. | — | L15316 | 2003-06-23 | Revoked | |
| 614 LONGFELLOW L.L.C. | — | L15316 | 2003-06-23 | Revoked | |
| 614 LONGFELLOW PARTNERS LLC | — | L00004787333 | 2013-07-26 | Dissolved | Phialdelphia |
| 614 LONGFELLOW PARTNERS LLC | — | L00004787333 | 2013-07-26 | Dissolved | |
| 614 LONGFELLOW ST NW TENANTS' Association | — | N0000001614 | 2011-10-20 | Revoked | |
| 614 LONGFELLOW ST NW TENANTS' Association | — | N0000001614 | 2011-11-02 | Revoked | Washington |
| 614 MORTON PLACE LLC | — | L25437 | 2005-09-29 | Revoked | |
| 614 MORTON PLACE LLC | — | L25437 | 2005-09-29 | Revoked | |
| 614 Otis LLC | — | L00006082554 | 2018-09-26 | Dissolved | |
| 614 Otis LLC | — | L00006082554 | 2018-09-26 | Dissolved | Washington |
| 614 Roxboro Place LLC | — | L00004625312 | 2012-09-18 | Revoked | |
| 614 Roxboro Place LLC | — | L00004625312 | 2012-09-18 | Revoked | ARLINGTON |
| 6141 SLIGO MILL LLC | — | L22000 | 2005-01-26 | Canceled | |
| 6141 SLIGO MILL LLC | — | L22000 | 2005-01-26 | Canceled | |
| 6143 GEORGIA LLC | — | L08803 | 2001-06-25 | Revoked | |
| 6143 GEORGIA LLC | — | L08803 | 2001-06-25 | Revoked | |
| 6145 31st St NW LLC | — | L00008273197 | 2025-02-08 | Dissolved | Washington |
| 6145 31st St NW LLC | — | L00008273197 | 2025-02-11 | Active | |
| 615 15TH ST NE LLC | — | L00005727932 | 2017-06-24 | Dissolved | WASHINGTON |
| 615 15TH ST NE LLC | — | L00005727932 | 2017-06-24 | Active | |
| 615 57TH STREET LLC | — | L00004756757 | 2013-05-24 | Revoked | |
| 615 57TH STREET LLC | — | L00004756757 | 2013-05-24 | Revoked | Mitchellville |
| 615 6th St NE L.L.C. | — | L00005060495 | 2014-11-07 | Revoked | |
| 615 6th St NE L.L.C. | — | L00005060495 | 2014-11-07 | Revoked | McLean |
| 615 COLUMBIA RD PARTNERS LLC | — | L0000053221 | 2011-05-20 | Revoked | WASHINGTON |
| 615 COLUMBIA RD PARTNERS LLC | — | L0000053221 | 2011-05-20 | Revoked | |
| 615 DIVISION AVE LLC | — | L00006035521 | 2022-03-23 | Active | WASHINGTON |
| 615 DIVISION AVE LLC | — | L00006035521 | 2018-07-14 | Active | |
| 615 Florida Ave, NW LLC | — | L00006805114 | 2020-12-03 | Active | |
| 615 Florida Ave, NW LLC | — | L00006805114 | 2020-12-03 | Active | Potomac |
| 615 GRESHAM PL NW LLC | — | L00006029510 | 2018-07-06 | Active | |
| 615 GRESHAM PL NW LLC | — | L00006029510 | 2018-07-06 | Active | Dulles |
| 615 H St. DC Financing LP | — | C00008207867 | 2024-11-19 | Active | New York |
| 615 H St. DC Financing LP | — | C00008207867 | 2024-11-12 | Active | |
| 615 H St. DC Realty LP | — | C00008205171 | 2024-11-15 | Active | New York |
| 615 H St. DC Realty LP | — | C00008205171 | 2024-11-12 | Active | |
| 615 Irving St Condominium | — | N00008239803 | 2025-01-09 | Active | |
| 615 Irving St Condominium | — | N00008239803 | 2025-01-09 | Active | Washington |
| 615 Irving St NW LLC | — | L00006787460 | 2020-11-03 | Dissolved | |
| 615 Irving St NW LLC | — | L00006787460 | 2020-11-03 | Dissolved | Washington |
| 615 Kennedy St NW LLC | — | C00006905563 | 2017-10-13 | Revoked | |
| 615 Kennedy St NW LLC | — | C00006905563 | 2021-03-12 | Revoked | Washington |
| 615 Morton Place NE, LLC | — | L00007858840 | 2023-12-13 | Active | |
| 615 Morton Place NE, LLC | — | L00007858840 | 2023-12-07 | Active | McLean |
| 615 PENN LLC | — | L04850 | 1999-12-01 | Active | |
| 615 PENN LLC | — | L04850 | 1999-12-01 | Active | POTOMAC |
| 615 Upshur Street NW LLC | — | L00005205762 | 2015-05-27 | Active | Washington |
| 615 Upshur Street NW LLC | — | L00005205762 | 2015-05-27 | Active | |
| 615-617 I STREET INC. | — | 972693 | 1997-08-15 | Revoked | |
| 615-617 I STREET INC. | — | 972693 | 1997-08-15 | Revoked | |
| 6154 NW Gatun Drive LLC | — | US-DC-LL012600536 | 2026-01-09 | Active | Washington |
| 616 11TH STREET, N.E. INC. | — | 800922 | 1980-02-28 | Revoked | |
| 616 11TH STREET, N.E. INC. | — | 800922 | 1980-02-28 | Revoked | |
| 616 14th KNS LLC | — | L00005980304 | 2018-05-01 | Revoked | |
| 616 14th KNS LLC | — | L00005980304 | 2018-05-01 | Revoked | Rockville |
| 616 E ST NW APT. 306 LLC | — | L00006549113 | 2020-03-17 | Dissolved | |
| 616 E ST NW APT. 306 LLC | — | L00006549113 | 2020-03-17 | Dissolved | MCLEAN |
| 616 East Capitol Street L.L.C. | — | L00006466260 | 2019-12-27 | Active | |
| 616 East Capitol Street L.L.C. | — | L00006466260 | 2019-12-27 | Active | Washington |
| 616 INGRAHAM LLC | — | L00004608521 | 2012-08-14 | Revoked | Fredericksburg |
| 616 INGRAHAM LLC | — | L00004608521 | 2012-08-14 | Revoked | |
| 616 KEEFER PLACE, N.W. INC. | — | 800923 | 1980-02-28 | Revoked | |
| 616 KEEFER PLACE, N.W. INC. | — | 800923 | 1980-02-28 | Revoked | |
| 616 KENNEDY STREET ASSOCIATES LLC | — | L50319 | 2010-05-20 | Revoked | WASHINGTON |
| 616 KENNEDY STREET ASSOCIATES LLC | — | L50319 | 2010-05-20 | Revoked | |
| 616 Kennedy St NW LLC | — | L00006078838 | 2018-09-20 | Active | |
| 616 Kennedy St NW LLC | — | L00006078838 | 2018-09-20 | Active | Washington |
| 616 Kenyon St LLC | — | C00007485503 | 2022-09-01 | Revoked | Pittsburgh |
| 616 Kenyon St LLC | — | C00007485503 | 2022-07-22 | Revoked | |
| 616 Kenyon Street Condominium | — | US-DC-NP022600457 | 2026-02-06 | Active | Washington |
| 616 Lexington Pl LLC | — | L00007366319 | 2022-05-15 | Dissolved | Washington |
| 616 Lexington Pl LLC | — | L00007366319 | 2022-05-15 | Dissolved | |
| 616 PICKFORD PLACE, N.E. ASSOCIATES LIMITED PARTNERSHIP. | — | P01997 | 1980-04-23 | Expired | |
| 616 Quebec Place NW LLC | — | L00006753165 | 2020-09-21 | Dissolved | |
| 616 Quebec Place NW LLC | — | L00006753165 | 2020-09-21 | Dissolved | Herndon |
| 616 R ST LLC | — | L00005119431 | 2015-03-10 | Dissolved | |
| 616 R ST LLC | — | L00005119431 | 2015-03-10 | Dissolved | Washington |
| 616 ROXBORO LLC | — | L18216 | 2004-03-18 | Revoked | |
| 616 ROXBORO LLC | — | L18216 | 2004-03-18 | Revoked | |
| 616C LLC | — | L50271 | 2010-05-17 | Active | |
| 616C LLC | — | L50271 | 2010-05-17 | Active | Alexandria |
| 616C2 LLC | — | L50270 | 2010-05-17 | Active | |
| 616C2 LLC | — | L50270 | 2010-05-17 | Active | Alexandria |
| 617 Atlantic Street SE LLC | — | L00007834940 | 2023-11-06 | Revoked | |
| 617 Atlantic Street SE LLC | — | L00007834940 | 2023-11-05 | Revoked | Essex |
| 617 Education, Inc. | — | C00007377965 | 2019-02-04 | Active | Reston |
| 617 Education, Inc. | — | C00007377965 | 2019-02-04 | Active | |
| 617 FLORIDA AVE. LLC | — | L22644 | 2005-03-17 | Revoked | |
| 617 FLORIDA AVE. LLC | — | L22644 | 2005-03-17 | Revoked | |
| 617 GRESHAM PL NW LLC | — | L00006029516 | 2018-07-06 | Active | |
| 617 GRESHAM PL NW LLC | — | L00006029516 | 2018-07-06 | Active | Spearfish |
| 617 HAMLIN ST., N.E. TENANTS ASSOCIATION INC. | — | 813619 | 1981-08-14 | Revoked | |
| 617 HAMLIN ST., N.E. TENANTS ASSOCIATION INC. | — | 813619 | 1981-08-14 | Revoked | |
| 617 Harvard Street Condominium Unit Owners Association | — | A00006660901 | 2020-06-24 | Active | |
| 617 Harvard Street Condominium Unit Owners Association | — | A00006660901 | 2020-06-24 | Active | Washington |
| 617 JEFFERSON, NW LLC | — | L19884 | 2004-07-28 | Revoked | |
| 617 JEFFERSON, NW LLC | — | L19884 | 2004-07-28 | Revoked | Washington |
| 617 KEEFER PL. LLC | — | L00006385248 | 2019-09-09 | Revoked | WASHINGTON |
| 617 KEEFER PL. LLC | — | L00006385248 | 2019-09-09 | Revoked | |
| 617 Lexington LLC | — | L00006786663 | 2020-11-02 | Dissolved | |
| 617 Lexington LLC | — | L00006786663 | 2020-11-02 | Dissolved | Washington |
| 618 12ST, LLC | — | C00007003543 | 2021-02-05 | Active | |
| 618 12ST, LLC | — | C00007003543 | 2021-05-11 | Active | Great Falls |
| 618 12TH STREET NE LLC | — | L0000052996 | 2011-05-09 | Revoked | |
| 618 12TH STREET NE LLC | — | L0000052996 | 2011-05-09 | Revoked | Washington |
| 618 12TH STREET TENANTS ASSOCIATION, INC. (THE) | — | 261128 | 2006-04-14 | Revoked | |
| 618 12TH STREET TENANTS ASSOCIATION, INC. (THE) | — | 261128 | 2006-04-14 | Revoked | |
| 618 F. STREET, N.E. PARTNERSHIP (GEN) | — | P02459 | 1982-01-22 | Expired | |
| 618 Galveston L.L.C. | — | L00008576631 | 2025-11-25 | Active | |
| 618 Galveston L.L.C. | — | L00008576631 | 2025-11-25 | Active | Washington |
| 618 H Partnership LLC | — | L00005007885 | 2014-07-30 | Active | |
| 618 H Partnership LLC | — | L00005007885 | 2014-07-30 | Active | Washington |
| 618 KENNEDY ST NW LLC | — | L00005691133 | 2017-05-01 | Active | |
| 618 KENNEDY ST NW LLC | — | L00005691133 | 2017-05-01 | Active | WASHINGTON |
| 618 L STREET, LLC | — | L00004179395 | 2012-02-03 | Revoked | |
| 618 L STREET, LLC | — | L00004179395 | 2012-02-03 | Revoked | Washington |
| 618 Productions LLC | — | L00008234633 | 2025-01-03 | Active | |
| 618 Productions LLC | — | L00008234633 | 2025-01-03 | Active | Washington |
| 618 Quebec Place NW LLC | — | L00007103010 | 2021-09-06 | Active | |
| 618 Quebec Place NW LLC | — | L00007103010 | 2021-09-06 | Active | Washington |
| 618 Randolph St NW LLC | — | L00006451745 | 2019-12-09 | Dissolved | Herndon |
| 618 Randolph St NW LLC | — | L00006451745 | 2019-12-09 | Dissolved | |
| 618-620 H STREET, N.W. ASSOCIATES LIMITED PARTNERSHIP | — | 030489 | 1989-09-27 | Revoked | |
| 618-620 H STREET, N.W. ASSOCIATES LIMITED PARTNERSHIP | — | 030489 | 1989-09-27 | Revoked | LEGACY NO DATA |
| 619 1/2 Newton Place Condominium Unit Owners Association (The) | — | N00007097846 | 2021-08-30 | Active | |
| 619 1/2 Newton Place Condominium Unit Owners Association (The) | — | N00007097846 | 2021-08-30 | Active | WASHINGTON |
| 619 12th Street North East LLC | — | L00008132519 | 2024-08-12 | Active | |
| 619 12th Street North East LLC | — | L00008132519 | 2024-08-12 | Dissolved | Washington |
| 619 14TH PLACE ASSOCIATES | — | P04536 | 1978-12-04 | Revoked | |
| 619 14TH PLACE ASSOCIATES | — | P04536 | 1978-12-04 | Revoked | LEGACY NO DATA |
| 619 14TH STREET LIMITED PARTNERSHIP | — | 014992 | 1992-12-04 | Dissolved | LEGACY NO DATA |
| 619 14TH STREET LIMITED PARTNERSHIP | — | 014992 | 1992-12-04 | Dissolved | |
| 619 16TH ST NE LLC | — | L00008447850 | 2025-06-07 | Dissolved | Washington |
| 619 16TH ST NE LLC | — | L00008447850 | 2025-06-17 | Active | |
| 619 16th St NE LLC | — | L00005189746 | 2015-04-29 | Revoked | Arlington |
| 619 16th St NE LLC | — | L00005189746 | 2015-04-29 | Revoked | |
| 619 E ST LLC | — | L00004571111 | 2012-06-04 | Revoked | |
| 619 E ST LLC | — | L00004571111 | 2012-06-04 | Revoked | GREAT FALLS |
| 619 EIGHT LIMITED PARTNERSHIP | — | P03029 | 1976-05-12 | Revoked | |
| 619 EIGHT LIMITED PARTNERSHIP | — | P03029 | 1976-05-12 | Revoked | LEGACY NO DATA |
| 619 ELLIOTT STREET, N.E. INC. | — | 800924 | 1980-02-28 | Revoked | |
| 619 ELLIOTT STREET, N.E. INC. | — | 800924 | 1980-02-28 | Revoked | |
| 619 Gallatin Project LLC | — | L00006371157 | 2019-08-20 | Revoked | Washington |
| 619 Gallatin Project LLC | — | L00006371157 | 2019-08-20 | Revoked | |
| 619 Harvard Street L.L.C. | — | L00005537780 | 2016-11-15 | Revoked | |
| 619 Harvard Street L.L.C. | — | L00005537780 | 2016-11-14 | Revoked | Ft Washington |
| 619 KENYON ST. LLC | — | L05164 | 2000-01-21 | Revoked | |
| 619 KENYON ST. LLC | — | L05164 | 2000-01-21 | Revoked | |
| 619 Lexington Pl LLC | — | L00005479201 | 2016-07-18 | Revoked | |