| 5421 Kansas - TFS1 LLC | — | L00007860881 | 2023-12-18 | Active | Washington |
| 5421 Kansas - TFS1 LLC | — | L00007860881 | 2023-12-18 | Active | |
| 5422 8th St LLC | — | L00005262992 | 2015-09-08 | Dissolved | |
| 5422 8th St LLC | — | L00005262992 | 2015-09-03 | Dissolved | WASHINGTON |
| 5425 TENANTS' ASSOCIATION INC. (THE) | — | 302337 | 2011-04-05 | Active | |
| 5425 TENANTS'S ASSOCIATION (THE) | — | N0000000585 | 2011-04-05 | Active | |
| 5425 TENANTS'S ASSOCIATION (THE) | — | N0000000585 | 2011-04-05 | Active | WASHINGTON |
| 5426 30TH STREET LLC | — | L00004778091 | 2013-07-10 | Revoked | WASHINGTON |
| 5426 30TH STREET LLC | — | L00004778091 | 2013-07-10 | Revoked | |
| 5427 Potomac Ave NW LLC | — | L00008203108 | 2024-11-13 | Active | |
| 5427 Potomac Ave NW LLC | — | L00008203108 | 2024-11-13 | Active | Washington |
| 5430 ASSOCIATES LIMITED PARTNERSHIP | — | P04624 | 1979-07-09 | Revoked | |
| 5430 ASSOCIATES LIMITED PARTNERSHIP | — | P04624 | 1979-07-09 | Revoked | LEGACY NO DATA |
| 5430 CONNECTICUT AVE. INC. | — | 842155 | 1984-06-11 | Revoked | |
| 5430 CONNECTICUT AVE. INC. | — | 842155 | 1984-06-11 | Revoked | |
| 5431 CONNECTICUT AVENUE, N.W., TENANTS ASSOCIATION | — | 832354 | 1983-05-09 | Revoked | |
| 5431 CONNECTICUT AVENUE, N.W., TENANTS ASSOCIATION | — | 832354 | 1983-05-09 | Revoked | |
| 5432 CONNECTICUT AVENUE, LLC | — | C00007383138 | 2022-06-07 | Active | GREAT FALLS |
| 5432 CONNECTICUT AVENUE, LLC | — | C00007383138 | 2022-01-18 | Active | |
| 5433 Georgia Ave LLC | — | US-DC-FN122500517 | 2025-12-15 | Active | Houston |
| 5437 33rd Street LLC | — | L00007512703 | 2022-11-28 | Dissolved | Washington |
| 5437 33rd Street LLC | — | L00007512703 | 2022-11-28 | Dissolved | |
| 5437 C Street SE L.L.C. | — | L00007216108 | 2022-02-01 | Revoked | |
| 5437 C Street SE L.L.C. | — | L00007216108 | 2022-02-01 | Active | Washington |
| 5438 4th Street LLC | — | L00006463065 | 2019-12-20 | Revoked | Silver Spring |
| 5438 4th Street LLC | — | L00006463065 | 2019-12-20 | Revoked | |
| 544 NEWTON NW LLC | — | L00005370995 | 2016-03-16 | Revoked | |
| 544 NEWTON NW LLC | — | L00005370995 | 2016-03-16 | Revoked | WASHINGTON |
| 544-98 LLC | — | L14154 | 2003-02-27 | Active | |
| 544-98 LLC | — | L14154 | 2003-02-27 | Active | CONCORD |
| 5441 BASS LLC | — | L00005002180 | 2014-07-22 | Revoked | |
| 5441 BASS LLC | — | L00005002180 | 2014-07-22 | Revoked | FAIRFAX |
| 5441 BASS PLACE, LLC | — | L00004973502 | 2014-06-09 | Revoked | |
| 5441 BASS PLACE, LLC | — | L00004973502 | 2014-06-09 | Revoked | WASHINGTON |
| 5441 MACARTHUR LLC | — | L47381 | 2009-12-08 | Revoked | |
| 5441 MACARTHUR LLC | — | L47381 | 2009-12-08 | Revoked | Washington |
| 5443 B LLC | — | L00005927456 | 2018-03-22 | Revoked | |
| 5443 B LLC | — | L00005927456 | 2018-03-22 | Revoked | Bowie |
| 5445 33rd Street LLC | — | L00007512717 | 2022-11-28 | Active | |
| 5445 33rd Street LLC | — | L00007512717 | 2022-11-28 | Dissolved | Washington |
| 5448 C Street LLC | — | L00006041519 | 2018-07-24 | Revoked | |
| 5448 C Street LLC | — | L00006041519 | 2018-07-24 | Revoked | Bowie |
| 545 11TH STREET SE, L.L.C. | — | L00004870696 | 2014-02-10 | Revoked | WASHINGTON |
| 545 11TH STREET SE, L.L.C. | — | L00004870696 | 2014-02-10 | Revoked | |
| 545 SHEPHERD LLC | — | L00006021084 | 2018-06-26 | Revoked | |
| 545 SHEPHERD LLC | — | L00006021084 | 2018-06-26 | Revoked | WASHINGTON |
| 545 Shepherd St LLC | — | L00006029682 | 2018-07-06 | Revoked | |
| 545 Shepherd St LLC | — | L00006029682 | 2018-07-06 | Revoked | Beltsville |
| 5450-3RD STREET INC. | — | 580103 | 1958-09-11 | Dissolved | |
| 5450-3RD STREET INC. | — | 580103 | 1958-09-11 | Dissolved | |
| 5455-3RD STREET INC. | — | 570167 | 1957-04-23 | Dissolved | |
| 5455-3RD STREET INC. | — | 570167 | 1957-04-23 | Dissolved | |
| 5458-3RD STREET INC. | — | 580102 | 1958-09-11 | Dissolved | |
| 5458-3RD STREET INC. | — | 580102 | 1958-09-11 | Dissolved | |
| 5461 CENTRAL AVE LLC | — | L40202 | 2008-08-20 | Revoked | |
| 5461 CENTRAL AVE LLC | — | L40202 | 2008-08-20 | Revoked | |
| 5468 31st St NW LLC | — | L00005259858 | 2015-09-01 | Revoked | |
| 5468 31st St NW LLC | — | L00005259858 | 2015-09-01 | Revoked | Bethesda |
| 547 4th ST SE LLC | — | L00008486835 | 2025-08-05 | Active | |
| 547 4th ST SE LLC | — | L00008486835 | 2025-08-05 | Active | Washington |
| 5470 31st St NW LLC | — | L00005168240 | 2015-04-06 | Revoked | |
| 5470 31st St NW LLC | — | L00005168240 | 2015-04-06 | Revoked | Bethesda |
| 5479 30TH ST., NW LLC | — | L00006814702 | 2020-12-16 | Dissolved | |
| 5479 30TH ST., NW LLC | — | L00006814702 | 2020-12-16 | Dissolved | Washington |
| 548-24th LLC | — | L00007339844 | 2022-04-12 | Active | Silver Spring |
| 548-24th LLC | — | L00007339844 | 2022-04-12 | Active | |
| 549 14th St SE LLC | — | L00007031990 | 2021-06-21 | Revoked | Washington |
| 549 14th St SE LLC | — | L00007031990 | 2021-06-22 | Revoked | |
| 549 Newcomb St SE LLC | — | L00006005312 | 2018-06-04 | Revoked | |
| 549 Newcomb St SE LLC | — | L00006005312 | 2018-06-04 | Revoked | Washington |
| 549 Park LLC | — | L00005483678 | 2016-07-26 | Revoked | Betheda |
| 549 Park LLC | — | L00005483678 | 2016-07-26 | Revoked | |
| 54FREEDOM FOUNDATION INC | — | 298928 | 2010-08-27 | Revoked | |
| 54FREEDOM FOUNDATION INC | — | 298928 | 2010-08-27 | Revoked | |
| 54Gene, Inc. | — | C00006683711 | 2019-01-15 | Revoked | |
| 54Gene, Inc. | — | C00006683711 | 2020-01-01 | Revoked | Washington |
| 54TH MASSACHUSETTS VOLUNTEER INFANTRY, INCORPORATED (THE) | — | 903555 | 1990-10-11 | Revoked | |
| 54TH MASSACHUSETTS VOLUNTEER INFANTRY, INCORPORATED (THE) | — | 903555 | 1990-10-11 | Revoked | |
| 54TH STREET CORPORATION | — | 250196 | 2005-01-21 | Active | WASHINGTON |
| 54TH STREET CORPORATION | — | 250196 | 2005-01-21 | Active | |
| 54TH STREET NE LLC | — | L00005831936 | 2017-12-12 | Revoked | |
| 54TH STREET NE LLC | — | L00005831936 | 2017-12-12 | Revoked | Capitol Heights |
| 54th & Hyde Strategy Group LLC | — | L00006715275 | 2020-08-11 | Revoked | Washington |
| 54th & Hyde Strategy Group LLC | — | L00006715275 | 2020-08-11 | Revoked | |
| 55 Buchanan St. NE LLC | — | L00006439628 | 2019-11-21 | Revoked | Chevy Chase |
| 55 Buchanan St. NE LLC | — | L00006439628 | 2019-11-21 | Revoked | |
| 55 CRITTENDEN STREET LLC | — | L53145 | 2010-11-23 | Revoked | |
| 55 CRITTENDEN STREET LLC | — | L53145 | 2010-11-23 | Revoked | |
| 55 GALVESTON PLACE SW LLC | — | L51580 | 2010-08-12 | Active | |
| 55 GALVESTON PLACE SW LLC | — | L51580 | 2021-10-08 | Active | WASHINGTON |
| 55 Kankri Corp. | — | C00007334215 | 2022-04-06 | Revoked | |
| 55 Kankri Corp. | — | C00007334215 | 2022-04-06 | Revoked | Washington |
| 55 NEW YORK AVENUE LLC | — | L03819 | 1999-05-11 | Dissolved | |
| 55 NEW YORK AVENUE LLC | — | L03819 | 1999-05-11 | Dissolved | |
| 55 P Street, NW LLC | — | L00006098813 | 2018-10-19 | Revoked | |
| 55 P Street, NW LLC | — | L00006098813 | 2018-10-19 | Revoked | Bethesda |
| 55 Q St SW LLC | — | L00005675358 | 2017-04-10 | Revoked | |
| 55 Q St SW LLC | — | L00005675358 | 2017-04-10 | Revoked | Falls Church |
| 55 Seventy DC BevCo LLC | — | US-DC-FN032600869 | 2026-03-12 | Active | Dallas |
| 55 W, LLC | — | L00005507723 | 2016-09-13 | Dissolved | WASHINGTON |
| 55 W, LLC | — | L00005507723 | 2016-09-13 | Dissolved | |
| 55-46TH STREET NE ABCD LLC | — | L00005768268 | 2017-08-24 | Revoked | |
| 55-46TH STREET NE ABCD LLC | — | L00005768268 | 2017-08-24 | Revoked | WOODBRIDGE |
| 550 C STREET LLC | — | L13508 | 2002-12-26 | Active | BETHESDA |
| 550 C STREET LLC | — | L13508 | 2002-12-26 | Active | |
| 550 Newcomb St SE L.L.C. | — | L00005480343 | 2016-07-20 | Active | WASHINGTON |
| 550 Newcomb St SE L.L.C. | — | L00005480343 | 2016-08-17 | Active | |
| 5500 B STREET Inc. | — | 630859 | 1963-11-15 | Dissolved | Washington |
| 5500 B STREET Inc. | — | 630859 | 1963-11-15 | Dissolved | |
| 5500 LIQUIDATION Corp. | — | C00004839301 | 2013-01-10 | Withdrawn | |
| 5500 LIQUIDATION Corp. | — | C00004839301 | 2013-11-26 | Withdrawn | ATLANTA |
| 5501 14th Street LLC | — | L00005735491 | 2017-07-05 | Active | |
| 5501 14th Street LLC | — | L00005735491 | 2017-07-05 | Active | Washington |
| 5501 7th St OZ LLC | — | C00007061219 | 2021-07-12 | Active | |
| 5501 7th St OZ LLC | — | C00007061219 | 2021-07-19 | Active | Washington |
| 5501 8TH ST LLC | — | L26009 | 2005-11-15 | Revoked | |
| 5501 8TH ST LLC | — | L26009 | 2005-11-15 | Revoked | |
| 5501 CONNECTICUT AVENUE ASSOC LTD | — | P05451 | 1972-10-04 | Revoked | |
| 5501 CONNECTICUT AVENUE ASSOC LTD | — | P05451 | 1972-10-04 | Revoked | |
| 5501 CONNECTICUT AVENUE ASSOCIATES | — | 1266 | 1972-10-04 | Merged | |
| 5501 CONNECTICUT AVENUE ASSOCIATES | — | 1266 | 1972-10-04 | Merged | POTOMAC |
| 5501 CONNECTICUT AVENUE ASSOCIATES, L.L.C.. | — | L02251 | 1998-02-17 | Active | POTOMAC |
| 5501 CONNECTICUT AVENUE ASSOCIATES, L.L.C.. | — | L02251 | 1998-02-17 | Active | |
| 5502 B ST LLC | — | L0000050490 | 2011-01-10 | Revoked | LANHAM |
| 5502 B ST LLC | — | L0000050490 | 2009-12-02 | Revoked | |
| 5502 B ST, LLC | — | 300603 | — | | |
| 5503 7th St NW LLC | — | L00006751495 | 2020-09-18 | Revoked | |
| 5503 7th St NW LLC | — | L00006751495 | 2020-09-18 | Revoked | Washington |
| 5503 7th st nw L.L.C. | — | L00005588396 | 2017-02-21 | Revoked | |
| 5503 7th st nw L.L.C. | — | L00005588396 | 2017-02-15 | Revoked | Washington |
| 5503 JAY STREET LLC | — | L00008056326 | 2024-05-03 | Revoked | |
| 5503 JAY STREET LLC | — | L00008056326 | 2024-04-30 | Revoked | Washington |
| 5503 NANNIE HELEN BURROUGHS AVENUE N.E. L.L.C. | — | L00919 | 1996-07-09 | Revoked | |
| 5503 NANNIE HELEN BURROUGHS AVENUE N.E. L.L.C. | — | L00919 | 1996-07-09 | Revoked | |
| 5505 1st ST HOLDINGS LLC | — | L00005736770 | 2017-07-06 | Dissolved | |
| 5505 1st ST HOLDINGS LLC | — | L00005736770 | 2017-07-06 | Dissolved | Washington |
| 5505 5TH STREET JOINT VENTURE | — | P05007 | 1966-09-23 | Revoked | |
| 5505 5TH STREET JOINT VENTURE | — | P05007 | 1966-09-23 | Revoked | |
| 5505 5TH STREET LLC | — | L48765 | 2010-03-23 | Revoked | |
| 5505 5TH STREET LLC | — | L48765 | 2010-03-23 | Revoked | Washington |
| 5505 7th St NW LLC | — | L00006840569 | 2021-01-22 | Active | |
| 5505 7th St NW LLC | — | L00006840569 | 2021-01-22 | Active | Washington |
| 5505 CONN, LLC | — | L00004932274 | 2014-04-02 | Active | |
| 5505 CONN, LLC | — | L00004932274 | 2014-04-02 | Active | WASHINGTON |
| 5505 FIFTH STREET PARTNERS, LLC | — | L0000055315 | 2011-09-02 | Dissolved | |
| 5505 FIFTH STREET PARTNERS, LLC | — | L0000055315 | 2011-09-02 | Dissolved | WASHINGTON |
| 5505 JOINT VENTURE INC. | — | 691645 | 1969-07-14 | Revoked | |
| 5505 JOINT VENTURE INC. | — | 691645 | 1969-07-14 | Revoked | |
| 5505 TH STREET NW LLC | — | L42309 | 2009-02-04 | Revoked | |
| 5505 TH STREET NW LLC | — | L42309 | 2009-02-04 | Revoked | |
| 5506 Foote Street L.L.C. | — | L00005723190 | 2017-06-16 | Revoked | |
| 5506 Foote Street L.L.C. | — | L00005723190 | 2017-06-16 | Revoked | Herndon |
| 5507 7th St NW LLC | — | L00007153588 | 2021-11-02 | Active | |
| 5507 7th St NW LLC | — | L00007153588 | 2021-11-02 | Active | Washington |
| 5507 8TH ST. LLC | — | L00004955822 | 2014-05-08 | Revoked | |
| 5507 8TH ST. LLC | — | L00004955822 | 2014-05-08 | Revoked | WASHINGTON |
| 5508 7th Street NW LLC | — | L00005560689 | 2017-01-05 | Revoked | Washington |
| 5508 7th Street NW LLC | — | L00005560689 | 2017-01-05 | Revoked | |
| 5508 N Capitol St. L.L.C. | — | L00005438908 | 2016-05-12 | Revoked | |
| 5508 N Capitol St. L.L.C. | — | L00005438908 | 2016-05-12 | Revoked | Ft. Washington |
| 5509 5TH STREET LLC | — | L48764 | 2010-03-23 | Revoked | Washington |
| 5509 5TH STREET LLC | — | L48764 | 2010-03-23 | Revoked | |
| 5509 5th Street NW Tenant Association, Inc. | — | N00006761576 | 2020-09-30 | Revoked | Washington |
| 5509 5th Street NW Tenant Association, Inc. | — | N00006761576 | 2020-09-30 | Revoked | |
| 5509 9TH STREET TENANT ASSOCIATION | — | 295300 | 2009-09-01 | Revoked | |
| 5509 9TH STREET TENANT ASSOCIATION | — | 295300 | 2009-09-01 | Revoked | |
| 5509 Nannie Helen Burroughs NE LLC | — | L00006060219 | 2018-08-20 | Active | |
| 5509 Nannie Helen Burroughs NE LLC | — | L00006060219 | 2018-08-20 | Active | Washington |
| 551-557 LEBAUM STREET COOPERATIVE INC. | — | 832961 | 1983-06-21 | Revoked | |
| 551-557 LEBAUM STREET COOPERATIVE INC. | — | 832961 | 1983-06-21 | Revoked | |
| 551-557 Lebaum St SE Tenants Association, Inc | — | N00007463967 | 2022-09-16 | Revoked | |
| 551-557 Lebaum St SE Tenants Association, Inc | — | N00007463967 | 2022-09-16 | Revoked | Washington |
| 5510 1ST STREET NW LLC | — | L48758 | 2010-03-23 | Revoked | WASHINGTON |
| 5510 1ST STREET NW LLC | — | L48758 | 2010-03-23 | Revoked | |
| 5510 Sherier L.L.C. | — | L00007486574 | 2022-10-18 | Revoked | |
| 5510 Sherier L.L.C. | — | L00007486574 | 2022-10-18 | Revoked | Washington |
| 5512 5th St NE LLC | — | L00006098795 | 2018-10-19 | Revoked | Washington |
| 5512 5th St NE LLC | — | L00006098795 | 2019-01-29 | Revoked | |
| 5513 Kansas Avenue, NW L.L.C. | — | L00008130099 | 2024-08-07 | Active | |
| 5513 Kansas Avenue, NW L.L.C. | — | L00008130099 | 2024-08-07 | Active | Columbia |
| 5514 1ST STREET TENANTS ASSOCIATION | — | 980701 | 1998-03-04 | Revoked | |
| 5514 1ST STREET TENANTS ASSOCIATION | — | 980701 | 1998-03-04 | Revoked | |
| 5514 7th Street LLC | — | L00007375833 | 2022-05-27 | Active | |
| 5514 7th Street LLC | — | L00007375833 | 2022-05-27 | Active | Beltsville |
| 5514 CLAY PLACE NE LLC | — | L00005810817 | 2017-11-03 | Revoked | |
| 5514 CLAY PLACE NE LLC | — | L00005810817 | 2017-11-03 | Revoked | Potomac |
| 5514 Call Place SE, LLC | — | L00004944811 | 2014-04-21 | Revoked | |
| 5514 Call Place SE, LLC | — | L00004944811 | 2014-04-21 | Revoked | Fort Washington |
| 5514 Colorado Avenue NW LLC | — | L00006655292 | 2020-05-22 | Active | Washington |
| 5514 Colorado Avenue NW LLC | — | L00006655292 | 2020-06-19 | Active | |
| 5514 FIRST STREET, N.W. TENANTS ASSOCIATION | — | 813507 | 1981-08-07 | Revoked | |
| 5514 FIRST STREET, N.W. TENANTS ASSOCIATION | — | 813507 | 1981-08-07 | Revoked | |
| 5516 13th St LLC | — | L00008470932 | 2025-07-15 | Revoked | Washington |
| 5516 13th St LLC | — | L00008470932 | 2025-07-16 | Active | |
| 5516 14th Street LLC | — | L00005056728 | 2014-10-30 | Revoked | |
| 5516 14th Street LLC | — | L00005056728 | 2014-10-30 | Revoked | Beltsville |
| 5516 7th Street NW LLC | — | L00006643741 | 2020-06-03 | Revoked | |
| 5516 7th Street NW LLC | — | L00006643741 | 2020-06-03 | Revoked | Beltsville |
| 5517 7th Street Condominium Association | — | US-DC-NP052600738 | 2026-05-11 | Active | Washington |
| 5519 5th St LLC | — | L00006093065 | 2018-10-11 | Revoked | |