| 3-D SPORTS INVESTMENT GROUP LLC | — | L0000051259 | 2011-02-16 | Revoked | WASHINGTON |
| 3-D SPORTS INVESTMENT GROUP LLC | — | L0000051259 | 2011-02-11 | Revoked | — |
| 3-D SPORTS INVESTMENT GROUP, LLC | — | L00005712524 | 2017-05-31 | Revoked | — |
| 3-D SPORTS INVESTMENT GROUP, LLC | — | L00005712524 | 2017-05-31 | Revoked | WASHINGTON |
| 3-D SPORTS INVESTMENT GROUP, LLC | — | 301814 | — | — | — |
| 3-F CORPORATION | — | 840045 | 1984-01-06 | Dissolved | — |
| 3-F CORPORATION | — | 840045 | 1984-01-06 | Dissolved | — |
| 3-FOLD OPPORTUNITY INC. | — | N0000000170 | 2011-01-04 | Revoked | — |
| 3-FOLD OPPORTUNITY INC. | — | N0000000170 | 2011-01-04 | Revoked | WASHINGTON |
| 3-FOLD OPPORTUNITY, INC. | — | 300403 | — | — | — |
| 3-IT LLC | — | L04374 | 1999-08-31 | Revoked | — |
| 3-IT LLC | — | L04374 | 1999-08-31 | Revoked | — |
| 3-J 'S PLUMBING, PIPEFITTING AND HOME IMPROVEMENT, LLC | — | L00005482457 | 2016-07-25 | Revoked | — |
| 3-J 'S PLUMBING, PIPEFITTING AND HOME IMPROVEMENT, LLC | — | L00005482457 | 2016-07-25 | Revoked | WASHINGTON |
| 3-R CONTRACTING LLC | — | L50633 | 2010-06-14 | Active | — |
| 3-R CONTRACTING LLC | — | L50633 | 2010-06-14 | Active | Washington |
| 3-S WASHINGTON CORPORATION INC. | — | 940999 | 1994-03-30 | Revoked | — |
| 3-S WASHINGTON CORPORATION INC. | — | 940999 | 1994-03-30 | Revoked | — |
| 3-T AND FRIENDS PET SERVICES LLC | — | L50984 | 2010-07-06 | Revoked | — |
| 3-T AND FRIENDS PET SERVICES LLC | — | L50984 | 2010-07-06 | Revoked | WASHINGTON |
| 3. OH HEY LLC | — | L00006842860 | 2021-01-25 | Dissolved | Washington |
| 3. OH HEY LLC | — | L00006842860 | 2021-01-25 | Active | — |
| 3/D TECHNOLOGIES LTD. | — | 990820 | 1999-03-15 | Revoked | — |
| 3/D TECHNOLOGIES LTD. | — | 990820 | 1999-03-15 | Revoked | — |
| 30 8th St NE Washington DC LLC | — | L00007139642 | 2021-10-16 | Active | — |
| 30 8th St NE Washington DC LLC | — | L00007139642 | 2021-10-14 | Active | ARLINGTON |
| 30 9th ST. SE L.L.C. | — | L00004938181 | 2014-04-09 | Dissolved | — |
| 30 9th ST. SE L.L.C. | — | L00004938181 | 2014-04-09 | Dissolved | McLean |
| 30 Burns Street LLC | — | L00007895311 | 2024-01-30 | Active | — |
| 30 Burns Street LLC | — | L00007895311 | 2024-01-29 | Active | Washington |
| 30 Farragut Pl LLC | — | L00008419757 | 2025-05-11 | Dissolved | Washington |
| 30 Farragut Pl LLC | — | L00008419757 | 2025-05-11 | Active | — |
| 30 Florida Ave NE LLC | — | L00005151142 | 2015-03-26 | Active | — |
| 30 Florida Ave NE LLC | — | L00005151142 | 2015-03-26 | Active | Washington |
| 30 Hanover Condominium LLC | — | L00007193864 | 2022-01-05 | Active | — |
| 30 Hanover Condominium LLC | — | L00007193864 | 2022-01-05 | Active | Washington |
| 30 Kennedy St Holdings LLC | — | L00006151101 | 2019-01-16 | Revoked | — |
| 30 Kennedy St Holdings LLC | — | L00006151101 | 2019-01-16 | Revoked | Washington |
| 30 Longfellow NE LLC | — | US-DC-LL052601284 | 2026-05-19 | Active | Washington |
| 30 Mighty LLC | — | L00008290560 | 2025-02-21 | Active | Washington |
| 30 Mighty LLC | — | L00008290560 | 2025-02-21 | Active | — |
| 30 MINUTE MANAGER LLC | — | 303426 | — | — | — |
| 30 MINUTE MANAGER LLC | — | L0000051770 | 2011-03-03 | Dissolved | — |
| 30 MINUTE MANAGER LLC | — | L0000051770 | 2011-03-03 | Dissolved | WASHINGTON |
| 30 Morris Homes LLC | — | L00006157808 | 2019-01-25 | Active | silver spring |
| 30 Morris Homes LLC | — | L00006157808 | 2019-01-25 | Active | — |
| 30 People LLC | — | L00006860664 | 2021-02-10 | Revoked | — |
| 30 People LLC | — | L00006860664 | 2021-02-10 | Revoked | Washington |
| 30 Quincy Pl NW LLC | — | L00005919275 | 2018-03-19 | Active | — |
| 30 Quincy Pl NW LLC | — | L00005919275 | 2018-03-19 | Active | Washington |
| 30 WEST PERSHING, LLC | — | L00004793793 | 2002-04-23 | Active | — |
| 30 WEST PERSHING, LLC | — | L00004793793 | 2013-08-08 | Active | Kansas City |
| 30/60 GP CORPORATION | — | 211017 | 2001-03-29 | Revoked | — |
| 30/60 GP CORPORATION | — | 211017 | 2001-03-29 | Revoked | — |
| 30/60 M STREET LIMITED PARTNERSHIP | — | 029589 | 1989-09-19 | Revoked | LEGACY NO DATA |
| 30/60 M STREET LIMITED PARTNERSHIP | — | 029589 | 1989-09-19 | Revoked | — |
| 300 37TH STREET ASSOCIATES LIMITED PARTNERSHIP | — | 003891 | 1991-04-05 | Revoked | — |
| 300 37TH STREET ASSOCIATES LIMITED PARTNERSHIP | — | 003891 | 1991-04-05 | Revoked | LEGACY NO DATA |
| 300 37TH STREET LLC | — | L0000055610 | 2011-09-20 | Revoked | Washington |
| 300 37TH STREET LLC | — | L0000055610 | 2011-09-20 | Revoked | — |
| 300 37TH STREET, SE TENANTS ASSOCIATION INC. | — | 272688 | 2007-09-14 | Revoked | — |
| 300 37TH STREET, SE TENANTS ASSOCIATION INC. | — | 272688 | 2007-09-14 | Revoked | — |
| 300 3RD STREET LLC | — | L0000050053 | 2010-12-13 | Active | — |
| 300 3RD STREET LLC | — | L0000050053 | 2010-12-13 | Active | MCLEAN |
| 300 3RD STREET, LLC | — | 300174 | — | — | — |
| 300 59th ST NE Tenant Association | — | N00006269021 | 2023-03-29 | Active | Washington |
| 300 59th ST NE Tenant Association | — | N00006269021 | 2019-04-05 | Active | — |
| 300 59TH STREET TENANTS ASSOCIATION, INC. (THE) | — | 262061 | 2006-07-11 | Revoked | — |
| 300 59TH STREET TENANTS ASSOCIATION, INC. (THE) | — | 262061 | 2006-07-11 | Revoked | — |
| 300 62nd Street LLC | — | L00007020353 | 2021-06-04 | Revoked | — |
| 300 62nd Street LLC | — | L00007020353 | 2021-06-04 | Revoked | Upper Marlboro |
| 300 62nd Street NE Tenants Association, Inc | — | N00006978190 | 2021-04-10 | Revoked | — |
| 300 62nd Street NE Tenants Association, Inc | — | N00006978190 | 2021-04-10 | Revoked | Washington |
| 300 62ND STREET, NE TENANTS ASSOCIATION INC. | — | 272329 | 2007-08-14 | Revoked | — |
| 300 62ND STREET, NE TENANTS ASSOCIATION INC. | — | 272329 | 2007-08-14 | Revoked | — |
| 300 8TH STREET LLC | — | L10536 | 2002-02-11 | Withdrawn | — |
| 300 8TH STREET LLC | — | L10536 | 2002-02-11 | Withdrawn | nashville |
| 300 Allison LLC | — | L00006317192 | 2019-06-13 | Revoked | — |
| 300 Allison LLC | — | L00006317192 | 2019-06-13 | Revoked | Washington |
| 300 FOURTH STREET LIMITED PARTNERSHIP | — | 002393 | 1993-02-11 | Revoked | LEGACY NO DATA |
| 300 FOURTH STREET LIMITED PARTNERSHIP | — | 002393 | 1993-02-11 | Revoked | — |
| 300 HAMILTON INC. | — | 591714 | 1959-11-24 | Revoked | — |
| 300 HAMILTON INC. | — | 591714 | 1959-11-24 | Revoked | — |
| 300 I St NE LLC | — | L00008032038 | 2024-04-08 | Active | — |
| 300 I St NE LLC | — | L00008032038 | 2024-04-08 | Active | Washington |
| 300 I STREET N.E. ASSOCIATES LIMITED PARTNERSHIP | — | P00441 | 1985-03-12 | Revoked | — |
| 300 I STREET N.E. ASSOCIATES LIMITED PARTNERSHIP | — | P00441 | 1985-03-12 | Revoked | LEGACY NO DATA |
| 300 I STREET N.E. LLC | — | L03968 | 1999-06-14 | Dissolved | — |
| 300 I STREET N.E. LLC | — | L03968 | 1999-06-14 | Dissolved | — |
| 300 INDEPENDENCE AVENUE LLC | — | L01544 | 1997-05-20 | Active | — |
| 300 INDEPENDENCE AVENUE LLC | — | L01544 | 1997-05-20 | Active | WASHINGTON |
| 300 K STREET ASSOCIATES LIMITED PARTNERSHIP | — | P04382 | 1969-03-03 | Revoked | — |
| 300 K STREET ASSOCIATES LIMITED PARTNERSHIP | — | P04382 | 1969-03-03 | Revoked | LEGACY NO DATA |
| 300 K Street, LLC | — | L00007271984 | 2022-03-09 | Revoked | — |
| 300 K Street, LLC | — | L00007271984 | 2022-03-09 | Revoked | Washington |
| 300 K, LLC | — | L00006518797 | 2020-02-05 | Active | — |
| 300 K, LLC | — | L00006518797 | 2020-02-05 | Active | WASHINGTON |
| 300 L L.L.C. | — | L18371 | 2004-03-30 | Revoked | — |
| 300 L L.L.C. | — | L18371 | 2004-03-30 | Revoked | — |
| 300 Legion Gateway LLC | — | L00007754758 | 2023-07-21 | Revoked | — |
| 300 Legion Gateway LLC | — | L00007754758 | 2023-07-21 | Revoked | Washington |
| 300 M OWNER LLC | — | L00008433045 | 2025-05-23 | Active | — |
| 300 M OWNER LLC | — | L00008433045 | 2025-05-23 | Active | WASHINGTON |
| 300 M Street Development Group, LLC | — | L00006487202 | 2020-01-24 | Active | — |
| 300 M Street Development Group, LLC | — | L00006487202 | 2020-01-24 | Active | Chesterbrook |
| 300 M STREET INC. | — | 212737 | 2001-08-17 | Dissolved | — |
| 300 M STREET INC. | — | 212737 | 2001-08-17 | Dissolved | — |
| 300 M Street L.L.C. | — | L00004985183 | 2014-06-30 | Revoked | — |
| 300 M Street L.L.C. | — | L00004985183 | 2014-06-30 | Revoked | Washington |
| 300 M STREET MANAGEMENT LLC | — | L09204 | 2001-08-17 | Active | — |
| 300 M STREET MANAGEMENT LLC | — | L09204 | 2001-08-17 | Active | Washington |
| 300 MASS AVE L.L.C. | — | L36455 | 2007-12-07 | Active | — |
| 300 MASS AVE L.L.C. | — | L36455 | 2007-12-07 | Active | WASHINGTON |
| 300 Mass Kitchen LLC | — | US-DC-LL032601628 | 2026-03-24 | Active | Washington |
| 300 Morse CPK Owner, LLC | — | L00005846569 | 2018-01-12 | Active | San Francisco |
| 300 Morse CPK Owner, LLC | — | L00005846569 | 2017-12-20 | Active | — |
| 300 N.Y. L.L.C. | — | L18807 | 2004-05-03 | Revoked | — |
| 300 N.Y. L.L.C. | — | L18807 | 2004-05-03 | Revoked | — |
| 300 NEW JERSEY PARTNERS LLC | — | L47935 | 2010-01-27 | Dissolved | — |
| 300 NEW JERSEY PARTNERS LLC | — | L47935 | 2010-01-27 | Dissolved | — |
| 300 QUACKENBOS ST. LLC | — | L37500 | 2008-02-27 | Dissolved | — |
| 300 QUACKENBOS ST. LLC | — | L37500 | 2008-02-27 | Dissolved | — |
| 300 SEVENTH STREET NY OWNER LLC | — | L30871 | 2006-11-15 | Revoked | New York |
| 300 SEVENTH STREET NY OWNER LLC | — | L30871 | 2006-11-15 | Revoked | — |
| 300 SIXTH STREET, N.W. INC. | — | 730218 | 1973-01-22 | Revoked | — |
| 300 SIXTH STREET, N.W. INC. | — | 730218 | 1973-01-22 | Revoked | — |
| 300 TENNESSEE AVENUE BLOCK CLUB | — | 804815 | 1980-11-18 | Dissolved | — |
| 300 TENNESSEE AVENUE BLOCK CLUB | — | 804815 | 1980-11-18 | Dissolved | — |
| 300 TENNESSEE AVENUE, N.E. L.L.C. | — | L01420 | 1997-03-26 | Dissolved | — |
| 300 TENNESSEE AVENUE, N.E. L.L.C. | — | L01420 | 1997-03-26 | Dissolved | — |
| 300 Vine Street LLC | — | L00006231928 | 2019-03-21 | Active | Washington |
| 300 Vine Street LLC | — | L00006231928 | 2019-03-21 | Active | — |
| 300 Waterfront LLC | — | L00007691842 | 2023-04-27 | Active | — |
| 300 Waterfront LLC | — | L00007691842 | 2023-04-27 | Active | Washington |
| 3000 7th Builders LLC | — | L00004632539 | 2012-10-05 | Revoked | Washington |
| 3000 7th Builders LLC | — | L00004632539 | 2012-10-05 | Revoked | — |
| 3000 7TH ST 104 SB, LLC | — | L00004567173 | 2012-05-23 | Dissolved | — |
| 3000 7TH ST 104 SB, LLC | — | L00004567173 | 2012-05-23 | Dissolved | Washington |
| 3000 7TH ST 222 SB, LLC | — | L00004567626 | 2012-05-23 | Active | Washington |
| 3000 7TH ST 222 SB, LLC | — | L00004567626 | 2012-05-23 | Revoked | — |
| 3000 Chain Bridge LLC | — | L00008565474 | 2025-11-10 | Active | Potomac |
| 3000 Chain Bridge LLC | — | L00008565474 | 2025-11-10 | Active | — |
| 3000 M DEVELOPER LLC | — | L00005365427 | 2016-03-11 | Withdrawn | — |
| 3000 M DEVELOPER LLC | — | L00005365427 | 2016-03-14 | Withdrawn | NEW YORK |
| 3000 M Partners LLC | — | L00005365612 | 2016-03-14 | Withdrawn | New York |
| 3000 M Partners LLC | — | L00005365612 | 2016-03-11 | Withdrawn | — |
| 3000 M STREET LLC | — | US-DC-FN012601908 | 2026-01-31 | Active | New York |
| 3000 NIGHTS INC. | — | 281363 | 2008-05-08 | Revoked | — |
| 3000 NIGHTS INC. | — | 281363 | 2008-05-08 | Revoked | — |
| 3000 Vista NE LLC | — | L00006408176 | 2019-10-09 | Revoked | Washington |
| 3000 Vista NE LLC | — | L00006408176 | 2019-10-09 | Revoked | — |
| 3001 FOXHALL ROAD NW WESLEY HEIGHTS, LLC | — | C00007827879 | 2023-10-26 | Active | LAUREL |
| 3001 FOXHALL ROAD NW WESLEY HEIGHTS, LLC | — | C00007827879 | 2021-01-27 | Active | — |
| 3001 GEORGIA AVENUE LLC | — | L53393 | 2010-12-08 | Revoked | — |
| 3001 GEORGIA AVENUE LLC | — | L53393 | 2010-12-08 | Revoked | — |
| 3001 INVESTMENTS L.L.C. | — | L0000051928 | 2011-03-17 | Dissolved | — |
| 3001 INVESTMENTS L.L.C. | — | L0000051928 | 2011-03-17 | Dissolved | WASHINGTON |
| 3001 INVESTMENTS, L.L.C. | — | 303591 | — | — | — |
| 3001 K STREET LLC | — | L00004771698 | 2013-06-25 | Revoked | WASHINGTON |
| 3001 K STREET LLC | — | L00004771698 | 2013-06-25 | Revoked | — |
| 3001 M LIMITED PARTNERSHIP | — | P00434 | 1985-02-28 | Revoked | — |
| 3001 M LIMITED PARTNERSHIP | — | P00434 | 1985-02-28 | Revoked | LEGACY NO DATA |
| 3001 M STREET LLC | — | L04861 | 1999-12-02 | Revoked | — |
| 3001 M STREET LLC | — | L04861 | 1999-12-02 | Revoked | Washington |
| 3001 M STREET NW LP | — | 022099 | 1999-11-13 | Active | — |
| 3001 M STREET NW LP | — | 022099 | 1999-11-13 | Active | Washington |
| 3001 P ST. NW TENANTS ASSOCIATION INC. | — | 211651 | 2001-05-17 | Revoked | — |
| 3001 P ST. NW TENANTS ASSOCIATION INC. | — | 211651 | 2001-05-17 | Revoked | — |
| 3001 P STREET II LLC | — | L22485 | 2005-03-07 | Active | — |
| 3001 P STREET II LLC | — | L22485 | 2005-03-07 | Active | the plains |
| 3001 PORTER ST., N.W. | — | 815138 | 1981-11-18 | Active | — |
| 3001 PORTER ST., N.W. | — | 815138 | 1981-11-18 | Active | Washington |
| 3001 VEAZEY TERRACE, N.W. TENANTS ASSOCIATION, INC. (VAN NESS NORTH) | — | 791626 | 1979-04-30 | Revoked | Washington DC |
| 3001 VEAZEY TERRACE, N.W. TENANTS ASSOCIATION, INC. (VAN NESS NORTH) | — | 791626 | 1979-04-30 | Revoked | — |
| 3002 Q STREET NW LLC | — | L00006046597 | 2018-07-30 | Active | West Tisbury |
| 3002 Q STREET NW LLC | — | L00006046597 | 2018-08-02 | Active | — |
| 3003 Audubon, LLC | — | L00008576664 | 2025-11-25 | Active | — |
| 3003 Audubon, LLC | — | L00008576664 | 2025-11-25 | Active | Washington |
| 3003 Sherman Ave LLC | — | US-DC-LL032600825 | 2026-03-12 | Active | Washington |
| 3004 13TH STREET LLC | — | L42663 | 2009-03-04 | Revoked | — |
| 3004 13TH STREET LLC | — | L42663 | 2009-03-04 | Revoked | — |
| 3004 30TH STREET SE LLC | — | L0000055249 | 2011-08-31 | Active | WASHINGTON |
| 3004 30TH STREET SE LLC | — | L0000055249 | 2011-08-31 | Active | — |
| 3005 Perry St NE LLC | — | L00005083743 | 2015-01-06 | Revoked | Washington |
| 3005 Perry St NE LLC | — | L00005083743 | 2015-01-06 | Revoked | — |
| 3005 VISTA LLC | — | L53349 | 2010-12-07 | Revoked | — |
| 3005 VISTA LLC | — | L53349 | 2010-12-07 | Revoked | — |
| 3006 Arizona AVE LLC | — | L00005293518 | 2015-11-10 | Dissolved | washington |
| 3006 Arizona AVE LLC | — | L00005293518 | 2015-11-10 | Dissolved | — |
| 3006 Channing st L.L.C. | — | L00008250182 | 2025-01-21 | Active | — |
| 3006 Channing st L.L.C. | — | L00008250182 | 2025-01-21 | Active | Washington |
| 3007 Albemarle Street Venture LP | — | P00005724167 | — | Active | — |
| 3007 Albemarle Street Venture LP | — | P00005724699 | 2020-08-24 | Dissolved | — |
| 3007 Albemarle Street Venture LP | — | P00005724699 | 2017-06-20 | Dissolved | Arlington |
| 3008 Q STREET, N.W. L.L.C. | — | L04352 | 1999-08-26 | Dissolved | — |
| 3008 Q STREET, N.W. L.L.C. | — | L04352 | 1999-08-26 | Dissolved | — |
| 3009 17th LLC | — | L00007583415 | 2023-02-16 | Revoked | Washington |
| 3009 17th LLC | — | L00007583415 | 2023-02-16 | Revoked | — |
| 3009 8TH STREET, SE LLC | — | L38887 | 2008-05-19 | Revoked | — |
| 3009 8TH STREET, SE LLC | — | L38887 | 2008-05-19 | Revoked | — |