| 3927 Pennsylvania Ave SE #202, LLC | — | L00007464591 | 2022-09-18 | Active | |
| 3927 Pennsylvania Ave SE #202, LLC | — | L00007464591 | 2022-09-18 | Active | Las Vegas |
| 3927 Properties LLC | — | L00005511878 | 2016-09-23 | Active | |
| 3927 Properties LLC | — | L00005511878 | 2016-09-21 | Active | Washington |
| 3927-3929 4th St SE L.L.C. | — | L00006550947 | 2020-03-11 | Revoked | Washington |
| 3927-3929 4th St SE L.L.C. | — | L00006550947 | 2020-03-18 | Revoked | |
| 3928 1St LLC | — | C00006650976 | 2020-06-11 | Active | |
| 3928 1St LLC | — | C00006650976 | 2020-06-11 | Active | Washington |
| 3928 NH KNS LLC | — | L00004841293 | 2013-12-03 | Revoked | Rockville |
| 3928 NH KNS LLC | — | L00004841293 | 2013-12-03 | Revoked | |
| 3929 Fulton LLC | — | L00007789991 | 2023-09-04 | Active | |
| 3929 Fulton LLC | — | L00007789991 | 2023-09-04 | Active | Washington |
| 3929 HIGHWOOD COURT LLC | — | L38720 | 2008-05-14 | Revoked | |
| 3929 HIGHWOOD COURT LLC | — | L38720 | 2008-05-14 | Revoked | |
| 3929-3931 W STREET TENANT ASSOCIATION INC. | — | 893865 | 1989-10-23 | Revoked | |
| 3929-3931 W STREET TENANT ASSOCIATION INC. | — | 893865 | 1989-10-23 | Revoked | |
| 3930 1st LLC | — | L00005555322 | 2016-12-22 | Active | Washington |
| 3930 1st LLC | — | L00005555322 | 2016-12-22 | Active | |
| 3931 GEORGIA AVENUE, LLC | — | L08747 | 2001-06-19 | Active | |
| 3931 GEORGIA AVENUE, LLC | — | L08747 | 2001-06-19 | Active | Washington |
| 3932 AND 3934 14TH STREET LIMITED PARTNERSHIP | — | 004894 | 1994-03-03 | Expired | |
| 3932 ILLINOIS LLC | — | L00006015607 | 2018-06-15 | Dissolved | WASHINGTON |
| 3932 ILLINOIS LLC | — | L00006015607 | 2018-06-15 | Active | |
| 3933 14TH ST. INC. | — | 771422 | 1977-05-13 | Revoked | |
| 3933 14TH ST. INC. | — | 771422 | 1977-05-13 | Revoked | |
| 3934 10th Street NE, LLC | — | L00006659624 | 2020-06-23 | Revoked | Arlington |
| 3934 10th Street NE, LLC | — | L00006659624 | 2020-06-16 | Revoked | |
| 3934 12TH STREET LLC | — | L00005511383 | 2016-06-06 | Revoked | |
| 3934 12TH STREET LLC | — | L00005511383 | 2016-09-20 | Active | Bethesda |
| 3934 14th St Condos L.L.C. | — | L00006731460 | 2020-08-26 | Active | |
| 3934 14th St Condos L.L.C. | — | L00006731460 | 2020-08-26 | Active | Herndon |
| 3935-2937 S STREET SE TENANTS ASSOCIATION INC. | — | 243213 | 2004-10-15 | Revoked | |
| 3935-2937 S STREET SE TENANTS ASSOCIATION INC. | — | 243213 | 2004-10-15 | Revoked | |
| 3937 Davis Place LLC | — | L00004614474 | 2012-08-27 | Revoked | Washington |
| 3937 Davis Place LLC | — | L00004614474 | 2012-08-27 | Revoked | |
| 3937 Military Rd NW LLC | — | L00007742034 | 2023-07-03 | Revoked | Washington |
| 3937 Military Rd NW LLC | — | L00007742034 | 2023-07-06 | Active | |
| 3939 WICONSIN AVENUE ASSOCIATES | — | P00742 | 1985-12-18 | Revoked | |
| 3939 WICONSIN AVENUE ASSOCIATES | — | P00742 | 1985-12-18 | Revoked | LEGACY NO DATA |
| 3939 WISCONSIN AVENUE ASSOCIATES | — | 12162 | 1985-12-18 | Revoked | |
| 3939 WISCONSIN AVENUE ASSOCIATES | — | 12162 | 1985-12-18 | Revoked | LEGACY NO DATA |
| 3939 WISCONSIN, LLC | — | L00005798878 | 2017-10-16 | Active | |
| 3939 WISCONSIN, LLC | — | L00005798878 | 2017-10-16 | Active | Washington |
| 3941 Alabama Ave SE L.L.C. | — | L00008112261 | 2024-07-14 | Revoked | |
| 3941 Alabama Ave SE L.L.C. | — | L00008112261 | 2024-07-09 | Revoked | Washington |
| 3941 Davis Place L.L.C. | — | L00006782248 | 2020-10-28 | Revoked | Washington |
| 3941 Davis Place L.L.C. | — | L00006782248 | 2020-10-28 | Revoked | |
| 3943 Military MDC L.L.C. | — | L00007853347 | 2023-12-06 | Revoked | |
| 3943 Military MDC L.L.C. | — | L00007853347 | 2023-12-06 | Revoked | Washington |
| 3943 Military Road LLC | — | L00007812189 | 2023-10-04 | Revoked | Washington |
| 3943 Military Road LLC | — | L00007812189 | 2023-10-05 | Revoked | |
| 3943 R st.SE, LLC | — | L00006034703 | 2018-07-12 | Revoked | |
| 3943 R st.SE, LLC | — | L00006034703 | 2018-07-12 | Revoked | Oxon Hill |
| 3944 Benning Rd NE LLC | — | L00007066535 | 2021-07-23 | Active | Bethesda |
| 3944 Benning Rd NE LLC | — | L00007066535 | 2021-07-23 | Active | |
| 3945 1ST STREET LLC | — | L00008086383 | 2024-06-04 | Active | Washington |
| 3945 1ST STREET LLC | — | L00008086383 | 2024-06-12 | Active | |
| 3945 4th Street SE LLC | — | L00004638631 | 2012-10-24 | Active | |
| 3945 4th Street SE LLC | — | L00004638631 | 2012-10-24 | Active | Washington |
| 3945 Connecticut Ave NW Ground Owner LLC | — | L00006454062 | 2019-12-12 | Active | New York |
| 3945 Connecticut Ave NW Ground Owner LLC | — | L00006454062 | 2019-05-13 | Active | |
| 3945 Providence Holding LLC | — | L00005459166 | 2016-06-14 | Revoked | |
| 3945 Providence Holding LLC | — | L00005459166 | 2016-06-14 | Revoked | Washington DC |
| 3952 BEL PRE ROAD CORPORATION | — | 892222 | 1989-06-14 | Revoked | |
| 3952 BEL PRE ROAD CORPORATION | — | 892222 | 1989-06-14 | Revoked | |
| 3956 1st Street SW LLC | — | L00007303378 | 2022-03-25 | Revoked | |
| 3956 1st Street SW LLC | — | L00007303378 | 2022-03-25 | Revoked | Washington |
| 3956-3960 PENNSYLVANIA AVENUE LLC | — | L37759 | 2008-03-13 | Revoked | |
| 3956-3960 PENNSYLVANIA AVENUE LLC | — | L37759 | 2008-03-13 | Revoked | Washington |
| 3956-60 PENNSYLVANIA LIMITED PARTNERSHIP | — | P00477 | 1985-05-15 | Revoked | |
| 3956-60 PENNSYLVANIA LIMITED PARTNERSHIP | — | P00477 | 1985-05-15 | Revoked | LEGACY NO DATA |
| 3959 R St LLC | — | L00008506639 | 2025-08-28 | Active | |
| 3959 R St LLC | — | L00008506639 | 2025-08-26 | Revoked | Washington |
| 3961 Martin Luther King Jr. Avenue LLC | — | L00005771804 | 2017-08-29 | Dissolved | |
| 3961 Martin Luther King Jr. Avenue LLC | — | L00005771804 | 2017-08-29 | Dissolved | Washington |
| 3964 Ames St LLC | — | L00007826877 | 2023-10-25 | Revoked | |
| 3964 Ames St LLC | — | L00007826877 | 2023-10-19 | Revoked | Washington |
| 3968 MLK LLC | — | L00006301978 | 2019-05-20 | Revoked | WASHINGTON |
| 3968 MLK LLC | — | L00006301978 | 2019-05-20 | Revoked | |
| 3970 PENNSYLVANIA AVENUE, S.E. ASSOCIATES L.L.C. | — | L00009 | 1994-08-19 | Revoked | |
| 3970 PENNSYLVANIA AVENUE, S.E. ASSOCIATES L.L.C. | — | L00009 | 1994-08-19 | Revoked | |
| 3970 Penn Holdings 1 Limited Liability Company | — | L00008464968 | 2025-07-09 | Active | |
| 3970 Penn Holdings 1 Limited Liability Company | — | L00008464968 | 2025-07-09 | Active | Washington |
| 3970 Penn Holdings 2 Limited Liability Company | — | L00008465626 | 2025-07-09 | Active | |
| 3970 Penn Holdings 2 Limited Liability Company | — | L00008465626 | 2025-07-09 | Active | Washington |
| 3970 Penn LLC | — | L00008215673 | 2024-12-03 | Active | |
| 3970 Penn LLC | — | L00008215673 | 2024-12-03 | Revoked | Bowie |
| 3981 1st st LLC | — | L00006202199 | 2019-03-07 | Revoked | Washington |
| 3981 1st st LLC | — | L00006202199 | 2019-03-07 | Revoked | |
| 3984 Penn LLC | — | L00005150718 | 2015-03-26 | Revoked | Washington |
| 3984 Penn LLC | — | L00005150718 | 2015-03-26 | Active | |
| 3987 Blaine St NE LLC | — | US-DC-LL032601437 | 2026-03-20 | Active | Washington |
| 39SG L.L.C. | — | L00008034481 | 2024-04-09 | Active | Washington |
| 39SG L.L.C. | — | L00008034481 | 2024-04-09 | Active | |
| 39TH STREET HOOLIGANS LLC | — | L00007113680 | 2021-09-16 | Revoked | |
| 39TH STREET HOOLIGANS LLC | — | L00007113680 | 2021-09-16 | Revoked | Washington |
| 39TH STREET L.L.C. | — | L28452 | 2006-05-15 | Revoked | |
| 39TH STREET L.L.C. | — | L28452 | 2006-05-15 | Revoked | BETHESDA |
| 39TH STREET NW LLC | — | L00006374567 | 2019-08-21 | Dissolved | |
| 39TH STREET NW LLC | — | L00006374567 | 2019-08-26 | Dissolved | SEATTLE |
| 3:15 AM MUSIC L.L.C. | — | L23962 | 2005-06-17 | Revoked | |
| 3:15 AM MUSIC L.L.C. | — | L23962 | 2005-06-17 | Revoked | |
| 3A VENDING LLC | — | L05733 | 2000-04-13 | Revoked | |
| 3A VENDING LLC | — | L05733 | 2000-04-13 | Revoked | |
| 3ACE Intelligence Inc. | — | C00007504813 | 2022-11-12 | Revoked | Washington |
| 3ACE Intelligence Inc. | — | C00007504813 | 2022-11-12 | Revoked | |
| 3AM ENTERPRISES LLC | — | L38677 | 2008-05-09 | Revoked | |
| 3AM ENTERPRISES LLC | — | L38677 | 2008-05-09 | Revoked | |
| 3AM INNOVATIONS, Inc. | — | C00007724670 | 2015-07-06 | Revoked | |
| 3AM INNOVATIONS, Inc. | — | C00007724670 | 2023-06-14 | Revoked | Buffalo |
| 3AO LLC | — | C00007206651 | 2021-11-29 | Active | |
| 3AO LLC | — | C00007206651 | 2022-01-20 | Active | Upper Marlboro |
| 3B Plus Photography LLC | — | L00004756759 | 2013-05-24 | Revoked | |
| 3B Plus Photography LLC | — | L00004756759 | 2013-05-24 | Revoked | Washington |
| 3B Projects International Trade & Consultants LLC | — | L00004714569 | 2013-03-26 | Revoked | |
| 3B Projects International Trade & Consultants LLC | — | L00004714569 | 2013-03-26 | Revoked | Washington |
| 3B hand car wash and detailing LLC | — | L00008098406 | 2024-06-27 | Revoked | |
| 3B hand car wash and detailing LLC | — | L00008098406 | 2024-06-27 | Revoked | Washington |
| 3BG Pentagon LLC | — | L00007861197 | 2023-12-18 | Active | |
| 3BG Pentagon LLC | — | L00007861197 | 2023-12-18 | Revoked | Washington |
| 3BG Solutions LLC | — | L00005736174 | 2017-07-06 | Dissolved | |
| 3BG Solutions LLC | — | L00005736174 | 2017-07-06 | Dissolved | Washington |
| 3BKN LTD LLC | — | L00007886430 | 2024-01-22 | Active | WASHINGTON |
| 3BKN LTD LLC | — | L00007578581 | 2023-02-14 | Active | |
| 3BKN LTD LLC | — | L00007886430 | 2024-01-22 | Active | |
| 3BLOCKS LLC | — | L00006123467 | 2018-09-14 | Revoked | |
| 3BLOCKS LLC | — | L00006123467 | 2018-12-03 | Revoked | VIENNA |
| 3BS BROADCASTING INC. | — | 833422 | 1983-07-29 | Revoked | |
| 3BS BROADCASTING INC. | — | 833422 | 1983-07-29 | Revoked | |
| 3C BROKERAGE LLC | — | L00006486896 | 2020-01-24 | Active | Baltimore |
| 3C BROKERAGE LLC | — | L00006486896 | 2020-01-24 | Active | |
| 3C Brokerage LLC | — | L00005327059 | 2016-01-05 | Dissolved | Washington |
| 3C Brokerage LLC | — | L00005327059 | 2016-01-05 | Dissolved | |
| 3C Complete Commercial Cleaning LLC | — | L00006299232 | 2004-08-27 | Revoked | |
| 3C Complete Commercial Cleaning LLC | — | L00006299232 | 2019-05-14 | Revoked | ANNANDALE |
| 3C Consulting Services LLC | — | L00008528477 | 2025-09-19 | Active | |
| 3C Consulting Services LLC | — | L00008528477 | 2025-09-19 | Active | Washington |
| 3C Corporation | — | 221877 | 2002-06-14 | Active | |
| 3C Corporation | — | 221877 | 2002-06-14 | Active | New Haven |
| 3C INTERACTIVE LLC | — | L0000050322 | 2005-04-06 | Withdrawn | |
| 3C INTERACTIVE LLC | — | L0000050322 | 2010-12-28 | Withdrawn | Boca Raton |
| 3C INTERACTIVE, LLC | — | 300371 | — | | |
| 3C NE Holdings LLC | — | US-DC-FN052601052 | 2026-05-14 | Active | Washington |
| 3C STRATEGIES, LLC | — | L00005582633 | 2017-02-08 | Active | |
| 3C STRATEGIES, LLC | — | L00005582633 | 2017-02-08 | Active | Washington |
| 3C Solar LLC | — | C00007201756 | 2022-01-14 | Active | Washington |
| 3C Solar LLC | — | C00007201756 | 2022-01-14 | Active | |
| 3C3W Solutions LLC | — | L00007818721 | 2023-10-13 | Active | |
| 3C3W Solutions LLC | — | L00007818721 | 2023-10-06 | Active | Washington |
| 3CG LLC | — | L40456 | 2008-09-11 | Revoked | |
| 3CG LLC | — | L40456 | 2008-09-11 | Revoked | |
| 3CHITOZI LLC | — | C00007079582 | 2020-06-04 | Revoked | |
| 3CHITOZI LLC | — | C00007079582 | 2021-08-03 | Revoked | Washington |
| 3D CAC Community Safety Foundation, Inc. | — | US-DC-NP052602020 | 2026-05-29 | Active | Washington |
| 3D CADALYST, LLC | — | L00004787414 | 2013-07-26 | Revoked | WASHINGTON |
| 3D CADALYST, LLC | — | L00004787414 | 2013-07-26 | Revoked | |
| 3D CAPITAL INC | — | C00005341772 | 2016-02-18 | Revoked | Washington |
| 3D CAPITAL INC | — | C00005341772 | 2015-03-12 | Revoked | |
| 3D CLEANING LLC | — | L00006356200 | 2019-07-30 | Revoked | |
| 3D CLEANING LLC | — | L00006356200 | 2019-07-30 | Revoked | WASHINGTON |
| 3D CONSTRUCTION AND MAINTENANCE LLC | — | L33319 | 2007-04-27 | Revoked | |
| 3D CONSTRUCTION AND MAINTENANCE LLC | — | L33319 | 2007-04-27 | Revoked | |
| 3D CONSTRUCTION Limited Liability Company | — | L00006915519 | 2021-03-16 | Revoked | WASHINGTON |
| 3D CONSTRUCTION Limited Liability Company | — | L00006915519 | 2021-03-16 | Revoked | |
| 3D Catering LLC | — | L00007787868 | 2023-08-31 | Revoked | |
| 3D Catering LLC | — | L00007787868 | 2023-08-25 | Revoked | Washington |
| 3D Coaching & Counseling LLC | — | L00005724984 | 2017-06-20 | Revoked | |
| 3D Coaching & Counseling LLC | — | L00005724984 | 2017-06-20 | Revoked | Washington |
| 3D DECORATORS INC. | — | 863094 | 1986-08-06 | Revoked | |
| 3D DECORATORS INC. | — | 863094 | 1986-08-06 | Revoked | |
| 3D DESIGN & REMODELING LLC | — | L51305 | 2010-07-27 | Revoked | |
| 3D DESIGN & REMODELING LLC | — | L51305 | 2010-07-27 | Revoked | |
| 3D DEVELOPMENT INC. | — | 243706 | 2004-12-03 | Revoked | |
| 3D DEVELOPMENT INC. | — | 243706 | 2004-12-03 | Revoked | |
| 3D EnviroLogics L.L.C. | — | C00007695937 | 2023-05-09 | Active | Barboursville |
| 3D EnviroLogics L.L.C. | — | C00007695937 | 2002-01-25 | Active | |
| 3D HOME REPAIR AND LANDSCAPING COMPANY | — | 963361 | 1996-10-21 | Revoked | |
| 3D HOME REPAIR AND LANDSCAPING COMPANY | — | 963361 | 1996-10-21 | Revoked | |
| 3D HVAC LLC | — | L00006051602 | 2018-08-07 | Revoked | |
| 3D HVAC LLC | — | L00006051602 | 2018-08-07 | Revoked | Washington |
| 3D IMPAQ LLC | — | US-DC-LL092600307 | 2026-09-01 | Active | Washington |
| 3D Infinity DC LLC | — | L00008156859 | 2024-09-10 | Active | |
| 3D Infinity DC LLC | — | L00008156859 | 2024-09-10 | Active | Washington |
| 3D MARKETING INC. | — | 982564 | 1998-08-07 | Revoked | |
| 3D MARKETING INC. | — | 982564 | 1998-08-07 | Revoked | |
| 3D MOVERS Corp. | — | C00007771420 | 2023-08-14 | Revoked | WASHINGTON |
| 3D MOVERS Corp. | — | C00007771420 | 2023-08-14 | Revoked | |
| 3D Medical Staffing, LLC | — | C00007489268 | 2007-02-13 | Revoked | |
| 3D Medical Staffing, LLC | — | C00007489268 | 2022-08-25 | Revoked | Salt Lake City |
| 3D TECHNOLOGIES LTD. LLC | — | L17799 | 2004-02-17 | Revoked | |
| 3D TECHNOLOGIES LTD. LLC | — | L17799 | 2004-02-17 | Revoked | |
| 3D Tech LLC | — | C00007194648 | 2022-01-06 | Revoked | |
| 3D Tech LLC | — | C00007194648 | 2022-01-06 | Revoked | Indian Head |
| 3D Vision LLC | — | L00005463122 | 2016-06-20 | Active | Washington |
| 3D Vision LLC | — | L00005463122 | 2016-06-20 | Active | |
| 3D Wealth Insurance Services, LLC | — | L00005676737 | 2016-08-18 | Revoked | |
| 3D Wealth Insurance Services, LLC | — | L00005676737 | 2017-04-11 | Revoked | Locust Valley |
| 3D/INTERNATIONAL Inc. | — | 830844 | 1983-02-16 | Withdrawn | |
| 3D/INTERNATIONAL Inc. | — | 830844 | 1983-02-16 | Withdrawn | Pasadena |
| 3DCI LLC | — | L00006438849 | 2019-12-02 | Revoked | |