| 21ST CENTURY ELECTRONICS INC. | — | 692035 | 1969-08-29 | Withdrawn | |
| 21ST CENTURY ELECTRONICS INC. | — | 692035 | 1969-08-29 | Withdrawn | |
| 21ST CENTURY ENERGY PROJECT | — | 212481 | 2001-07-27 | Dissolved | |
| 21ST CENTURY ENERGY PROJECT | — | 212481 | 2001-07-27 | Dissolved | |
| 21ST CENTURY FLOORING, LLC | — | L00004177513 | 2011-12-05 | Active | |
| 21ST CENTURY FLOORING, LLC | — | L00004177513 | 2012-01-31 | Active | Northlake |
| 21ST CENTURY FOUNDATION (THE) | — | 872340 | 1987-05-28 | Revoked | |
| 21ST CENTURY FOUNDATION (THE) | — | 872340 | 1987-05-28 | Revoked | |
| 21ST CENTURY FUNDING AND VENTURES L.L.C. | — | L00005491073 | 2016-08-10 | Revoked | Washington |
| 21ST CENTURY FUNDING AND VENTURES L.L.C. | — | L00005491073 | 2016-08-10 | Revoked | |
| 21ST CENTURY FUNDING AND VENTURES LLC | — | L05801 | 2000-04-26 | Revoked | |
| 21ST CENTURY FUNDING AND VENTURES LLC | — | L05801 | 2000-04-26 | Revoked | none |
| 21ST CENTURY INSTITUTE EDUCATIONAL FUND INC. | — | 854721 | 1985-12-30 | Revoked | |
| 21ST CENTURY INSTITUTE EDUCATIONAL FUND INC. | — | 854721 | 1985-12-30 | Revoked | |
| 21ST CENTURY INSTITUTE FOR POLITICAL ACTION | — | 834887 | 1983-11-30 | Revoked | |
| 21ST CENTURY INSTITUTE FOR POLITICAL ACTION | — | 834887 | 1983-11-30 | Revoked | |
| 21ST CENTURY INSURANCE AND FINANCIAL SERVICES INC | — | 851368 | 1985-04-16 | Withdrawn | |
| 21ST CENTURY INSURANCE AND FINANCIAL SERVICES INC | — | 851368 | 1985-04-16 | Withdrawn | Woodland Hills |
| 21ST CENTURY LEARNING CENTERS, PLUS, INC., THE | — | 711952 | 1971-08-23 | Revoked | |
| 21ST CENTURY LEARNING CENTERS, PLUS, INC., THE | — | 711952 | 1971-08-23 | Revoked | |
| 21ST CENTURY LEARNING INITIATIVE (THE) | — | 960802 | 1996-03-12 | Dissolved | |
| 21ST CENTURY LEARNING INITIATIVE (THE) | — | 960802 | 1996-03-12 | Dissolved | |
| 21ST CENTURY LEARNING LLC | — | L22400 | 2005-03-01 | Canceled | |
| 21ST CENTURY LEARNING LLC | — | L22400 | 2005-03-01 | Canceled | |
| 21ST CENTURY MARKETING INTERNATIONAL (USA) LTD. | — | 990223 | 1999-01-22 | Revoked | |
| 21ST CENTURY MARKETING INTERNATIONAL (USA) LTD. | — | 990223 | 1999-01-22 | Revoked | |
| 21ST CENTURY MUSIC SOLUTIONS LLC | — | L0000056876 | 2011-11-30 | Withdrawn | Wyoming |
| 21ST CENTURY MUSIC SOLUTIONS LLC | — | L0000056876 | 2008-08-11 | Withdrawn | |
| 21ST CENTURY POWER SOLUTIONS LLC | — | L44033 | 2009-05-28 | Revoked | |
| 21ST CENTURY POWER SOLUTIONS LLC | — | L44033 | 2009-05-28 | Revoked | Eldersburg |
| 21ST CENTURY PUBLIC CHARTER SCHOOL | — | 298572 | 2010-07-09 | Revoked | |
| 21ST CENTURY PUBLIC CHARTER SCHOOL | — | 298572 | 2010-07-09 | Revoked | |
| 21ST CENTURY SALES, LLC | — | L00004178596 | 2012-01-26 | Revoked | |
| 21ST CENTURY SALES, LLC | — | L00004178596 | 2012-01-31 | Revoked | NORTHLAKE |
| 21ST CENTURY SALES, LLC | — | L00004181779 | 2012-01-31 | Active | NORTHLAKE |
| 21ST CENTURY SALES, LLC | — | L00004181779 | 2012-01-26 | Active | |
| 21ST CENTURY SCHOOL FUND | — | 990115 | 1999-01-13 | Active | |
| 21ST CENTURY SCHOOL FUND | — | 990115 | 1999-01-13 | Active | Washington |
| 21ST CENTURY STRATEGIC PLANNING AND MARKETING ASSOCIATES INC. | — | 834565 | 1983-11-04 | Revoked | |
| 21ST CENTURY STRATEGIC PLANNING AND MARKETING ASSOCIATES INC. | — | 834565 | 1983-11-04 | Revoked | |
| 21ST CENTURY TRANSFORMATION PIONEERS | — | 251952 | 2005-06-17 | Dissolved | |
| 21ST CENTURY TRANSFORMATION PIONEERS | — | 251952 | 2005-06-17 | Dissolved | |
| 21ST CENTURY TRANSPORTATION SERVICES CO. INC. | — | 790712 | 1979-02-28 | Revoked | |
| 21ST CENTURY TRANSPORTATION SERVICES CO. INC. | — | 790712 | 1979-02-28 | Revoked | |
| 21ST CONDOS LLC | — | L00006458680 | 2019-12-17 | Revoked | |
| 21ST CONDOS LLC | — | L00006458680 | 2019-12-17 | Revoked | BETHESDA |
| 21ST ESSENTIALS LLC | — | L00007879084 | 2024-01-12 | Active | |
| 21ST ESSENTIALS LLC | — | L00007879084 | 2024-01-12 | Active | WASHINGTON |
| 21ST INTERNATIONAL CONGRESS OF REFRIGERATION, INC. (THE) | — | 214208 | 2001-12-26 | Revoked | |
| 21ST INTERNATIONAL CONGRESS OF REFRIGERATION, INC. (THE) | — | 214208 | 2001-12-26 | Revoked | |
| 21ST MORTGAGE Corporation | — | C00005776986 | 1995-08-15 | Active | |
| 21ST MORTGAGE Corporation | — | C00005776986 | 2017-09-07 | Active | Knoxville |
| 21ST NEWPORT, LLP | — | P08943 | 1974-09-15 | Dissolved | Washington |
| 21ST NEWPORT, LLP | — | P08943 | 1974-09-15 | Dissolved | |
| 21ST PLACE HEIGHTS CONDOMINIUM ASSOCIATION INC | — | 270242 | 2007-01-24 | Active | Washington |
| 21ST PLACE HEIGHTS CONDOMINIUM ASSOCIATION INC | — | 270242 | 2007-01-24 | Revoked | |
| 21ST SOLUTIONS LLC | — | L20597 | 2004-09-29 | Revoked | |
| 21ST SOLUTIONS LLC | — | L20597 | 2004-09-29 | Revoked | |
| 21ST STREET LIMITED PARTNERSHIP | — | P00102 | 1986-11-05 | Revoked | |
| 21ST STREET LIMITED PARTNERSHIP | — | P00102 | 1986-11-05 | Revoked | LEGACY NO DATA |
| 21ST STREET LIMITED PARTNERSHIP OF VIRGINIA (THE) | — | 003392 | 1992-03-23 | Revoked | LEGACY NO DATA |
| 21ST STREET LIMITED PARTNERSHIP OF VIRGINIA (THE) | — | 003392 | 1992-03-23 | Revoked | |
| 21ST STREET MANAGEMENT LLC | — | L53017 | 2010-11-15 | Revoked | |
| 21ST STREET MANAGEMENT LLC | — | L53017 | 2010-11-15 | Revoked | |
| 21ST STREET NE LLC | — | L00004813297 | 2013-09-20 | Revoked | |
| 21ST STREET NE LLC | — | L00004813297 | 2013-09-20 | Revoked | CATLOTT |
| 21ST STREET REAL ESTATE HOLDINGS LLC | — | L39188 | 2008-06-19 | Revoked | |
| 21ST STREET REAL ESTATE HOLDINGS LLC | — | L39188 | 2008-06-19 | Revoked | Washington |
| 21ST. CENTURY TECHNOLOGY INC. | — | 930292 | 1993-01-29 | Revoked | |
| 21ST. CENTURY TECHNOLOGY INC. | — | 930292 | 1993-01-29 | Revoked | |
| 21st CENTURY POLICY INSTITUTE | — | N00007532954 | 2022-12-30 | Active | |
| 21st CENTURY POLICY INSTITUTE | — | N00007532954 | 2022-12-30 | Active | WASHINGTON |
| 21st Century Coal Institute | — | N00005352449 | 2016-02-19 | Revoked | Washington |
| 21st Century Coal Institute | — | N00005352449 | 2016-02-01 | Revoked | |
| 21st Century LEAP Professional Corporation | — | C00005329953 | 2016-01-29 | Revoked | Washington, DC |
| 21st Century LEAP Professional Corporation | — | C00005329953 | 2016-01-29 | Revoked | |
| 21st Century Perspectives L.L.C. | — | L00005981751 | 2018-05-02 | Dissolved | Washington |
| 21st Century Perspectives L.L.C. | — | L00005981751 | 2018-05-02 | Dissolved | |
| 21st Century Schools Action Fund | — | N00007033071 | 2021-06-23 | Active | |
| 21st Century Schools Action Fund | — | N00007033071 | 2021-06-17 | Active | Falls Church |
| 21st Century Security, LLC | — | C00007468410 | 2022-09-22 | Revoked | Baltimore |
| 21st Century Security, LLC | — | C00007468410 | 2017-10-22 | Revoked | |
| 21st Newport, LLP | — | P00005746889 | 2017-04-06 | Active | |
| 21st Newport, LLP | — | P00005746889 | 2017-04-06 | Active | Rockville |
| 21st PL Funding LLC | — | L00006879461 | 2021-02-26 | Revoked | Vienna |
| 21st PL Funding LLC | — | L00006879461 | 2021-02-26 | Active | |
| 21st Pl Partners LLC | — | US-DC-FN022601446 | 2026-02-24 | Active | Maclean |
| 22 ATLANTIC COOPERATIVE ASSOCIATION | — | 272954 | 2007-10-12 | Revoked | Washington |
| 22 ATLANTIC COOPERATIVE ASSOCIATION Cooperative Association | — | 272954 | 2007-10-12 | Revoked | |
| 22 ATLANTIC STREET TENANTS ASSOCIATION, INC. (THE) | — | 262927 | 2006-09-28 | Revoked | |
| 22 ATLANTIC STREET TENANTS ASSOCIATION, INC. (THE) | — | 262927 | 2006-09-28 | Revoked | |
| 22 Bryant St NW Condo Association | — | N00006386895 | 2019-09-11 | Active | |
| 22 Bryant St NW Condo Association | — | N00006386895 | 2019-09-11 | Active | Washington |
| 22 Bryant St NW L.L.C. | — | L00005679731 | 2017-04-13 | Dissolved | Washington |
| 22 Bryant St NW L.L.C. | — | L00005679731 | 2017-04-13 | Dissolved | |
| 22 Degrees, Inc. | — | C00007732283 | 2016-05-20 | Active | |
| 22 Degrees, Inc. | — | C00007732283 | 2023-06-23 | Active | Los Angeles |
| 22 FLORIDA AVENUE, N.W., LIMITED PARTNERSHIP | — | 014592 | 1992-11-30 | Active | |
| 22 FLORIDA AVENUE, N.W., LIMITED PARTNERSHIP | — | 014592 | 1992-11-30 | Active | Bethesda |
| 22 FUNDING LLC | — | L21562 | 2004-12-21 | Revoked | |
| 22 FUNDING LLC | — | L21562 | 2004-12-21 | Revoked | |
| 22 GALLATIN, LLC | — | L00005430326 | 2016-04-29 | Revoked | |
| 22 GALLATIN, LLC | — | L00005430326 | 2016-04-29 | Revoked | WASHINGTON |
| 22 INNOVATIONS, LLC | — | L00006288741 | 2019-04-30 | Revoked | |
| 22 INNOVATIONS, LLC | — | L00006288741 | 2019-04-30 | Revoked | WASHINGTON |
| 22 KENNEDY, LLC | — | L00004822483 | 2013-08-13 | Withdrawn | |
| 22 KENNEDY, LLC | — | L00004822483 | 2013-10-15 | Withdrawn | WASHINGTON |
| 22 Karathona, LLC | — | L00005398239 | 2016-03-30 | Revoked | |
| 22 Karathona, LLC | — | L00005398239 | 2016-03-30 | Revoked | Washington |
| 22 LOCOMOTIVES LLC | — | L31354 | 2006-12-18 | Revoked | |
| 22 LOCOMOTIVES LLC | — | L31354 | 2006-12-18 | Revoked | |
| 22 M STREET NOMA LLC | — | L0000057282 | 2011-12-21 | Withdrawn | WASHINGTON |
| 22 M STREET NOMA LLC | — | L0000057282 | 2011-12-13 | Withdrawn | |
| 22 Management Company LLC | — | L00007209018 | 2022-01-24 | Dissolved | |
| 22 Management Company LLC | — | L00007209018 | 2022-01-24 | Dissolved | Washington |
| 22 Narragansett Ave. LLC | — | L00007015893 | 2021-05-27 | Dissolved | |
| 22 Narragansett Ave. LLC | — | L00007015893 | 2021-05-27 | Dissolved | Washington |
| 22 P STREET, LLC | — | L36050 | 2007-11-08 | Revoked | |
| 22 P STREET, LLC | — | L36050 | 2007-11-08 | Revoked | WASHINGTON |
| 22 P Street Acquisition LLC | — | L00005320963 | 2016-01-05 | Active | |
| 22 P Street Acquisition LLC | — | L00005320963 | 2016-01-12 | Active | Miami |
| 22 Q ST LLC | — | C00007729676 | 2023-06-22 | Active | CHANTILLY |
| 22 Q ST LLC | — | C00007729676 | 2023-06-22 | Active | |
| 22 Q St NW L.L.C. | — | L00005559490 | 2017-01-04 | Revoked | |
| 22 Q St NW L.L.C. | — | L00005559490 | 2017-01-04 | Revoked | Washington |
| 22 Rhode Island Ave NW Condominiums HOA LLC | — | L00007813918 | 2023-10-02 | Active | Washington |
| 22 Rhode Island Ave NW Condominiums HOA LLC | — | L00007813918 | 2023-10-05 | Active | |
| 22 SOUTH HOWARD STREET LLC | — | L15757 | 2003-07-31 | Revoked | |
| 22 SOUTH HOWARD STREET LLC | — | L15757 | 2003-07-31 | Revoked | |
| 22 T ST. DEVELOPMENT LLC | — | L0000056217 | 2011-10-26 | Revoked | ASHBURN |
| 22 T ST. DEVELOPMENT LLC | — | L0000056217 | 2011-05-04 | Revoked | |
| 22-24 ASSOCIATES L.L.C. | — | L17006 | 2003-12-09 | Revoked | |
| 22-24 ASSOCIATES L.L.C. | — | L17006 | 2003-12-09 | Revoked | |
| 22-24 Wisc LLC | — | L00006026361 | 2018-07-03 | Active | |
| 22-24 Wisc LLC | — | L00006026361 | 2018-07-03 | Active | Bethesda |
| 22-M CORP. | — | 974167 | 1997-12-23 | Revoked | |
| 22-M CORP. | — | 974167 | 1997-12-23 | Revoked | |
| 220 11th DCBS LLC | — | L00006682684 | 2020-07-10 | Revoked | Washington |
| 220 11th DCBS LLC | — | L00006682684 | 2020-07-16 | Revoked | |
| 220 12TH PL, LLC | — | L00005751793 | 2017-07-28 | Active | Washington |
| 220 12TH PL, LLC | — | L00005751793 | 2017-07-28 | Active | |
| 220 14th Street LLC | — | L00006761912 | 2025-05-01 | Active | |
| 220 14th Street LLC | — | L00006761912 | 2025-05-01 | Active | Washington |
| 220 36TH STREET N.E. BENEFICIARY LLC | — | L21699 | 2005-01-06 | Revoked | |
| 220 36TH STREET N.E. BENEFICIARY LLC | — | L21699 | 2005-01-06 | Revoked | |
| 220 36TH STREET N.E. TRUSTEE LLC | — | L21700 | 2005-01-06 | Revoked | |
| 220 36TH STREET N.E. TRUSTEE LLC | — | L21700 | 2005-01-06 | Revoked | |
| 220 Allison Tenants' Association | — | US-DC-NP012600353 | 2026-01-07 | Active | Washington |
| 220 Hamilton Street LLC | — | L00005544038 | 2016-11-29 | Active | District of Columbia |
| 220 Hamilton Street LLC | — | L00005544038 | 2016-11-29 | Active | |
| 220 I STREET N.E. ASSOC LTD. | — | P05650 | 1979-04-24 | Revoked | |
| 220 I STREET N.E. ASSOC LTD. | — | P05650 | 1979-04-24 | Revoked | |
| 220 I STREET N.E. LLC | — | L03915 | 1999-06-04 | Dissolved | Washington |
| 220 I STREET N.E. LLC | — | L03915 | 1999-06-04 | Dissolved | |
| 220 L STREET NE LLC | — | L15071 | 2003-05-30 | Revoked | |
| 220 L STREET NE LLC | — | L15071 | 2003-05-30 | Revoked | |
| 220 LLC | — | US-DC-LL062600452 | 2026-06-08 | Active | Washington |
| 220 MD LLC | — | L00007164661 | 2021-11-17 | Revoked | BETHESDA |
| 220 MD LLC | — | L00007164661 | 2021-11-17 | Active | |
| 220 MOTORCYCLE CLUB, WASHINGTON, D.C. LLC | — | L31091 | 2006-12-01 | Revoked | |
| 220 MOTORCYCLE CLUB, WASHINGTON, D.C. LLC | — | L31091 | 2006-12-01 | Revoked | |
| 220 Maryland Ave LLC | — | L00005498783 | 2016-08-25 | Revoked | |
| 220 Maryland Ave LLC | — | L00005498783 | 2016-08-22 | Revoked | Washington |
| 220 N STREET, N.W. INC. | — | 800941 | 1980-02-28 | Withdrawn | |
| 220 N STREET, N.W. INC. | — | 800941 | 1980-02-28 | Withdrawn | |
| 220 P STREET L.L.C. | — | L00004933224 | 2014-04-02 | Active | Fairfax Station |
| 220 P STREET L.L.C. | — | L00004933224 | 2014-04-02 | Active | |
| 220 Randolph Pl KNS LLC | — | L00005022756 | 2014-08-25 | Revoked | Rockville |
| 220 Randolph Pl KNS LLC | — | L00005022756 | 2014-08-25 | Revoked | |
| 220 Riggs Investment LLC | — | L00007336231 | 2022-04-07 | Active | |
| 220 Riggs Investment LLC | — | L00007336231 | 2022-04-07 | Active | Washington |
| 220 T STREET LLC | — | L00005383748 | 2016-03-23 | Revoked | WASHINGTON |
| 220 T STREET LLC | — | L00005383748 | 2016-03-23 | Revoked | |
| 2200 14th Street Inc. | — | C00005220787 | 2015-03-19 | Revoked | |
| 2200 14th Street Inc. | — | C00005220787 | 2015-06-25 | Revoked | Riverdale |
| 2200 19TH STREET, NW 2006 TENANT ASSOCIATION INC. | — | 260436 | 2006-02-09 | Revoked | |
| 2200 19TH STREET, NW 2006 TENANT ASSOCIATION INC. | — | 260436 | 2006-02-09 | Revoked | |
| 2200 40TH STREET, N.W. PARTNERSHIP (GENERAL) | — | P07468 | 1978-09-26 | Revoked | |
| 2200 40TH STREET, N.W. PARTNERSHIP (GENERAL) | — | P07468 | 1978-09-26 | Revoked | LEGACY NO DATA |
| 2200 40th Pl Holdings L.L.C. | — | L00008351465 | 2025-03-26 | Active | |
| 2200 40th Pl Holdings L.L.C. | — | L00008351465 | 2025-03-26 | Active | Washington |
| 2200 40th St Holdings L.L.C. | — | L00008343281 | 2025-03-24 | Dissolved | |
| 2200 40th St Holdings L.L.C. | — | L00008343281 | 2025-03-24 | Dissolved | washington |
| 2200 C STREET LLC | — | L30948 | 2006-11-21 | Active | |
| 2200 C STREET LLC | — | L30948 | 2006-11-21 | Active | Washington |
| 2200 C STREET MANAGING MEMBER LLC | — | L30949 | 2006-11-21 | Revoked | |
| 2200 C STREET MANAGING MEMBER LLC | — | L30949 | 2006-11-21 | Revoked | Washington |
| 2200 M STREET LAND Inc. | — | 961744 | 1996-05-29 | Revoked | |
| 2200 M STREET LAND Inc. | — | 961744 | 1996-05-29 | Revoked | |
| 2200 M STREET LEASING LLC | — | L06394 | 2000-07-25 | Revoked | |
| 2200 M STREET LEASING LLC | — | L06394 | 2000-07-25 | Revoked | |
| 2200 M STREET LLC | — | L01929 | 1997-10-31 | Withdrawn | |
| 2200 M STREET LLC | — | L01929 | 1997-10-31 | Withdrawn | New York |
| 2200 M STREET WASHINGTON D.C. HOTEL PROPERTY L.P. | — | 013099 | 1994-11-29 | Revoked | LEGACY NO DATA |
| 2200 M STREET WASHINGTON D.C. HOTEL PROPERTY L.P. | — | 013099 | 1994-11-29 | Revoked | |
| 2200 P Street LLC | — | L00005765072 | 2017-08-21 | Revoked | |
| 2200 P Street LLC | — | L00005765072 | 2017-08-21 | Revoked | Potomac |
| 2200 Railroad LLC | — | L00007035564 | 2021-06-26 | Dissolved | Camp Springs |
| 2200 Railroad LLC | — | L00007035564 | 2021-06-26 | Dissolved | |
| 2200 SOUTH DAKOTA AVE., LLC | — | L11233 | 2002-04-24 | Active | |