| Barrington Emergency Center, LLC | — | 000081988 | 1994-11-28 | Revoked | PAWTUCKET |
| Barrington Enterprises, LLC | Arts and entertainment | 000110276 | 1999-12-30 | Dissolved | BRISTOL |
| Barrington Environmental Establishment | Other services | 001749411 | 2022-12-30 | Active | BARRINGTON |
| Barrington Epoxy, LLC | — | 001807800 | 2026-04-19 | Active | BARRINGTON |
| Barrington Equity Collaborative | Other services | 001721712 | 2021-04-03 | Dissolved | BARRINGTON |
| Barrington Equity Corporation | — | 000067721 | 1992-04-13 | Revoked | LINCOLN |
| Barrington Excavating, LLC | Construction | 001672221 | 2017-03-27 | Active | BARRINGTON |
| Barrington Excavating, LLC | — | 001671869 | 2017-03-16 | | |
| Barrington Eye Center, Inc. | — | 000132058 | 2003-05-16 | Revoked | BARRINGTON |
| Barrington Facial Esthetics LLC | Health care and social assistance | 001749338 | 2022-12-03 | Revoked | BARRINGTON |
| Barrington Family Dental, Professional Corporation | Health care and social assistance | 000126043 | 2002-07-22 | Dissolved | BARRINGTON |
| Barrington Family Medicine, LLC | Health care and social assistance | 000163352 | 2007-04-20 | Dissolved | BARRINGTON |
| Barrington Farm School | Educational services | 001672260 | 2017-03-27 | Active | BARRINGTON |
| Barrington Girls' Lacrosse, Inc. | — | 000312974 | 2008-03-05 | Revoked | BARRINGTON |
| Barrington Gridiron Club, Inc. | — | 000068856 | 1992-06-30 | Revoked | BARRINGTON |
| Barrington Hardware, Inc. | — | 000114627 | 2000-09-27 | Dissolved | BARRINGTON |
| Barrington High School Boys Hockey, Inc. | Health care and social assistance | 001687647 | 2018-08-24 | Active | BARRINGTON |
| Barrington High School Class of 1970 ReunionCommittee | — | 000058359 | 1989-11-27 | Revoked | |
| Barrington High School Class of 1979 25th Reunion, Inc. | — | 000140273 | 2004-05-19 | Revoked | |
| Barrington High School Parents Association, Inc. | Educational services | 001335430 | 2015-05-20 | Revoked | BARRINGTON |
| Barrington Historical Society Trust, LLC | Real estate and leasing | 001684094 | 2018-05-04 | Revoked | BRISTOL |
| Barrington Homes, Inc. | — | 001661494 | 1949-11-17 | Merged | |
| Barrington Innovation Group, LLC | — | 000545326 | 2010-08-02 | Revoked | BARRINGTON |
| Barrington Kitchen and Design, Inc. | — | 000124444 | 2002-04-29 | Revoked | ROTONDO WEST |
| Barrington Landscaping & Contractor Services LLC | — | 001756540 | 2023-04-26 | Revoked | BARRINGTON |
| Barrington Lawns and Maintenance, LLC | — | 000941603 | 2014-05-27 | Revoked | BARRINGTON |
| Barrington Lions Charities | — | 001696556 | 2019-05-31 | Revoked | |
| Barrington Little League | Arts and entertainment | 000073084 | 1993-05-04 | Active | BARRINGTON |
| Barrington Manufacturing Inc. | Wholesale trade | 000068945 | 1992-07-10 | Active | WARREN |
| Barrington Martial Arts LLC | Educational services | 001735145 | 2022-01-26 | Active | BARRINGTON |
| Barrington Middle School Parent Teacher Organization | Other services | 000135299 | 2003-10-09 | Active | BARRINGTON |
| Barrington Paint Shop, Inc. | — | 000088916 | 1996-04-01 | Revoked | BARRINGTON |
| Barrington Parents for Music Education | — | 000082533 | 1994-12-30 | Revoked | BARRINGTON |
| Barrington Parents of Note | Health care and social assistance | 001704707 | 2020-02-12 | Active | BARRINGTON |
| Barrington Partnership for Animal Welfare | Other services | 000203968 | 2007-08-31 | Revoked | BARRINGTON |
| Barrington Paw Park | — | 000148603 | 2005-06-13 | Revoked | BARRINGTON |
| Barrington Pediatric Associates, Inc. | Health care and social assistance | 000002005 | 1977-12-30 | Active | BARRINGTON |
| Barrington Pilates, Inc. | Arts and entertainment | 000486524 | 2008-10-08 | Active | WARREN |
| Barrington Plumbing & Heating Co. | — | 000002006 | 1947-03-27 | Dissolved | |
| Barrington Pop Warner, Inc. | Other services | 000027072 | 1970-05-13 | Active | BARRINGTON |
| Barrington Promotions Inc. | — | 001060011 | 2015-02-09 | Active | WARWICK |
| Barrington Properties, LLC | Real estate and leasing | 001707914 | 2020-05-18 | Active | EAST PROVIDENCE |
| Barrington Property Group, LLC | — | 001813815 | 2026-08-04 | Active | WARREN |
| Barrington RI Lions Club | Other services | 001696528 | 2019-05-30 | Active | BARRINGTON |
| Barrington Radio & Electric, Inc. | — | 000036986 | 1986-01-02 | Active | BARRINGTON |
| Barrington Realty Associates, L.P. | — | 000050045 | 1987-05-14 | Expired | |
| Barrington Restoration Foundation, LLC | — | 000146841 | 2005-03-28 | Revoked | WARREN |
| Barrington Retreats, LLC | Real estate and leasing | 001778074 | 2024-08-22 | Active | BARRINGTON |
| Barrington Senior Citizens, Inc. | — | 000031539 | 1976-07-01 | Revoked | |
| Barrington Service Station Co. | — | 000002008 | 1968-04-17 | Revoked | |