| Atlantic Capital Real Estate, Inc. | Real estate and leasing | 001699812 | 2019-09-10 | Revoked | SAUNDERSTOWN |
| Atlantic Captive Insurance Solutions, LLC | — | 001772457 | 2024-04-16 | Revoked | NEWPORT |
| Atlantic Cartage Corp. | Trucking companies | 001789342 | 2025-04-24 | Active | WOONSOCKET |
| Atlantic Cellular Company, L.P.**Atlantic Cellular Company, Limited Partnership | — | 000056957 | 1989-08-04 | Canceled | — |
| Atlantic Cellular Investments, Inc. | — | 000103241 | 1998-11-02 | Revoked | PROVIDENCE |
| Atlantic Cellular Management Company | — | 000056956 | 1989-08-04 | Revoked | PROVIDENCE |
| Atlantic Chimney, Inc. | — | 000159304 | 2006-10-19 | Revoked | RANDOLPH |
| Atlantic Chiropractic & Rehab, Inc. | — | 000154118 | 2006-02-15 | Revoked | WARWICK |
| ATLANTIC CIGAR CO. L.L.C. | — | 000095313 | 1997-06-04 | Active | NORRISTOWN |
| ATLANTIC CITY COIN & SLOT SERVICE COMPANY, INC. | — | 000155818 | 2006-05-05 | Withdrawn | PLEASANTVILLE |
| Atlantic City Coin & Slot Service Company, Inc. | — | 000771677 | 2012-01-25 | — | — |
| Atlantic City Coin & Slot Service Company, Inc. | — | 000788303 | 2012-02-29 | Revoked | PLEASANTVILLE |
| ATLANTIC CITY LINEN SUPPLY, LLC | Other services | 000889757 | 2014-01-21 | Active | ATLANTIC CITY |
| Atlantic Classic Homes LLC | Construction | 001785458 | 2025-02-08 | Active | CUMBERLAND |
| Atlantic Cleansers, Inc. | — | 000001505 | 1975-06-02 | Revoked | — |
| Atlantic Clipper, LLC | — | 000105072 | 1999-02-26 | Revoked | NEWPORT |
| ATLANTIC CLOSING & ESCROW, LLC | Real estate and leasing | 000576309 | 2011-02-02 | Active | PROVIDENCE |
| Atlantic Coast Computing LLC | — | 000143185 | 2004-10-04 | Revoked | NARRAGANSETT |
| Atlantic Coast Construction, Inc. | Construction | 000001507 | 1958-02-06 | Active | EAST GREENWICH |
| ATLANTIC COAST CREATIONS, LTD. | Manufacturing | 000001508 | 1979-12-19 | Active | CENTRAL FALLS |
| Atlantic Coast Discounts, LLC | Wholesale trade | 001763599 | 2023-09-28 | Revoked | WARWICK |
| ATLANTIC COAST DISMANTLING, LLC | Construction | 000615892 | 2011-03-24 | Active | SAUGUS |
| Atlantic Coast Dismantling, LLC **NULL AND VOID - REFUND ISSUED** | — | 000613271 | 2011-03-22 | Canceled | CHELSEA |
| ATLANTIC COAST INTERNATIONAL INC. | Wholesale trade | 001751797 | 2023-01-26 | Revoked | SHARON |
| Atlantic Coast Jet, Inc. | — | 000112468 | 2000-05-15 | Revoked | DULLES |
| Atlantic Coast Limousine, Inc. | — | 000008552 | 1987-09-11 | Revoked | — |
| Atlantic Coast LLC | Construction | 001663036 | 2016-05-05 | Revoked | NARRAGANSETT |
| ATLANTIC COAST MARINE PILOTS, INC. | — | 000034839 | 1990-04-05 | Dissolved | KINGSTOWN |
| ATLANTIC COAST MARINE PILOTS, INC.Former ID #34839. | — | 000078192 | 1985-06-17 | Withdrawn | — |
| Atlantic Coast Merchandising LLC | — | 000795781 | 2013-01-11 | Revoked | MELBOURNE |
| Atlantic Coast Mortgage, LLC | Finance and insurance | 001720275 | 2021-03-05 | Active | FAIRFAX |
| ATLANTIC COAST PACKAGING, INC. | — | 000113094 | 2000-06-20 | Revoked | — |
| Atlantic Coast Painters, LTD. | — | 000055789 | 1989-05-11 | Revoked | — |
| ATLANTIC COAST REALTY, LLC | Real estate and leasing | 000103982 | 1998-12-22 | Revoked | EAST PROVIDENCE |
| ATLANTIC COAST TITLE & CLOSING SERVICES, LLC | — | 000153638 | 2006-02-02 | Revoked | NORTH PROVIDENCE |
| Atlantic Coastal Cleaning LLC | — | 001729671 | 2021-09-20 | Dissolved | WESTERLY |
| Atlantic Coastal Property LLC | Construction | 001741249 | 2022-06-01 | Revoked | PROVIDENCE |
| ATLANTIC COASTLINE SEAFOOD, LLC | Wholesale trade | 000163830 | 2007-05-11 | Dissolved | WARWICK |
| ATLANTIC CODURI, LLC | — | 000101963 | 1998-08-07 | Revoked | PROVIDENCE |
| Atlantic Coffee & Provision, Ltd. | — | 001335618 | 2015-05-22 | Revoked | WEYMOUTH |
| ATLANTIC COLLECTION AGENCY INC. | — | 000911529 | 2014-03-17 | Revoked | EAST LYME |
| Atlantic Collection Agency, INC. | Administrative and waste services | 001692493 | 2019-01-31 | Active | EAST LYME |
| Atlantic Commercial Corporation | — | 000063786 | 1991-03-28 | Dissolved | PROVIDENCE |
| ATLANTIC COMMERCIAL, LLC | Real estate and leasing | 000129888 | 2003-02-05 | Active | WARWICK |
| Atlantic CommTech Corporation | — | 000793950 | 2012-10-19 | Revoked | NORFOLK |
| Atlantic Component Marketing, Inc. | — | 000070854 | 1992-12-29 | Dissolved | LINCOLN |
| Atlantic Compressor & Vacuum, Inc. | Other services | 001660620 | 2016-02-19 | Revoked | PLYMOUTH |
| Atlantic Computer Consultants, Incorporated | — | 000093700 | 1997-02-21 | Revoked | NORTH PROVIDENCE |
| Atlantic Computing Technology Corporation | — | 000797884 | 2013-04-02 | Revoked | WEST HARTFORD |
| Atlantic Concrete Coating LLC | Construction | 001744755 | 2022-08-12 | Revoked | NORTH STONINGTON |