# Business Cornerstone, Inc. Business Cornerstone, Inc. is an ITIN acceptance agent in Providence, Rhode Island, United States. ## Details - Address: 14 Mink Road, Providence, Rhode Island, 02908, United States - Phone: [401-808-7706]() - Source note: IRS Acceptance Agent Program list for Rhode Island (page last reviewed 24-Jul-2026; retrieved 2026-10-02). US federal public domain (17 U.S.C. 105). ## Questions ### Where is Business Cornerstone, Inc.? Business Cornerstone, Inc. is at 14 Mink Road, Providence, Rhode Island, 02908, United States. ### How do I contact Business Cornerstone, Inc.? To contact Business Cornerstone, Inc., call 401-808-7706. ## Source From [U.S. Internal Revenue Service](https://www.irs.gov/individuals/international-taxpayers/acceptance-agents-rhode-island), license Public domain (17 U.S.C. 105; irs.gov content use terms request credit), checked 2026-10-03. Last updated October 3, 2026. ## Links - This ITIN acceptance agent on the [web page]() - [Certifying acceptance agents in Providence]() - [IRS acceptance agents in Providence]() - [More ITIN acceptance agents in Providence]()