Tipp City Chamber of Commerce RJ Mains & Associates, Inc. A Minimalist, Solid Black Vertical Banner. Facebook-f Instagram Linkedin-in Tiktok RJ Mains & Associates, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Finance & Insurance >> Accountants/Tax Services RJ Mains & Associates, Inc. 855 Dean CtTipp City, OH 45371 | map | directions Richard J. Mains Sr. (937) 667-2484 | fax: (937) 667-7710 Visit Site Send a message to: RJ Mains & Associates, Inc. Your Name: Your Email: Subject: Message: (Date: 5/29/2026)