Kessler & Ballenger Co., L.P.A. Kessler & Ballenger Co., L.P.A. - Columbus Law Firm | Ohio Estate Planning, Taxation and Probate Law Firm | Kessler & Ballenger Co., L.P.A. The law firm of Kessler & Ballenger Co., L.P.A. handles estate planning, taxation and probate matters throughout Columbus, Ohio and the surrounding areas. Call us at 614-888-3185.