Accessibility StatementSkip Navigation ROLLING MEADOWS, Ill., Nov. 3, 2025 /PRNewswire/ -- Arthur J. Gallagher & Co. today announced the acquisition of Batavia, New York-based Tompkins Insurance Agencies, Inc., a wholly-owned subsidiary of Tompkins Financial Corporation (NYSE: TMP). Tompkins Insurance Agencies offers a full suite of property/casualty insurance products and employee benefits services to clients throughout New York and Pennsylvania. David Boyce, president of Tompkins Insurance Agencies, and h ...