MainSource Financial wants to be the main source of financial services for residents and businesses in Indiana and beyond. It is the holding company of MainSource Bank, which operates about 80 branches in the Hoosier State, as well as neighboring portions of Ohio, Illinois, and Kentucky. The bank offers standard deposit and lending products in addition to trust and insurance services. The company also operates about a dozen insurance offices in Indiana and one in Illinois. Real estate loans account for some 85% of MainSource Financial's lending portfolio, which also includes other commercial and consumer loans.