Chemical Bank is the third largest bank headquartered in Michigan. At Chemical Bank, our customer service is enhanced by our local decision-making. We staff our 143 Chemical Bank offices and our Customer Support Center with experienced professionals who are ready to meet your needs. Chemical Financial Corporation is a diversified financial services company which operates through one state-chartered traditional bank subsidiary, Chemical Bank. Chemical Bank operates through an internal organizational structure of four regional banking units, offering a full range of traditional banking and fiduciary products and services to the residents and business customers in the bank's geographical market areas. Chemical serves a broad customer base through 156 banking offices across 38 counties in the lower peninsula of Michigan.