Crazy Woman Creek Bancorp Incorporated operates as the holding company for Buffalo Federal Bank that provides a range of banking products and services to individuals, families, and businesses in Central Wyoming. It offers checking accounts, money market accounts, and student accounts; savings accounts, including individual retirement and time deposit accounts; demand deposits and overdraft deposit accounts; and debit and credit cards. The company also offers personal, commercial, business, home mortgage, and working capital loans, as well as loans for term, equipment financing, SBA lending, and construction financing. In addition, it provides real estate lending, including loans secured by one-to-four family residential real estate, multi-family, commercial real estate, and home equity loans. Further, the company offers online and mobile banking services. It serves customers through its branch offices under the name of 'The Bank' in Buffalo, Gillette, and Sheridan, Wyoming. The company was founded in 1936 and is headquartered in Buffalo, Wyoming.