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 North-Central Wyoming. The company offers checking accounts, money market accounts, and student checking accounts; business banking; savings accounts, such as individual retirement and time deposit accounts; reorder checks; certificates of deposit accounts; and debit and credit cards. It also provides personal, consumer, commercial, real estate, business, and working capital loans, as well as loans for term, equipment financing, SBA lending, and construction financing. In addition, the company provides real estate lending, including loans secured by one-to-four family residential real estate, multi-family, commercial real estate, home mortgage, 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.