Gaffaney's Total Office Source of Williston, ND. Is your premiere source for Office Supplies, Office Furniture, Computer Sales & Service, Copier Sales & Service, Networking Solutions in Western North Dakota and Eastern Montana. Gaffaney’s Total Office Source was created with the idea of giving our customers a single source solution for all of their business supply needs. Whether you need office supplies, janitorial and break room supplies, office furniture, computer equipment, copiers or a whole new IT infrastructure, Gaffaney’s is here to help your business succeed. Serving customers in Western North Dakota and Eastern Montana since 1943, Gaffaney’s is the leading supplier of office products and services in the area. Gaffaney’s has a highly trained team of associates with over 100 years of combined experience in office supplies, furniture and technology, dedicated to keeping your business fully equipped and running smoothly.