United Stationers Inc. (USI) is a wholesale distributor of business products. USI stocks a range of approximately 100,000 products, including technology products, traditional office products, office furniture, janitorial and breakroom supplies, and industrial supplies. The Company's network of 64 distribution centers allows it to ship these items to over 25,000 reseller customers. USI stocks approximately 100,000 stock keeping units (SKUs) in categories, such as Technology Products, Traditional Office Products, Janitorial and Breakroom Supplies, Office Furniture and Industrial Supplies. USI offers private brand products within each of its product categories. These include Innovera technology products, Universal office products, Windsoft paper products, UniSan janitorial and sanitation products, Alera office furniture and Anchor Brand in the welding. During the fiscal year ended December 31, 2010, it acquired MBS Dev, Inc.