ADW is a specialized sales and marketing organization that has served Costco Wholesale exclusively since 1983. We employ approximately 200 full-time Costco specialists in 11 offices worldwide, each located adjacent to Costco’s corporate and regional offices. Our mission is to source, develop, and sell products and services that will provide the Costco member the greatest quality and value available. We have the experience and expertise you need to build successful supplier relationships with the Costco buying teams. We invite existing and prospective vendors to contact us in order to fully understand the depth of sales and services available to help you maximize your business opportunities with Costco.