Global. Local. The opposite ends of the distribution spectrum. Yet one location – Sumner Corporate Park. Sumner Corporate Park is a 148-acre master planned business park conveniently located in Sumner, Washington. Strategically located near area freeways, ports and Sea-Tac International Airport, Sumner Corporate Park is your doorway to domestic and international distribution through the Pacific Northwest. Master Planned Park 148 acres Entitled for 3,000,000    square feet of new space Instuitional quality construction Professional management Pro-business community Foreign Trade Zone status