Port of Wilmington Cold Storage Warehouse Wilmington, Delaware Owner: Port of Wilmington Sq. Ft.: 170,000 Refrigerated Warehouse Divided into eight seperate cold chambers for use of importation of paper, perishable fruit, meat, frozen food and a variety of other products. Systems include humidity control, heating, refrigeration and fumigation, and two rooms are controlled atmosphere for storage of apples and other fruits using a filtration system to replace oxygen and ethylene with nitrogen putting the fruit to sleep for several months by halting the ripening process.