Just-in-time inventory... ...for budget-minded operations. HESCO is an operating supplies procurement and provision cooperative conducting business principally in the southeastern United States. Our administrative office and warehouse facility in Waverly is strategically located in the heart of central Florida. We provide just-in-time inventory and supply chain optimization. As a supply cooperative it is our job to identify critical operating supply requirements of our Registered Buyers, negotiate favorable purchasing arrangements, and then receive, store and redistribute those supplies on a just-in-time basis, reducing delivery lead times, prices and storage costs/space for operating inventory.