Highland has three warehouse locations to better serve our customers. A 22,000 square foot warehouse located in Oak Hill, WV just off U.S. 19 on the Summerlee Rd. exit. A 14,000 square foot warehouse located in Mabscott, WV. To better serve our northern customers we opened a satellite warehouse located in Stoystown, PA. Our Warehouses are stocked with thousands of underground mining equipment parts. We carry everything from seals to custom fabrications we have you covered.