Balkan Siding and Windows: Suppliers and installers of vinyl and aluminum siding and windows.G and R Equipment: Authorized dealer for Bobcat Loaders and Excavators. Offers sales, service and rental of used equipment.Jennings Building Materials Online: Wholesale and Retail Lumber yard in located in Oklahoma City. Softwoods, hardwoods, plywoods, treated, shavings, animal bedding and we operate a custom mill.KP Supply Company, Inc.: Supplier of construction material and abrasives.Oklahoma Stone: Supplier of natural stone products. Building stone, flagstone and chop stone available from stock.