WD Valve Boxes specializes in the manufacturing of a wide range of products for the waterworks industry. Valve boxes, service boxes, municipal castings, curb inlet covers, pipe restraint devices, lifter rings, and hydrant markers and wrenches are just a very few of the products we manufacture. We use cast and ductile iron castings. stainless steel, and polyurethane when soil conditions dictate. In short, you can count on us to do whatever it takes to make the perfect product to meet your needs.