Top Shelf is a supply company focused on pressure control equipment and accessories. Studs and nuts, ring gaskets, seals, valve parts, lay flat hose, and other items to facilitate rig up (and repair) of the pressure control equipment. All equipment that falls under an API specification are monogrammed to meet API requirements. Additionally Top Shelf offers services to recertify flow iron and closing units along with repair of swivel joints, plug valves, and check valves.

Crown is focused on making new parts for valves, fluid ends, and other associated parts for pressure control applications. In addition, there is a computerized laser cladding welder and a stress relief furnace so the complete repair cycle can be accomplished in our facility reducing turnaround time on repairs. Crown also does fabrication of skids, flow iron baskets, work tables and repair of these items.