SMI Manufacturing is a contract manufacturer that serves the energy sector. It offers a range of CNC machining centers, subassembly capability and a complete metal fabrication center. The company provides engineering, fabrication, manufacturing and construction services on projects from design to final production. It has CNC machining capability with experience in the manufacture of pressure control products, from surface wellheads to sub-sea components. The company can provide turnkey solutions, including design, engineering, fabrication and assembly and testing at its facilities. SMI Manufacturing acquired Superior Wellhead in 1998, as a high production shop for surface wellhead products, and PK Manufacturing in 2002 for metal fabrication and welding capacities. The company has headquarters and three fabrication facilities in Houston.