In 1985, Worldwide Oilfield Machine built and successfully tested the first Magnum gate valve featuring the patented Dual-Seal seat assembly. The company s development of the Magnum gate valve has evolved into the creation of a complete range of pressure-control products for drilling, completion, testing, and production for onshore, offshore, and sub-sea applications. Worldwide Oilfield Machine s products include API 6A gate valves and actuators, well test systems for drilling, wellheads and christmas tree systems, API 6D products, custom designs and manufacturing, manifold systems for drilling, blowout preventors, control and safety systems, magnum pump savers and gate valve replacement parts. The company is ISO 9001:2000 certified and its products meet standards established by NACE, ASTM, ASME, ABS, DNV, and QMI. Worldwide Oilfield Machine is headquartered in Houston and has branch offices in Lafayette, La., and Scott, La., Brazil, Venezuela, Scotland, France, Norway, India, Egypt, Nigeria, Indonesia, the United Arab Emeritus, Australia and New Zealand.