Oil and gas well power tools and equipment, namely perforating guns; Power operated pumps and pump equipment for use in oil field equipment and service; namely, triplex mud pumps, duplex mud pumps, rod pumps, hydraulic reciprocating pumps, hydraulic jet pumps, sucker rods, well service pumps and plunger pumps; Oil well drilling machinery and parts therefore, namely, draw works, torque converters, rotaries, swivels, traveling blocks, hook blocks, crown blocks, drill pipe, tubulars, pedestal cranes, jacking and drilling manifolds; Power operated oil wellhead and well completion equipment; namely, wellheads, slips, casing hangers, tubing hangers, completion risers, drilling risers, production trees, through-bore trees, production manifolds and injection manifolds; Valves for use with oil field drilling and production machinery, namely, gate valves, block valves, safety valves, pneumatic actuated valves and hydraulic actuated valves all made of steel and used in oil wellhead completion equipment; and Valves for use with oil field drilling and production machinery; namely, bail valves, check valves, throttle valves and diverter valves all made of steel and used in oil well fluid control production systems