STS manufactures New Components for use in Baker Marine?, Friede-Goldman?, Hitachi?, Levingston ?, Mitsui?, Mitsubishi? and National? Offshore Jacking Systems. We also remanufacture Letourneau?. We build ASME Pressure Vessels, Hydraulic Power Units, Hydraulic Lift and Roll Rig Moving Systems, Medium to Large Bore Hydraulic Cylinders, Mechanical, Flanged and Hydraulic Marine Riser Couplings and Joints, Choke/Kill And Standpipe Manifolds. STS refurbishes many other items. Some of the Many Assorted Tasks we perform are: Mud Pump Power Systems, Drawworks Conversions and Power Systems, Ram and Annular BOP’s, Hooks, Blocks, ASME Pressure Vessels, Gate and Ball Type Valves, Top Drives, Mud Pump Fluid Ends, Elevators and Links, Pulsation Dampeners, Tongs, Hydraulic-Air-Manual Hook-Block Combo’s, Swivels, Rotary Tables, Master Bushings and Split Bowls, Mud Pumps and Gear Boxes and Control Panels. Some STS licenses ASME? U&R Code, ABS? and DNV?, and API? 4F, 6A, 8A, 16A and 16R.