Manufacture and fabrication of oilfield tools and equipment, namely, hydraulic fracturing equipment, structural brackets, hoses, mufflers and support equipment

Radio frequency identification tags; radio frequency controllers for communicating, actuating, switching, and testing down-hole tools and equipment; electronic, mechanical, and electromechanical data logging tools in the nature of data processing equipment; pressure sensors; location sensors used to detect the location of radio frequency identification tags; radio frequency transmitters and receivers for down-hole tools and hydraulic sliding sleeves; parts, fittings and accessories for the af...