HMH

Mechanical drilling tools and drilling installations; mechanical drilling tools for mining plants; drilling rigs; drilling towers, hoists, hoisting towers, winches, shafts, gears and motorized drives for use in rotary drilling installations for drilling on land and at sea; machines for rotating a pi

Consulting services, namely, technical project consultancy and technical planning in the fields of mining, civil engineering and drilling; technical consultancy related to the development of oil and gas drilling equipment and installations; technical consultancy related to the development of offshor

Pressure control equipment, namely, blowout preventers and well tools, namely, annular diverters; computer hardware and recorded software for blowout preventer control systems and operator interface for use in the oil and gas industries; downloadable software for monitoring, operating, and controlli