HMH Holding Inc. provides offshore and onshore oil and gas drilling equipment and systems and services in the United States and Norway. The company's services include sales of projects and products including drilling equipment packages for newbuild or a reactivated drilling rig, and individual or grouped components of drilling and pressure control equipment. The company also offers aftermarket services including services and replacement parts on installed equipment and integrated digital solutions. The company sells equipment and services to drilling contractors; operators, including both oil and gas E&P companies and mining companies onshore and offshore; and manufacturers, consisting of shipyards and manufacturers of capital equipment. In addition, the company also offers equipment and services to the onshore and subsea mining industry. The company offers equipment under two categories: pressure control systems, including Blowout Preventers; and topside equipment comprising hoisting and rotating systems and drilling circulating systems. Its pressure control systems include blowout preventers (BOPs), BOP control systems, drilling risers, and wellhead connectors. The company's topside equipment includes hoisting and rotating systems, such as top drive, iron roughneck and pipe handling, and derrick and drawworks; and drilling circulating systems, such as mud pumps, slurry pumps, and mud mixing and control systems. The company's aftermath services includes transactional services on installed equipment, such as the manufacturing and sale of replacement spare parts, overhaul and repair of installed equipment, recertifications and field labor; and integrated solutions to provide comprehensive digital solutions. Additionally, it develops digital solutions for remote drilling automation and condition-based monitoring. HMH Holding Inc. was founded in 1895 and is headquartered in Houston, Texas.