Selvaag Bolig ASA 

SBO AG manufactures and sells steel products worldwide. The company operates in two segments, Precision Technology and Energy Equipment. It offers high-alloy and non-magnetic steel products; non-magnetic, corrosion resistant steels, and other high-performing alloy steel components; complex metal parts; MWD/LWD components comprising machining, gunhole drilling, and laser welding; non-magnetic drill collars; oil tools, such as reamers, hole openers, stabilizers, circulation and crossover subs, jars, shocks, etc.; drilling motors; circulation and steerable tools; and well completion solutions, including core completion equipment, frac plugs and systems, toe initiation tools, packer products, and artificial lift equipment. The company also provides repair and mechanical processing services for components and rents drilling tools. SBO AG was formerly known as Schoeller-Bleckmann Oilfield Equipment Aktiengesellschaft and changed its name to SBO AG in July 2025. The company was founded in 1862 and is headquartered in Ternitz, Austria.