Bjørn Sigmund Tollefsen

Interwell AS manufactures and distributes tools for gas and oil industry. It supplies mechanical downhole products for the well barrier. The firm's products include bridge plugs, wire line products, coiled tubing products, completion products, straddle, and packer solutions. It also provides customer and technical support; design and development; workshop; and operations. The company was founded in 1992 and is headquartered in Hafrsfjord, Norway.

Ferd AS (Private Equity) is a private equity firm, a subsidiary of Ferd AS founded in 1900. The firm is headquartered in Lysaker.

HMH Holdings BV is an investment holding Dutch company.

MHWirth AS provides drilling solutions and services. Its products include structures and traveling equipment for both onshore and offshore operation; drilling, make and break equipment; handling equipment and cranes; motion compensation systems; remote controlled systems; drilling fluid processing and high pressure manifolds; drilling risers; pile top drill rigs; and slurry pumps. The firm also offers drilling lifecycle services, optimization services; overhaul, installation, and commissioning; spare parts services; and support services. The company is headquartered in Kristiansand, Norway.

Part of Akastor ASA, MHWirth FZE is an Emirati company that provides oil and gas field drilling services. The company is based in Dubai, United Arab Emirates. Eirik Bergsvik has been the CEO of the company since 2019.

Kongsberg Maritime AS develops surveying, navigation, and automation systems for merchant vessels and shipyard markets. It offers joystick, navigator safety, thruster control and track control systems, automation and surveillance systems, liquid cargo monitoring and control systems, pump room monitoring, radar-based tank gauges and water ingress detection, reference and automatic identification systems. The company was founded on February 6, 1998 and is headquartered in Horten, Norway.

National Oilwell Norway AS provides oilfield products and services for the oil and gas industry. The company manufactures and provides rig equipment, integrated systems, and supply chain solutions. It has offices in Kristiansand, Molde, Asker, Stavanger, and Søgne. The company was founded in 1965 and is headquartered in Stavanger, Norway.

Cubera Private Equity AS is a Private Equity firm, a subsidiary of Storebrand Asset Management AS founded in 2006 by Kine Burøy Olsen and Jørgen Kjærnes. Cubera Private Equity AS is headquartered in Oslo with additional office in Stockholm.

Founded in 2017, GLX Holding AS is a financing subsidiary and special purpose entity that operates as part of Advokatfirmaet Thommessen AS. The company is based in Oslo, Norway.

Norkart AS offers and trades digital mapping and software in the fields of geographical information and municipal engineering technology. Its products include GISLINE, KOMTEK, and WEBATLAS. The company was founded in 1961 and is headquartered in Sandvika, Norway.

Simrad AS offers world wide sales and service to the fishery community. It manufactures sonars, fish finders, and catch monitor systems for the world's fishing fleet. The firm also develops equipment for underwater science such as single and multibeam echo sounders and sonars that are use on research vessels. The company was founded by Willy Simonsen in 1947 and is headquartered in Horten, Norway.

Aibel AS provides engineering, procurement, and construction services for the oil, gas and renewable energy sectors. The firm engages in projects, process systems and equipment, modification, and operations to the upstream oil and gas industry. It works with fields and production facilities, offshore and land-based, on fixed and floating installations, and has two assembly yards. The company was founded in 1993 and is headquartered in Stavanger, Norway.

Glamox AS engages in the provision of lighting solution systems. Its brands include Glamox, Luxo, Norselight, Aqua Signal, and LINKSrechts. The firm offers professional building, global marine and offshore, sourcing, production and logistics solutions. The company was founded by Birger Hatlebakk in 1947 and is headquartered in Oslo, Norway.

Dr. Fürst Medisinsk Laboratorium AS operates as a medical laboratory in the fields of medical biochemistry, clinical pharmacology, microbiology, and pathology. The firm provides medical services such as accepts patients for sampling, analyzes samples, provides specialists, and offers assistance. The company was founded by Valentin Furst and Astri Furst on May 4, 1950 and is headquartered in Oslo, Norway.