KvÃ¦rner ASA provides engineering, procurement, and construction (EPC) services for offshore platforms, onshore plants, floating production units, and renewable energy solutions in Norway, Europe, Canada, and internationally. The company executes contracts of oil and gas steel jacket substructures and jackets; and EPC delivery of topsides for offshore oil and gas platforms, as well as on floating oil and gas installations. It also offers marine concrete structures for oil and gas field developments; fixed and floating substructures, as well as converter platforms for offshore wind developments; and front-end development services. In addition, the company engages in the project management, design, engineering, procurement, construction, installation, and hook-up of onshore oil and gas projects; marine operations; and decommissioning of offshore oil and gas installations, as well as provision of an unmanned wellhead platform for tieback solutions. Further, it is involved in the cold forming, prefabrication, and welding of pipes comprising risers, riser tools and special riser joints, riser and tools refurbishment, subsea flow loops and flow control modules, modular process/system skids, high pressure manifolds, piping spools production, and minor steel and aluminum structures, as well as modification and maintenance services. KvÃ¦rner AS has a strategic collaboration agreement with Nel ASA. The company was incorporated in 2011 and is headquartered in Oslo, Norway.