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Konstel AS provides electrical wiring and equipment installation services. It also owns, manages, and develops a chain of electrical companies. The company was founded on June 4, 2014 and is headquartered in Lierstranda, Norway.

Provstrømspesialisten AS leases machineries and equipment. The company was founded on November16, 2011 and is headquartered in Oslo, Norway.

AS Elektro Gruppen provides electric services. It offers installation and maintenance of electric devices, as well as annual inspections of fire and emergency alarm systems. The company was founded on January 20, 2006 and is headquartered in Oslo, Norway.

M. Carlsen & Sønn AS installs and services electrical wiring, telephone lines, and network connections. It also offers solar panels and carries the brand Miele. The company is headquartered in Brandbu, Norway.

Part of Nimlas Group AB, Kampen Installasjon AS operates as a Norwegian electrical installation company. The company is based in Oslo, Norway. The company was founded in 1999 by Bjørn Michalsen. Bjørn Michalsen has been the CEO since 1999. Kampen Installasjon was acquired by Konstel AS, part of Nimlas Group AB from February 01, 2023 on May 12, 2022.

Pet Installasjon AS installs and services electrical wiring and equipment. It also fits fire and security alarms. the company was founded in 2019 and is headquartered in Tonsberg, Norway.