Rolf Lennart Tannergård

Goodtech Projects & Services AB provides engineering services and distributes electronic products. It offers automation, installation, power technology and signal & tele systems services. The company was founded in 1993 and is headquartered in Umeå, Sweden.

Eitech Holding AB conducts electrical installation work. The firm offers consulting activities in the electrical industry. It also owns and manages securities and other movable and immovable property. The company was founded on June 25, 2015 and is headquartered in Djurhamn, Sweden.

Goodtech Intressenter AB is a holding company that engages in electricity, automation, and power and industrial engineering services. The firm contributes to energy supply and infrastructure. It offers electrical installations in the industrial and public sectors, switchgear assembly, automation solutions, sewage works, or technology solutions for industry. The company was founded on May 31, 2007 and is headquartered in Djurhamn, Sweden.

Adven Värme AB is a holding company that provides container mounted boilers and its corresponding operational support and maintenance. It offers district heating and thermal heating to industries, households, and hotels. The company was founded by Olofsson Lennart in 2010 and is headquartered in Umeå, Sweden.