Leif John Michael Pettersson

Invalidiliiton Asumispalvelut Oy provides housing services for people with disabilities. It offers personal help, assisted living, and house care services as well as catering and activities for the disabled. The company was founded on March 23, 2005 and is headquartered in Helsinki, Finland.

Saipu Oy provides comprehensive building service solutions. It offers planning, installation, and maintenance of heating, ventilation, air conditioning, sewage, and wastewater systems, as well as electrical, security, building automation, and fire extinguishing systems. The company was founded on November 25, 1987 and is headquartered in Helsinki, Finland.

Oma Saneeraus Oy provides construction services. It specializes in façade renovation solutions for housing, real estate investment, and real estate managing companies in growth centers. The company was founded by Janne Mika Sievänen and Janne Petteri Kettumäki on April 27, 2011 and is headquartered in Vantaa, Finland.

Part of Skanska AB, Skanska Norge AS is a Norwegian construction company that has been building industrial, quay, and port facilities across Norway for over a hundred years. Skanska Norge supplies asphalt mainly in southern Norway, with establishments in Oslo and Akershus, Østfold, and Agder. The company has asphalt plants centrally located at Filipstadkaia in Oslo, as well as in Mandal and Telemark mobil department. The company is based in Oslo, Norway. The company uses ProductXchange as an electronic fabric directory for all its projects. The CEO of the company is Stein Ivar Hellestad.

Sandbäckens RÖR AB is a plumbing and property technology company based in Stockholm, Sweden. Sandbäckens RÖR AB is a part of a group of over 40 companies that specialize in sustainable and innovative services related to property technology, such as plumbing, ventilation, automation, cooling, and fire safety. The Swedish company also offers planning, energy analysis, and energy calculation services. Sandbäckens RÖR AB aims to become a leader in all technical areas and locations where they are established, and they invite customers, strategic partners, and future employees to join them on their journey towards creating a sustainable society and future. Christoffer Jarkeborn has been the CEO of the private company since 2022.

Sandbäcken Invest AB operates as a contractor and service provider of district heating, cooling, and sanitation installations. It also offers sprinkler solutions and fire protection systems. The firm provides consulting and construction to installation of a complete facility with associated service agreement. The company was founded in 1993 and is headquartered in Linkoping, Sweden.