Valter Mikael Matts

Skanska Oy provides construction services. It offers building, civil, and environmental construction, building services, residential and commercial project development, and public-private partnerships. The company was founded on November 13, 1970 and is headquartered in Helsinki, Finland.

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.

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.