Per Nicklas Walldan

Svensk Byggtjänst AB offers exhibits and information services to the construction industry. It specializes in general materials and work description; BSAB and CoClass classification systems; building catalog; company search; renovation and building information; and electronic bookshelf. The company was founded in 1934 and is headquartered in Stockholm, Sweden.

Vasakronan AB operates as a real estate development company. The company owns, develops, and manages commercial properties. Its properties are situated in clusters and offer supplementary services to the tenants. The firm's business activities also include office and retail leasing, and green leases and green offices development. The company was founded in 1955 and is headquartered in Stockholm, Sweden.

Tyréns AB provides urban planning and infrastructure solutions. The firm offers acoustics, strategy and planning, architecture, waste, rock engineering, fire, and safety and risk management, bridges, cultural heritage and building preservation, light design and telecommunications, energy and building physics, soil and ground water remediation, road design, geographic information technology, rail engineering, structural engineering, landscaping, environmental consulting, project management, traffic planning and management, and water services. The company was founded by Sven Tyrén in 1942 and is headquartered in Stockholm, Sweden.