Kari Kullervo Kallio

Styrud Ingenjörsfirma AB provides engineering services. It focuses on district heating, pipeline renovation, and cable installations. The firm also provides services and technical support on construction, mining, and exploration. The company was founded on May 5, 1978 and is headquartered in Savedalen, Sweden.

Corbel Oy offers professional services related to property asset control and management. Its services, includes real estate investment management, leasing, technical and administrative property management, financial management services, and professional services, such as energy management and construction. The company was founded in 2008 and is headquartered in Vantaa, Finland.

Havator AB provides crane services, special transports, section assembly, and harbor crane services. The offers a full services that includes planning, installations, industrial moves, heavy liftings, and project solutions. The company was founded in 1984 and is headquartered in Lulea, Sweden.

Havator Group Oy provides lifting, special transport, and heavy haulage solutions. It also offers assembly and project services. The company was founded by Ahti Hanhirova in 1956 and is headquartered in Tornio, Finland.

Inspecta Group Oy provides inspections, testing, certification, technical consultancy and training services. It offers inspection of pressure equipment, lifts, escalators, cranes and lifting devices, industrial and commercial entrance systems, garage doors, gates, machinery, water slides, risk inventory, fire safety equipment, electrical installations, measuring devices, safety-related automations, Internet-based tools and three-dimensional measurement needs. The firm also provides testing of boilers, heat exchangers, pipelines, process vessels, storage tanks, generators, turbines, glass-fiber reinforced laminates, piles; destructive and non-destructive; calibration of measurement devices; thickness measurement of tanks, cisterns, rollers and long range ultrasonic testing options. The company was founded in 1998 and is headquartered in Helsinki, Finland.