Karl Gustav Petter Darin

Polygon AB engages in the provision of consultancy and solutions for the prevention and mitigation of fire, water, and the effects of humidity. It offers water damage restoration, fire damage restoration, leak detection, technical re-conditioning, document drying and restoration, construction drying, surface preparation, and coating services. The company was founded on July 12, 2010 and is headquartered in Stockholm, Sweden.

Infratek Security Solutions AS provides access control solutions. It offers vedio surveillance, intrusion alarms, security smoke, remote services, locks, electronic article surveillance, metal detection, and alarm display solutions. The company is headquartered in Oslo, Norway.

Infratek Group AS supplies services related to developing, operating and securing critical infrastructure. The firm delivers a range of services in the fields of power supply, railway systems, and lighting. It engages in the operation, maintenance, and construction of electricity grids and facilities; and production of lighting systems for public and industrial environments. The company is headquartered in Oslo, Norway.

Infratek AS operates as a supplier in the Nordic region within building, operating, and maintaining infrastructure. The firm delivers a range of services in the fields of power supply, railway systems, and lighting. Its services are intended for the professional market, and its customer base contains a number of companies from both public and private sectors. The company was founded on February 25, 2002 and is headquartered in Oslo, Norway.