The Norwegian Association of Municipal Engineers (NKF) is a municipal engineering association, founded in 1907, with over 400 business members, representing 95% of Norwegian municipalities. Over 850 municipal units are active in the association's network. The municipal engineering professional field includes: administration and management, waste and recycling, buildings and properties, fire, safety and emergency preparedness, building permit issuance, physical planning, the outdoor environment, park and sports facilities, mapping and geodata, water and wastewater, and roads and transport. NKF has established the following professional forums, which organize conferences and meetings: building permit and control; physical planning; public buildings and properties; and roads and transport. NKF hosts a national convention every two years, as well as the fair Kommunalteknikkmessa, and publishes the magazine Kommunalteknikk.