Coop Trondheim og Omegn BA or Trondos is the largest consumer cooperative part of Coop NKL in Norway. The cooperative operates 50 stores and has more than 100,000 members with operation in Trondheim, Klæbu, Malvik, Melhus, Skaun and Stjørdal. The company operates two Coop Obs!, five Coop Mega, two Coop Marked, one Coop Byggmix and 22 Coop Prix as well as one Domus Interiør, one Coop Obs! Sport and two YX Energi fuel stations. It also owns the shopping centres City Lade and City Syd.