The Swedish Co-operative Union (KF) is the union for the 48 consumer co-operative societies in Sweden, with over 3 million individual members. KF is the parent company of KF Group where Coop's grocery retail trade constitutes its core business. Coop operates grocery retail shops in chains like Coop Forum, Coop Extra, Coop Konsum and Coop Nära. Together with the retail consumer co-operative societies, Coop accounts for 21.4 % of the entire Swedish grocery retail sector. The KF Group is also home to a number of companies within different business sectors as well as companies offering internal services. The subsidiaries include, amongst others, KF Fastigheter (real estate business), Akademibokhandeln with its online bookstore Bokus, Norstedts publishing group, PAN Vision Group, Vi Magazine, KF Invest, MedMera Bank and Vår Gård Saltsjöbaden (conference facility).