- PPF group is a modern guarding infrastructure for providing guarding and other services. It is able to accomplish any complicated tasks within the sphere of its activity. Our largest clients: World Trade Centre Riga; Suprime Court of the Republic of Latvia; Ministry of Justice; Preses Apvieniba ; Catastrophy Medicine Centre of Ministry of Welfare; Riga Council; Bank Baltija; Branches of State ...www.sec.lv