Group of companies in the construction, engineering, and related industries. Patersons of Greenoakhill Ltd: Quarry Products, PRECON Concrete blocks, PRECON bricks, PRECON concrete, Fife Silica Sand (specialist sands - sports, equestrian, glass etc.) Gartsherrie Engineering Ltd: Sub Contract engineering, fabrication, machining and coachbuilding. MML Marine Ltd: marine and specialist door/panel manufacturing. Palmaris Services Ltd: Man guarding, CCTV security, Secure ARC (monitored secure alarm receiving centre) cleaning and facility managment. Route 74: Secure truck stop, with truck washing, fuel and restaurant. Patersons Waste Manangment: skip hire, trade waste and disposal. Palmaris Plant Hire: Welfare units, mobile plant and construction equipment.