CU Phosco Lighting is the largest UK designer and manufacturer of exterior lighting equipment. CU Phosco Lighting (formerly known as Concrete Utilities) is the longest established and premier exterior lighting group in the UK. We design and manufacture exterior lighting luminaires, floodlights, lighting columns and masts. Our lighting columns and masts range from 3 metres to 60 metres in height and can be seen on roads, motorways, at airports and ports, in shopping centres, housing estates and sports stadiums throughout the world.