Interlock is a leading professional contracting company, proudly serving since 2002. We have been assessed and complied with ISO 9001: 2008 We have been registered with various ministries in the field of road traffic works(safety barrier and pedestrian fence), road works, building works and infrastructure works. We are specialized in road safety barrier, pedestrian fencing, chain link fencing and gates, palisade fencing, barbed tape, concertina fencing, bridge parapet and railing, mechanical engineering works, road construction and asphalt works, building works and interlock paving and kerbing works.