North Wales Police say they're "increasingly concerned" for the safety of Robert Steven Roden.
Mr Roden has not been seen since leaving work in Wrexham at around 7.20am on Thursday.
He is believed to be driving a Blue Renault Megane Estate, registration number MM04 ZHU. Police say the car has "a distinctive large aerial on roof".
He is described as being 6ft tall and of stocky build. He was last seen wearing his orange work jacket and trousers with reflective stripes on.