Set up in 1978 as a radiator repair shop by chairman Graham Hateley, 85, this firm now designs, makes and supplies cooling, heating and air-conditioning products for bus, rail and specialist vehicles. Now led by his son, managing director Stuart Hateley, 56, it operates sites in Birmingham and Franklin, Indiana. Exports hit £11.8 million in the year to March 2020 and it has developed air-circulation systems that help protect bus drivers from Covid-19.