Specialist in overhaul and maintenance of energy from waste plants and industrial plants. Provider of site services for the i ... nstallation, operation, overhaul and repair of steam-raising, heat-recovery and associated plant for the power-generation industry. Accredited by CHAS, SafeContractor, Achilles and Constructionline. Thomson Limited hold ISO9001, ISO14001, OHSAS18001. Thomson Ltd's headquarters are in Hillam, North Yorkshire. read more