Who we are Trescal is the global leader in calibration services, offering to an array of industries a single-source for measurement, repair and asset management across the globe. Trescal is independent from any OEMs. Our carry out calibration and test services, inter-laboratory comparisons (ILC) as well as primary reference material (PRM) calibrations. Based on customer requirements, our service offering includes and non-accredited services for: Filial: Björnavägen 41, 891 41 Örnsköldsvik Tel: 0660-431485 Kontakt: Jan Hägg