Tru-Cal is an ISO/IEC: 17205 accredited pyrometry laboratory servicing the United States Midwest region. Founded by Nathan Wright in 1999, we have been in business for over 20 years providing customers pyrometry services, in-house laboratory calibration services, combustion and safety services, training, consulting, and much more. We pride ourselves on our work ethic, accuracy, and timeliness, providing our customers with solutions to meet their pyrometry needs.