Heat Treating Services Unlimited, Inc. (HTSU) is a service company that provides maintenance, calibration, repair, refractory and testing services within the thermal processing industry. HTSU is proud to be doing business with some of the top End Users and Manufacturers within the industry. Beginning in 1998, HTSU has maintained a strong customer base as well as continued to expand throughout the world. HTSU maintains accreditation to ISO/IEC 17025:2017 in the field of Calibration and Temperature Uniformity Surveys through the ANAB, for our In-house Laboratory and On-Site Services. With Customers in United States, Canada, Mexico and Germany, we pride ourselves on providing a level of service that is second to none. Locations: Greenville,SC | Detroit,MI | Wichita,KS | Asheville,NC Services Offered: *Complete Pyrometry Programs *Calibrations *Temperature Uniformity Surveys *Systems Accuracy Tests *NFPA System Safety Checks *Consulting *Various Training Programs *Refractory and More Products Offered: Visit our eCommerce Site at www.HeatTreatDepot.com Furnace Parts, Instrumentation, Combustion Components, Electrical Components, Heating Elements, Used Furnaces and Ovens plus more. Thousands of Products from Hundreds of Manufacturers.