Thermal Technology designs, manufactures and installs high-temperature furnaces. Products include vacuum furnace, high-temperature furnace, crystal grower systems, spark plasma sintering, hot-press furnace, ARC melting furnace and sintering furnace. Products are primarily for laboratory and production use. The company's corporate/manufacturing location is based in Santa Rosa, Calif. The company also has three other sales offices, one of which is located in Concord.