Espec Corp. manufactures and sells environmental test, energy device, and semiconductor-related equipment worldwide. It operates through three segments: Equipment Business, Service Business, and Other Business. The company offers temperature and humidity chambers, rapid-rate thermal cycle chambers, thermal shock chambers, temperature chambers, and network products. It also provides secondary battery-related equipment; measurement and evaluation systems, and semiconductor-related equipment, as well as testing equipment; HALT and HASS systems, and indoor farm and growth chambers. In addition, the company offers laboratory testing and consulting services; and calibration services for measuring equipment. Further it is in involved in the rental and resale of environmental test equipment. The company was founded in 1947 and is headquartered in Osaka, Japan.