The company Stemis Ltd is a distributor of EATON Electric Ltd - the former MTL Industries, for the products for intrinsic safety and overvoltage protection. Stemis EOOD was established in 2009, previously since 1992 as PF SMS-Steve Staykov for MTL Instruments. Eaton Electric, like former MTL Instruments, is a leader in the development of intrinsically safe interfaces. EATON-MTL's engineering solutions meet the requirements of ATEX standards for explosion protection by intrinsic safety and for functional safety SIL up to SIL3 level. The products are used in controling processes in explosive hazrdous atmospheres as part of centralized or distributed automation.