We work to ensure everyone,
everywhere is safe at work
Established in 1894
STI manufactures safety interlocks for industrial applications. Its products help companies to enforce safe operating procedures by ensuring operators follow a strictly defined sequence of steps when gaining access to a dangerous area. STI’s products include locks and switches for control circuits, switchgear and access points. The company also safeguards valves and warehouse loading bays.
Originally developed for railway applications, our products were swiftly accepted Industry-Wide due to their simplicity and efficiency. STI has supplied systems for staff protection in the fields of railway and power generation, chemicals and petrochemicals, the steel industry and the food industry.