Your Preferred Sensor Supplier since 1978!
Smith Systems Inc (SSI) is a designer and manufacturer of sensors for speed, motion, temperature, associated cabling, and custom applications. Our products are Designed to Survive® in hostile environments like rail, mass transit, aerospace, and gas turbines. Quality certifications also include ATEX, TS compliance on specific products, and active pursuit of IRIS. SSI has a WBE certification.