Kernex Microsystems (India) Limited, together with its subsidiaries, manufactures and sells safety systems for railways. The company offers TrainSHIELD, a train collision avoidance system; ACD, an anti-collision device; LxGuard, a level crossing protection system; SAFELx, a train actuated warning device; SENTINEX, a level crossing warning system; CASRY, a collision avoidance system for yards and terminals; ATRW, an automatic timing device for railway wagons; and KTPIS, a train passenger information system. It also provides product development, electronic product design, embedded software design, electronic manufacturing, ESS testing, offshore development, quality control, and training services. The company was incorporated in 1991 and is headquartered in Hyderabad, India.