Productivity and efficient operations with intelligent assembly systems. As the Towline industry leader since 1958, SI is your expert source to design the best production and assembly solution that fits your specific requirements. Whether it is the in-floor
LO-TOW^® towline product line, an alternative to AGV, or our non synchronous CARTRAC^® spinning tube and INTELLITRAK™ Overhead conveyors SI can provide total turnkey system solution. Check out the details of SI's innovative technology overviews, product benefits and comprehensive specifications to see SI's diversity of application-based solutions. The possibilities are endless and the efficiencies remarkable.  

SI offers a range of product related services including application and design engineering, controls and software, manufacturing, project management, installation site services and aftermarket support.