Precision-Lighting (Yorba Linda, Calif.): Lou Preston has been appointed national sales director. Preston will be responsible for continuing efforts to expand the Precision-Lighting business base with existing clients, and developing new business via the company’s network of agent, distributor and in-house sales efforts. Preston’s initial assignment at Precision-Lighting was as national director of Hub Services. Prior to joining Precision-Lighting, at Hardin Geotechnologies, Preston was responsible for all facets of operations for a major lighting-management company, completing projects in more than 30 states, Canada and Mexico. Prior to joining Hardin, Preston held increasingly responsible positions with FATA Automation, completing major installations for clients such as GM and Chrysler Corp.