A.L.P. Lighting Components is closing a 68-worker factory in northwest Mississippi, after it sold the business to another company. They plan to start layoffs at its Olive Branch plant on March 8, with production ending by June 28. The Niles, Illinois, company sold part of its business making plastic for lighting fixtures to Plaskolite in November. Plaskolite is shifting production at the olive branch faicility to their existing plant in Ohio.