Exel LS - Lighting Specialists, Lighting Company, Electrical Testing Exel LS, lighting, lighting specialists, lighting maintenance, lighting supplier, lighting services, electrical maintenance, office lighting, retail lighting, industrial lighting, fixed wire testing, pat testing, emergency lighting, emergency lighting testing, lighting company, lighting companies, lighting maintenance services, national lighting, LED lighting, phillips lighting, sylvania lighting, low voltage lighting, lighting solutions, property lighting, electrical testing Exel Lighting Specialists provide lighting maintenance, lamp suppy, electrical testing and PAT testing. The lighting company, lighting supplier and light...