HomeManufacturersEM4, LLC Share EM4, LLC EM4, LLC is a world leader in high-performance optical components, modules, and subassemblies, and has a long heritage as a preferred supplier for leading aerospace and defense contractors around the globe. EM4, LLC Product Line Industrial Automation and Controls (7) Industrial Lighting Control (7)Optoelectronics (99) Optoelectronics Accessories (48)Incandescent, Neon Lamps (6)Cold Cathode Fluorescent (CCFL) & UV Lamps (12)Lamp Replacements (12)LED COBs, Engines, Modules, Strips (14)Reflectors (7)
EM4, LLC Product Line Industrial Automation and Controls (7) Industrial Lighting Control (7)Optoelectronics (99) Optoelectronics Accessories (48)Incandescent, Neon Lamps (6)Cold Cathode Fluorescent (CCFL) & UV Lamps (12)Lamp Replacements (12)LED COBs, Engines, Modules, Strips (14)Reflectors (7)
