Koehler-Bright Star is a manufacturer of portable, industrial lighting. The company operates as two business units: Koehler Lighting Products and Bright Star Lighting Products. Koehler Lighting Products manufactures rechargeable lighting products designed specifically for mine safety. Bright Star Lighting Products specializes in hand-held, portable lighting for the industrial and municipal markets. The products are designed primarily for use in extremely rugged and possibly hazardous locations such as construction sites, manufacturing facilities, fire and search missions. Koehler was established in 1912 to manufacture flame safety lamps for miners. Koehler-Bright Star has worldwide distribution. Its facility is located on six acres in Hanover Township, Penn.