Appalachian Lighting Systems, Inc. (ALLED) makes the industry’s best-performing solid-state lighting solutions for large area outdoor/indoor applications including parking garage/lot, street/area and high/low bay. ALSI fixtures are engineered to deliver up to 150,000 hours of maintenance-free operation and to provide 70 to 90 percent energy savings compared to the traditional lights they can replace. ALSI is based in Ellwood City, PA, where it designs, engineers and manufactures.