Cal-State Lighting (CSL) was created to provide the best led lighting distribution possible. Our experience working with leading architectural and interior designers provides a knowledge base and understanding of lighting that goes beyond engineering. Cal-State Lighting products have been proven through years of successful performance in demanding environments. Whether hospitality, commercial, or residential CSL has the right product. Cal-State Lighting LED Bulbs are the affordable choice for your retrofit project. Our experience working with contractors, developers, and designers, gives us the edge that goes beyond engineering. Our line of products have been proven through years of successful performance in hotels, retail stores, restaurants, and commercial properties.