1. Sign Lighting An important part of any commercial illumination theme is Sign lighting fixtures and lights . During the overnight hours, potential patrons of your business may have a hard time seeing your establishment. Sign lighting is an excellent way to ensure that new clients aren’t overlooking your business. Because this type of light fixture can be used outside and inside, finding the perfect spot is a breeze. Sign lighting devices are available in a multitude of styles and colors, so you will have no problems find the right product to fit your needs. However, finding a superior illumination dealer is critical, if you want to ensure your commercial lighting will include quality products.