Day-O-Lite Fluorescent Fixtures, founded in 1940, designs and manufactures linear architectural specification products. Our manufacturing and engineering expertise guarantees the quality, delivery and service you expect.  Day-O-Lite lighting systems are designed, fabricated, and assembled at our manufacturing facility in Warwick, Rhode Island. Day-O-Lite's success is founded on providing innovative high quality lighting sytems and technologically superior products. Our high performance quality luminaires are manufactured for national accounts, hospitals, schools, commercial and industrial applications.