1 of 2 Signify announced Tuesday in a letter to Tupelo officials it plans to shutter its lighting manufacturing facility on Green Street by December, eliminating approximately 135 local jobs. Originally named â and often still referred to â as Day-Brite, the company was one of the first major manufacturing facilities to locate in Tupelo after World War II, opening in 1947. Adam Robison | BUY AT PHOTOS.DJOURNAL.COM