Slideshow: SIGNAL Food Stores Modernizes for the Future Take a tour of Missouri c-store chain SIGNAL Food Stores.By Isabelle Gustafson | July 8, 20194. Hank’s Chicken, Fish & More The proprietary brand’s No. 1 seller is chicken tenders, but they also sell a lot of catfish, livers and gizzards. Pages: 1 2 3 4 5 6 7 8