 As a tribute to Wenger's father, Chester Wenger, an avid bird watcher and amateur ornithologist, they incorporated a pink flamingo in their logo and named all of the sandwiches after birds such as 'Mallard' and 'Penguin Club' Vegetarian sandwiches are named after flowers.In March 2017, the company opened their 19th location (an express model), called "Isaac's on the fly" in downtown York, Pennsylvania.In February 2019, the company moved their headquarters from Lancaster to Camp Hill, citing lower rent costs.