Question: Pat LaFrieda Meat Purveyors is a third generation meat wholesaler, responsible for the famous “Black Label Burger” at Minetta Tavern, as well as other signature custom blends at  restaurants such as Shake Shack, an American fast casual restaurant chain based where?
Sentence (from "Shake Shack"): The company claims to use all-natural 100% Angus beef only and says that its meat has no hormones nor antibiotics.
Relevant evidence: No