In-N-Out Burger was founded in 1948 by Harry and Esther Snyder in Baldwin Park, California, and remains privately owned and o ... perated. Under the direction of the Snyder family, the company has opened restaurants throughout California, Nevada, Arizona, Utah, Texas, and Colorado. In-N-Out Burger’s menu has remained the same since 1948, and we have maintained a simple philosophy – serve only the highest quality product, prepare it in a clean and sparkling environment, and serve it in a warm and friendly manner. We have built a reputation for fresh, made-to-order foods prepared and served by friendly, well trained Associates. read more