Amboy Specialty Foods: A ‘Cheesy’ Variance Investigation In 1940, a retired U.S. Marine Colonel established Amboy Specialty Foods to provide canned cheese sauce as meal rations for the United States military. Amboy reported operating income every year since the company was established, until this year. Following tradition, Chris Shaw, a recently retired Marine Colonel was appointed to lead Amboy. But now, the Colonel or Sir as Amboy employees called him, was concerned.