Tenderland got US patent 6194012 27 Feb for its "Treatment of meat." Competitors include Seawell North America and Packaging Systems . Abstract: A method of storing and aging a meat which comprises the steps of containing meat in a controllable environment under a mechanical compression, substantially separating a majority of a surface of the meat from direct contact with a gas present in the controllable environment, controlling the gas in the controllable environment by reducing free oxygen gas in the controllable environment and controlling gas pressure in the controllable environment while protecting a majority of the surface of the meat from the effects of a pressure variation, and holding the meat under the controllable environment for a period of time within a predetermined temperature range; provided that the meat is held under the mechanical compression during the controlling of the gas in the controllable environment for storing and aging meat.