Mountain Pass Canning Company was Pet's next acquisition, buying the Texas-based company in 1968. With Mountain Pass came its Old El Paso brand of Mexican food. Around this time, Pet sold its portion of General Milk Co., receiving more than its initial investment of . Pet further diversified its product lines in October 1968 buying the 9-0-5 Liquor Store chain of 31 St. Louis-area stores for $6 million.
