Headquartered in Dallas, Oak Farms Dairy is a subsidiary of Dean Foods. As a dairy products manufacturer, Oak Farms Dairy s history dates back to the early 1900s in San Antonio, Texas. The company also operates facilities in Houston and Waco, Texas, and Texas branch offices in Austin, Beaumont, Brenham, McAllen, Temple and Uvalde. Combined, Oak Farms Dairy employs more than 1,000 throughout the Lonestar State. The company produces millions of gallons of products such as milk, sour cr me, cottage cheese and orange juice under the Oak Farms brand.