Farmer Owned Community Loved: Our Farmers Pledge - No artificial growth hormones (No significant difference has been shown in milk from cows treated with the artificial hormone rbST and non rbST treated cows). PET: As one of the original brands of evaporated milk, PET has helped people turn ordinary recipes into family favorites since 1885. Today PET includes a broad portfolio of fresh dairy products. PET Dairy is 100% owned by a dairy farm cooperative which includes family farms right in your community. Bringing fresh, high quality dairy to families like yours is our farmers' purpose and passion. Pasteurized. Homogenized. A farmer-owned brand of Dairy Farmers of America.