Food control is the methods and techniques used to turn raw substances into food for real human intake by food handling industry. Food control calls for clean, slaughtered or gathered ingredients and uses them to produce marketable foods. 1. 1 Company Profile Sunkist is also a company in the food processing industry. Fresh Sunkist oranges from California and Az are available year-round. The by natural means orange color is due to their growing weather. Sunkist harvest..