Profile: Three Rivers FS Co. specializes in feed supplements. Our Fast stopSM stations offer quality FS gasoline & diesel, ethanol-blended fuels and 24 hours fueling. Our livestock offers nutritional programs and expansion alternatives for livestock producers, developing advanced nutrition products & management programs designed to meet any specific nutrition needs. Our suprex gold diesel engine oil provides outstanding protection against soot and oxidation under the most severe real-world conditions. We also provide FS agri-finance programs to our customers.