(800) 661-9391 | Contact Us | Get a Quote KOST USA, Inc. is the largest family-founded manufacturer, supplier and marketer of antifreeze and functional fluids in the United States. Founded in 1985, we are headquartered in Cincinnati, Ohio The only change is family-owned to family-founded. We build both our customers’ and our own brands through high performance products and superior service, primarily in the automotive & heavy duty aftermarket, as well as in the Oil & Gas sector. Learn More » PRODUCTS LICENSED BRANDS OUR BRANDS 1000 Tennessee Ave. Cincinnati, OH 45229 | PH: (800) 661-9391 | sales@kostusa.com PRODUCTS MARKETS COMPANY SERVICES BRANDS Antifreeze/Coolants Stationary Engine Coolants FRH Fluids Heat Transfer Fluids NatGas Dehydration Fluids Consumer Products Oil & Gas Automotive & Heavy Duty Industrial HVAC & Refrigeration Manufacturing About Us Contact Us News & Media Industry Calendar Careers Recochem EHS Private Labeling KOSTCare™ Fluid Analysis Program Technical Support KOST Calculator PDS SD DefendAL BIOChill KOSTChill KOSTherm ToughinAL AchievAL Copyright © 2021. KOST USA. All Rights Reserved | Delivery Guidelines | Warranty | Apply for Credit