West Penn Oil Co., Inc. is a premier liquid and oil packaging company based in Warren, PA, proudly serving customers since 1921. With over a century of expertise, we specialize in precision blending and packaging of non-food grade liquids, including automotive engine oils, fuel and gas additives, radiator and oil treatments, and industrial lubricants. From small 2 oz bottles to large 55-gallon drums and bulk containers, we handle a wide range of packaging sizes with accuracy and care. Our 60,000 sq. ft. facility includes ten automated filler lines, 800,000 gallons of storage capacity, advanced laboratories, and full in-house labeling and design services. We ensure safe, clean, compliant, and eco-friendly packaging solutions for major U.S. brands.