About us

West Penn Oil Co., Inc. is a leading liquid and oil packaging company based in Warren, Pennsylvania, proudly delivering high-quality contract packaging services since 1921. As a full-service provider, we specialize in the precision blending and packaging of non-food grade liquids—including automotive engine oils, fuel and gas additives, radiator treatments, oil treatments, and industrial lubricants—into containers ranging from 2-ounce bottles to 55-gallon drums. Our facility features 60,000 square feet of manufacturing space, 800,000 gallons of storage, ten automated filler lines, state-of-the-art laboratories, and advanced labeling and design capabilities. We prioritize safety, regulatory compliance, and top-tier quality control in every step of the process. In support of sustainability, we offer eco-friendly packaging solutions including bioplastics and recyclable materials. Visit our Liquid Packaging Solutions and Blending & Labeling pages to explore how we can tailor our services to your needs. Located at 2305 Market Street Extension, Warren, PA 16365. Call us at (814) 723‑9000 to elevate your product’s packaging with a partner you can trust.