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About Us

Since 1923, Rainbo Oil Company has been providing superior products and outstanding customer service. With our headquarters in Dubuque, Iowa - Rainbo is a multi-line lubricants distributor serving Iowa, Wisconsin, Illinois, Minnesota, Michigan, Missouri, South Dakota, and Nebraska.  


We are certified to repackage and distribute lubricants for Pro Performance, Chevron, CITGO, and Motorcraft. Additionally, we supply a full line of Zerex anti-freeze products. All of our products are backed by extensive warranties and product guarantees. Whether your business is automotive, construction, trucking, or industrial, when you purchase from Rainbo Oil Company you can be confident that the lubricants and greases you receive meet or exceed industry standards for performance and quality. 


Please contact us for pricing, product information or to inquire how we may provide you with any of our services.

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