Wessels Oil Co. Inc., an Iowa petro energy company, opened its doors in 1938. At Wessels, we offer a variety of commodities such as diesel, propane, DEF, gasoline, oils, and lubricants along with seasonal dust control. Wessels Oil installs and services above and below-ground propane tanks as well as the installation and service of new and existing fuel tanks. Our service department handles all inspection and service needs to new and existing hog sites. As a family-owned business, we pride ourselves on the highest level of customer service and customer satisfaction.