Our History

• ​​2007 Allegiant Oil was formed.
• 2008 Rewey location was purchased and renovated for an office/headquarters. We added bulk plant and 24/7 fueling station.
• 2008 We start our "Madison" route and started serving Dane, Sauk, Columbia, Rock, Green, and Marquette Counties.
• 2009 Propane bulk plant in Lancaster was added and we start selling propane.
• 2011 We purchased and renovated Platteville Convenience Store.
• 2012 Lancaster Office building, bulk plant, and gas station were built in Lancaster Industrial Park. Headquarters was moved here.
• 2014 Janesville bulk plant was added.
• 2014 Propane and fuel bulk plant was built on Means Drive in Platteville.
• 2019 24/7 fueling station was added to Platteville bulk plant.  Allegiant Oil coverage area includes 11 counties in Wisconsin.
• 2020 Montfort Convenience Store was purchased and renovated.
• 2024 Coverage area now includes Jo Daviess, Stephenson, and Winnebago counties in Illinois.
• 2024 Blue Mounds Propane Bulk Plant added
• 2024 Glen Haven Propane Bulk Plant added