Allegiant Oil,LLC
Office:608-723-4139
Fax: 608-723-2717
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Our History

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  • ​​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
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