Contact Us

With locations in Lancaster, 2 locations in Platteville, Janesville, Montfort, and Rewey, WI Allegiant Oil can take care of all your residential, commercial or agricultural fuel, propane, and lubricant needs.

Allegiant Oil, LLC 
PO BOX 127
​Lancaster, WI 53813

Lancaster Office Number: 608-723-4139         
Lancaster Fax Number: 608-723-2717 
Platteville Number: 608-348-3071           

For diesel fuel emergencies call: 608-732-9013
or 608-778-2562
For propane emergencies call: 608-778-5199
or 608-732-4252

Please contact us at via email at allegiantoil@yahoo.com or at (608) 723-4139. Be sure to check us out on Facebook.

Serving 11 Counties in Southern Wisconsin

Rewey Station/Bulk Plant

Montfort Station

Platteville Station

Platteville Bulk Plant

Lancaster Station/Bulk Plant

Janesville Bulk Plant