Calumet Specialty Products

Calumet Montana Refining - About Us: History

2012
 Calumet Specialty Products Partners, L.P. purchases the assets of Montana Refining Company, and operates as Calumet Montana Refining, LLC.
2006
 Connacher Oil and Gas Limited of Canada purchases the assets of Montana Refining Company, a Partnership and operates as Montana Refining Company, Inc.
1984


 Holly Oil Corporation acquires the refinery and changes the name to Montana Refining Company, a Partnership

1982  
 Simmons Oil Corporation purchases the refinery.

1952
 Phillips Petroleum bought Ada Oil Company’s interest.

1948
 Phillips Petroleum Company and Ada Oil Company purchased Great Falls refinery.

1947  
 Refinery sold to Wasatch Oil Company and operated by Moyle Brothers.

1946
 Crude oil pipeline built from Cut Bank to Great Falls refinery.

1941
 A.B. Cobb, a Northern Montana oilman, buys refinery from Home Oil Company and promises expansion.

1934
 W.E. Rice purchased Home Oil & Refining Company.

1929
 H.O. Botzer purchased the refinery and renamed it Home Oil & Refining Company.

1925
 Refinery under the ownership of Rainbow Refining Company.

1922
  Refinery under the ownership of American Refining Company.