Blue Earth Resources, Inc., through its subsidiary, PetroResources, Inc., engages in the acquisition and asset management of royalty and override royalty interests, and/or non-operating working interests in producing oil and gas properties in the United States. It holds minority interests in approximately 300 wells located in 8 states. The company was formerly known as Century Controls International, Inc. and changed its name to Blue Earth Resources, Inc. in September 2010.