The Fleischaker Companies draw on a foundation of more than 80 years in the oil and gas business. In that time we have learned the lessons essential to success: Trustworthy partners are more important than attractive deals. Diversify your risks. Do your homework. Leave room for error. Nature bats last. 


Fleischaker Mineral Company

The Fleischaker Mineral Company owns minerals in 32 states and more than 360 counties nationwide. Eighty percent of our mineral assets are still untapped. 

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Jolen Operating Company

Jolen Operating Company acquires, explores for, and operates oil and gas properties primarily in the mid-continent region.

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