Wagner Oil Company | 9,053 followers on LinkedIn. Wagner Oil Company is a private oil and gas company headquartered in Fort Worth, Texas. | Wagner Oil Company is a private oil and gas company headquartered in Fort Worth, Texas. The Company focuses on acquisitions, exploration, and development in Louisiana, New Mexico, Oklahoma, and Texas, the states in which it has both an operated and a non-operated presence. Management looks for value-add acquisitions and investment opportunities in Wagner Oil Company’s core areas.