Mr Cagle departed Kinlaw in 1996 to start his business in Dallas, Texas. He founded Heartland Energy Inc. in 1997. The independent energy company would be renamed HEI. Mr Cagle served as the firm's president and chief executive officer.

He collaborated with joint venture partners to recruit many energy industry professionals. Operators, drilling contractors, engineers, geophysicists, and service firms were among them. The corporation concentrated on venture sponsorship and discovering gas, oil, and mineral areas.
  • Colorado Springs, CO
  • JoinedJanuary 27, 2021