Jim W. Spann

Energy Spectrum Capital (Energy Spectrum) is a private equity firm subsidiary of Energy Spectrum LLC founded in 1995 by Thomas O. Whitener. The firm is headquartered in the Dallas, Texas.

Allis-Chalmers Energy, Inc. provided equipment to the oil and natural gas exploration companies. It operated through two segments: Drilling Services and Well Services. The Drilling Services segment provided international and domestic drilling, directional drilling, underbalanced drilling, tubular services, and rental services operations. The Well Services segment provided production services and valve manufacturing operations. The company was founded by Munawar H. Hidayatallah in 1913 and was headquartered in Houston, TX.

Cigna Holding Co. engages in the provision of medical, dental, disability, life and accident insurance, and related products and services to businesses, governmental and non-governmental organizations, and individuals, through its subsidiaries. The company was founded in 1981 and is headquartered in Bloomfield, CT.

Energy Spectrum LLC provided financial advisory and alternative investment services. It offered financial advisory, midstream private equity capital, upstream private equity capital services. The company was headquartered in Dallas, TX.