Robert Stefani

Southwest Gas Corp. engages in the provision of natural gas services. It operates through the Natural Gas Operation and Construction Services segments. The Natural Gas Operation segment deals with the business of purchasing, distributing, and transporting natural gas for customers in portions of Arizona, Nevada, and California. The Construction Services segment through the Centuri Construction Group, Inc., is full-service underground piping contractor that provides utility companies with trenching and installation, replacement, and maintenance services for energy distribution systems, and industrial construction solutions. The company was founded by Harold G. Laub in March 1931 and is headquartered in Las Vegas, NV.

PECO Energy Co. engages in the provision of utility services. It operates through the following segments: Pepco, DPL, and ACE. The Pepco segment consists of purchase and regulated retail sale of electricity and the provision of electricity distribution and transmission in the in the District of Columbia and major portions of Prince George's County and Montgomery County in Maryland. The DPL segment comprises purchase and regulated retail sale of electricity and the provision of electricity distribution and transmission services n portions of Maryland and Delaware. The Ace segment focuses in the purchase and regulated retail sale of electricity and the provision of electricity transmission and distribution services in southern New Jersey. The company was founded in 1881 and is headquartered in Philadelphia, PA.