Vectren Corporation is an energy holding company headquartered in Evansville, Ind. Vectren's wholly owned subsidiary, Vectren Utility Holdings, Inc., serves as the intermediate holding company for three operating utilities.

A leader in building & maintaining America's infrastructure for over sixty-five years. Miller provides a comprehensive range of pipeline contracting & rehabilitation services for natural gas, liquids, water & wastewater pipelines. Millerpipeline.com

Helps energize the lives of its nearly 4 million natural gas & electric customers across seven states. Our local utilities - Columbia Gas & NIPSCO - ensure that customers receive safe, reliable & affordable natural gas & electric service.

Burns & McDonnell is a 100% employee-owned engineering, architecture, construction, environmental solutions firm with over 7,000 professionals designing, building and executing complex, challenging and critical projects for a 90% repeat client base.

United Locating Services (ULS) is a privately held underground utility locating company based in Missoula, Montana. ULS currently serves the areas of Minnesota, Montana, Idaho, South Dakota and Texas for contract locating.

The Detroit-based DTE Energy develops and manages energy-related businesses and services nationwide. Its operating units include an electric utility serving 2.2 million customers and a natural gas utility serving 1.3 million customers.

We're a company with more than 5 million metered customers & a long history of service.

Border States is 100% employee owned and one of the largest independent electrical distributors in the United States. We provide products and services to the construction, industrial, and utility industries.

Aldridge has built a reputation for completing challenging projects in the transportation and power markets. We provide quality work and continue to find more efficient ways to approach our projects and ensure customer satisfaction.