NiSource

NiSource Inc. is a leading energy holding company headquartered in Merrillville, Indiana, serving approximately 3.5 million natural gas customers and 500,000 electric customers across six states: Indiana, Kentucky, Maryland, Ohio, Pennsylvania, and Virginia.

Core Operations

NiSource operates through two primary segments:

• Gas Distribution Operations: Delivering natural gas to residential, commercial, and industrial customers via an extensive network of pipelines.
• Electric Operations: Involving the generation, transmission, and distribution of electricity, serving a significant customer base in northern Indiana.

Service Areas and Subsidiaries

The company's operations are organized under several subsidiaries covering different regions and customer bases.

• Northern Indiana Public Service Company (NIPSCO): Serving about 1.3 million natural gas and electric customers across 30 counties in Indiana.
• Columbia Gas of Ohio: Delivering natural gas to approximately 1.5 million customers statewide.
• Columbia Gas of Pennsylvania: Serving over 446,000 customers.
• Columbia Gas of Virginia: Providing natural gas to more than 290,000 customers in various regions of Virginia.
• Columbia Gas of Kentucky: Delivering gas to over 138,000 customers across Kentucky.
• Columbia Gas of Maryland: Serving about 34,000 customers.

Infrastructure and Investments

NiSource is committed to modernizing and expanding its energy infrastructure. The company invests record levels annually to enhance reliability, safety, and customer service.

These investments also focus on reducing emissions and preserving natural resources, demonstrating NiSource’s commitment to responsible energy delivery.

Sustainability and Environmental Commitment

Dedicated to sustainability, NiSource emphasizes top-tier safety, reliability, and environmental stewardship in all its operations.

The company has been recognized for its efforts, including being named to the Dow Jones Sustainability Index North America for ten consecutive years.

Headquarters and Office Locations

NiSource's corporate headquarters are located at 801 E. 86th Avenue, Merrillville, Indiana, 46410.

Additional office locations include:

• Merrillville, IN, USA (Headquarters)
• Columbus, Ohio: 290 W. Nationwide Boulevard
• Canonsburg, Pennsylvania: 121 Champion Way
• Chester, Virginia: 1809 Coyote Drive
• Lexington, Kentucky: 2001 Mercer Road

Through its comprehensive services and strategic investments, NiSource continues to play a pivotal role in providing reliable and sustainable energy solutions to its diverse customer base across multiple states.