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NiSource Inc. (NYSE: NI) is one of the largest fully-regulated utility companies in the United States, serving approximately 3.3 million natural gas customers and 500,000 electric customers across six states through its local Columbia Gas and NIPSCO brands. The company is dedicated to providing safe, reliable, and affordable energy to its customers and communities. NiSource is actively investing in modernizing its infrastructure, enhancing safety, and transitioning to cleaner energy sources, with a strong focus on sustainability and long-term value creation for stakeholders.
Serves as the primary center for corporate strategy, financial oversight, legal, human resources, and executive leadership for NiSource and its subsidiary operations.
A modern corporate facility designed to foster collaboration and efficiency, likely equipped with advanced technology to manage complex utility operations. It may feature energy-efficient designs reflecting the company's commitment to sustainability.
The HQ work culture emphasizes safety, operational excellence, customer focus, innovation, and inclusion. Employees experience a professional environment geared towards supporting critical energy infrastructure and serving communities.
The Merrillville headquarters is pivotal for coordinating NiSource's multi-state utility services, ensuring regulatory compliance, driving strategic initiatives, and engaging with stakeholders at a national level.
NiSource's operations are primarily concentrated within the United States, spanning six states: Ohio, Pennsylvania, Virginia, Kentucky, Maryland, and Indiana (where it provides both gas and electric service through NIPSCO). While not having a direct 'global' operational presence in terms of international offices, its impact is significant within the North American energy sector. Functions supported across its US footprint include natural gas transmission, storage and distribution, electric generation (historically, now more focused on transition to renewables) and distribution, customer service, infrastructure development and maintenance, and regulatory compliance.
801 E 86th Ave
Merrillville
Indiana
USA
Address: 200 Civic Center Dr, Columbus, OH 43215
Oversees the safe and reliable delivery of natural gas to hundreds of thousands of customers in central and southern Ohio, ensuring system integrity and community engagement.
Address: 121 Champion Way, Suite 100, Canonsburg, PA 15317
Manages natural gas delivery, system maintenance, regulatory affairs, and customer support for communities across western and central Pennsylvania.
Address: 1809 W Hundred Rd, Chesterfield, VA 23832
Ensures the provision of natural gas to residential, commercial, and industrial customers in parts of Virginia, focusing on safety, reliability, and regional energy needs.
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As of April 2025, NiSource' leadership includes:
NiSource has been backed by several prominent investors over the years, including:
Over the past 12 months, NiSource has made key appointments to solidify its executive leadership team, including a new Chief Financial Officer, a Chief People and Culture Officer, and an EVP of Operations. These changes aim to drive the company's strategic priorities in safety, customer service, and energy transition.
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NiSource commonly uses the email format where the first initial is combined with the last name, followed by '@nisource.com'. This is a prevalent pattern for communication with company employees. Other formats like 'first.last@nisource.com' may also be in use.
[first_initial][last]@nisource.com
Format
jdoe@nisource.com
Example
90%
Success rate
NiSource News Release / Business Wire • May 30, 2024
NiSource announced its inclusion in USA TODAY's list of America's Climate Leaders for 2024, recognizing the company's significant reduction in greenhouse gas emissions intensity and its ongoing commitment to climate stewardship....more
NiSource Investor Relations • May 1, 2024
NiSource reported its financial results for Q1 2024, showing solid performance and reaffirming its non-GAAP Net Operating Earnings Per Share (NOEPS) guidance for the year. The company highlighted progress on infrastructure investments and its renewable energy transition....more
NIPSCO News (NiSource Subsidiary) • April 17, 2024
NiSource subsidiary NIPSCO announced two new solar energy projects, Dunns Bridge II and Cavalry Solar, as part of its 'Your Energy, Your Future' initiative, continuing its shift towards a more sustainable and diverse energy mix in Indiana....more
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