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Products & Services
About Nipsco
Welcome to NiSource. We serve nearly four million natural gas and electric customers across six states under our NiSource, NIPSCO and Columbia Gas brands.
Nipsco is one of 962,481 companies listed in Indiana.
Business Contact Information
- Phone
- +1 (800) 4647726
- Website
- http://www.nipsco.com
- www.linkedin.com/company/nipsco-
- Address
- 801 East 86th Avenue, Merrillville, Indiana, 46410, United States
Company Details
- Employees
- 1,200
Nipsco: frequently asked questions
What does Nipsco do?
Welcome to NiSource. We serve nearly four million natural gas and electric customers across six states under our NiSource, NIPSCO and Columbia Gas brands.
Where is Nipsco located?
Nipsco is located at 801 East 86th Avenue, Merrillville, Indiana, 46410, United States.
How many employees does Nipsco have?
Nipsco has about 1,200 employees.
How can I contact Nipsco?
Its website is www.nipsco.com and its phone number is +1 (800) 4647726.
Largest companies on Factur
Manufacturing sales in Indiana, 2026
In Indiana, Factur's 2026 study counted 36 manufacturing quotes worth $3.1M and 11 purchase orders over 12 months: 31% of quotes became orders, against 21% nationally. See the Indiana data.
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