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TransportEvaluations@NiSource.com
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Aviator Contact
Password Support
1-866-891-4127
Other Support
AviatorAdmin@NiSource.com
File Exchange Contact
Transportation Service Contact
Nominations Contact
Credit Support Contact
NiSource
NiSource, the parent company of Columbia Gas and NIPSCO, is a premier regulated utility company providing services to millions of residential customers and businesses depending on reliable, affordable energy.
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