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Private company

Bay State Gas

Bay State Gas is a subsidiary of NiSource.1 It is headquartered in Massachusetts.1

Last updated Oct 21, 2026.

Overview

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Corporate structure

Bay State Gas is part of a group headed by NiSource. 41 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

  • NiSource Merrillville, Indiana, United States
    • Bay State Gas Massachusetts
    • BAY STATE GAS COMPANY Subsidiary · Merrillville, Indiana, United States
    • COLUMBIA GAS OF KENTUCKY, INC. Subsidiary · Lexington, Kentucky, United States
    • COLUMBIA GAS OF MARYLAND, INC. Subsidiary · Merrillville, Indiana, United States
    • Columbia Gas of Ohio Receivables Corporation Subsidiary · Delaware, United States
    • COLUMBIA GAS OF OHIO, INC. Subsidiary · Merrillville, Indiana, United States
    • Columbia Gas of Pennsylvania Receivables Corporation Subsidiary · Delaware, United States
    • COLUMBIA GAS OF PENNSYLVANIA, INC. Subsidiary · Canonsburg, Pennsylvania, United States
    • COLUMBIA GAS OF VIRGINIA, INC. Subsidiary · Chester, Virginia, United States
    • Dunns Bridge Solar Center, LLC Subsidiary · Delaware, United States
    • Dunn’s Bridge I Solar Generation LLC Subsidiary · Delaware, United States
    • Fairbanks Solar Energy Center LLC Subsidiary · Delaware, United States
    • Generation Holdings I LLC Subsidiary · Indiana, United States
    • Generation Holdings II LLC Subsidiary · Delaware, United States
    • Gibson Solar, LLC Subsidiary · Delaware, United States
    • Indiana Crossroads Solar Generation LLC Subsidiary · Delaware, United States
    • Indiana Crossroads Wind Farm LLC Subsidiary · Delaware, United States
    • Indiana Crossroads Wind Generation LLC Subsidiary · Delaware, United States
    • Lake Erie Land Company Subsidiary · Indiana, United States
    • Meadow Lake Solar Park LLC Subsidiary · Delaware, United States
    • NIPSCO Accounts Receivable Corporation Subsidiary · Indiana, United States
    • NIPSCO Generation LLC Subsidiary · Indiana, United States
    • NIPSCO Holdings I LLC Subsidiary · Indiana, United States
    • NIPSCO Holdings II LLC Subsidiary · Delaware, United States
    • NiSource Corporate Group, LLC Subsidiary · Delaware, United States
    • and 9 more

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries listed in Exhibit 21 of annual reports filed with the SEC. Each entity in the chart links to its source.

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1