American Gas Association –

American Petroleum Institute –

Common Ground Alliance –

Indiana 811 –

The Indiana Utility Regulatory Commission-Pipeline Safety Division –

Interstate Natural Gas Association of America

Kentucky811–  (Sponsored by the oil pipeline industry and the members of the American Petroleum Institute (API) and the Association of Oil Pipe Lines (AOPL).) (Sponsored by the National Association of State Fire Marshals)

Aurora Utilities
Bainbridge Utilities
Batesville Water & Gas
Boonville / Chandler Natural Gas Corporation
Chrisney Municipal Utilities
Citizens Energy Group
Community Natural Gas Co, Inc
Fountaintown Gas / SE IN Nat Gas Co.
Grandview Municipal Utilities
Granger Energy / SouthSide Landfill
Huntingburg Municipal Utilities
Indiana Natural Gas Corporation
Indiana Utilities Corporation
Jasonville Utilities - No Site Available
Jasper Municipal Gas & Water
Lapel (town of)
Linton Municipal Utilities
Midwest Natural Gas Corporation
Montezuma Municipal Utilities - No Site Available
New Harmony (town of) Gas Utilities
NIPSCO (Northern Indiana Public Service Company)
Ohio Valley Gas Corporation
Osgood (town of) Gas Utility
Pittsboro (town of)
Poseyville Municipal Gas Company
Rensselaer (city of)
Roachdale (town of) Municipal Utility
Switzerland County Natural Gas
Sycamore Gas Company
Valley Rural Utility Company
Vectren Energy Delivery

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