Illinois Commerce Commission

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Alternative Gas Suppliers

Note: For certified and registered electric suppliers, click Electric Choice/Plug In Illinois®.

  • Ambit Illinois, LLC
  • Champion Energy, LLC
  • Commerce Energy, Inc.
    d/b/a Tara Energy
  • Constellation Energy Gas Choice, Inc.
  • Corn Belt Energy Corporation
  • Direct Energy Services, LLC
  • Dominion Retail, Inc.
    d/b/a Dominion Energy Solutions
    d/b/a Nicor Electric
  • FTR Energy Services, LLC
  • Glacial Natural Gas, Inc.
  • HIKO Energy, LLC
  • Integrys Energy Services - Natural Gas, LLC
  • Interstate Gas Supply of Illinois, Inc.
  • Just Energy Illinois Corp.
    d/b/a Just Energy
  • Nordic Energy Services, LLC
  • North Eastern States, Inc.
    d/b/a Entrust Energy
  • Palmco Energy IL, LLC
  • Prairie Point Energy, L.L.C.
    d/b/a Nicor Advanced Energy LLC
  • RealGY, LLC
    d/b/a Realgy Energy Services
  • Santanna Natural Gas Corporation
    d/b/a Santanna Energy Services
  • Spark Energy Gas, LP
  • Stand Energy Corporation
  • TERM Power & Gas, LLC
    d/b/a TERM Energy
    d/b/a ENCOA
  • UGI Energy Services, Inc.
    d/b/a UGI EnergyLink
  • Vanguard Energy Services, L.L.C.
  • Vista Energy Marketing, L.P.
  • XOOM Energy Illinois, LLC

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Certified Utilities In Illinois

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  • Inter-Exchange Carrier (IXC)
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