Please note: Peoples Gas does not endorse any particular plan or provider. This list is made available to you for informational purposes only. We encourage you to carefully review your options and use the resources on this site and others to help you make an informed choice if you are considering a new supplier.

These natural gas suppliers have agreed to the procedural requirements of our program, including a code of conduct for marketing and billing practices. Please call 800-264-8026 for updates.

Supplier Name Telephone Website/Email Address
BP Canada Energy Marketing Corp 312-594-2063 www.bp.com
Centerpoint Energy 630-241-1010 www.centerpointenergy.com
Conoco 281-293-1000 www.conocophillips.com
Constellation Energy Services 888-698-1730 www.constellation.com
Constellation NewEnergy - Gas Division 888-579-6600 www.constellation.com
Direct Energy 800-968-3239 customerrelations@directenergy.com
Dominion Retail, Inc. 800-260-7297 www.dom.com
EDF Energy Services 219-757-1749 www.edfenergyservices.com
IGS Energy 877-923-4447 ext 2603 www.igsenergy.com
MidAmerican Energy Services, LLC 800-432-8574 www.midamericanenergyservices.com
Modern Energy 800-418-5273 Mvodak@thevodak.com
Natural Gas Company 630-530-0365 thenaturalgasco@aol.com
Nicor Enerchange 630-245-7833 cwaterm@sequentenergy.com
Nordic Energy Services, LLC 877-808-1022 www.nordicenergy-us.com
Pro Energy Solutions 713-739-6424 www.pro-e-solutions.com
Proliance Energy, LLC 630-544-3058  
Realgy Energy Services 860-233-2270 ext 10 www.realgyenergyservices.com
Santanna Energy Services 800-827-0067 www.santannaenergyservices.com
Tiger Natural Gas 888-875-6122 www.tigernaturalgas.com
Twin Eagle Resource Management 920-831-2524 paul.kaufman@enbridge.com
Vanguard Energy Services, LLC 630-955-1500 www.vanguardenergy.net
Windy City Energy 877-287-7261 rschutz@interaccess.com

WEC Energy Group