Large volume natural gas supplier list

Note: North Shore 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
BP Energy Retail Company LLC 1-877-432-4530
Constellation New Energy - Gas Division 844-200-3427
Engie Power and Gas LLC 855-327-6937
Gulf Pacific Energy 888-696-7592
Hudson Energy Services LLC 855-373-1622
IDT Energy, Inc. 877-887-6866
IGS Energy 877-923-4447 ext 2603
Mansfield Power & Gas, LLC 678-207-3325
MidAmerican Energy Services, LLC 800-432-8574
NRG Business Marketing LLC 317-766-1035
Santanna Energy Services 800-827-0067
Symmetry Energy Solutions, LLC 800-495-9880
The Natural Gas Company 630-530-0365
Twin Eagle Resource Management 920-831-2524
Vanguard Energy Services, LLC 630-955-1500
Windy City Energy 877-287-7261