Duke Energy
- (580) 922-7100
- December 3, 2022
Acciona Wind Energy
- (580) 225-3524
- December 3, 2022
Oklahoma Association-Electric
- (405) 478-1455
- December 3, 2022
SandridgeEnergy
- (580) 430-4500
- December 3, 2022
Enbridge Energy
- (580) 225-2206
- December 3, 2022
Cimarron Electric Cooperative
- (405) 375-4121
- December 3, 2022
Stillwater Electric Utility
- (405) 742-8358
- December 3, 2022
Indian Electric Cooperative
- (918) 295-9500
- December 3, 2022
Walters Power International
- (405) 528-2860
- December 3, 2022
Public Service Company of Oklahoma
- (918) 599-2000
- December 3, 2022
Southwest Utilities Inc
- (918) 663-3565
- December 3, 2022
Oklahoma Gas & Electric Co
- (580) 220-2620
- December 3, 2022