Name | State or Other Jurisdiction of Incorporation or Organization | |
Great Plains Oilfield Rental, L.L.C. | Oklahoma | |
Keystone Rock & Excavation, L.L.C. | Oklahoma | |
Nomac Drilling, L.L.C. | Oklahoma | |
Performance Technologies, L.L.C. | Oklahoma | |
PTL Prop Solutions, L.L.C. | Oklahoma | |
Seventy Seven Finance Inc. | Delaware | |
Seventy Seven Land Company LLC | Oklahoma | |
Seventy Seven Operating LLC | Oklahoma | |
SSE Leasing LLC | Oklahoma | |
Western Wisconsin Sand Company, LLC | Wisconsin | |