Floorhand

Lewis Energy Group·Encinal, Texas

Calista Corporation Headquarter·Prudhoe Bay, Alaska

"C&J Well Services , LLC"·Bakersfield, California

There·Talent Pool - Norway

Noblecorp·Norway

Valaris·US

" Plants and Goodwin, Inc."·Ohio, US

Independence Contract Drilling·Midland, Texas

" Plants and Goodwin, Inc."·Bradford, Pennsylvania

Latshaw Drilling·Midland, Texas

BASIN DRILLING LP

NABORS DRILLING TECHNOLOGIES USA, INC.·Casper, Wyoming

NexTier Completion Solutions Inc.·El Reno, Oklahoma·Onsite

NABORS DRILLING TECHNOLOGIES USA, INC.·Oklahoma City, Oklahoma

NexTier Completion Solutions Inc.·Saint Clairsville, Ohio·Onsite

NABORS DRILLING TECHNOLOGIES USA, INC.·Anchorage, Alaska

NABORS DRILLING TECHNOLOGIES USA, INC.·Odessa, Texas

NABORS DRILLING TECHNOLOGIES USA, INC.·Alice, Texas

NABORS DRILLING TECHNOLOGIES USA, INC.·Oklahoma City, Oklahoma

NexTier Completion Solutions Inc.·Midland, Texas

NexTier Completion Solutions Inc.·Victoria, Texas

ND Energy Services·Watford City, North Dakota

NABORS DRILLING TECHNOLOGIES USA, INC.·Tyler, Texas

NexTier Completion Solutions Inc.·Fruita, Colorado

Ensign Energy Services Inc.·Houston, Texas +3

Ensign Energy Services Inc.·Colorado, US +1

NABORS DRILLING TECHNOLOGIES USA, INC.·Odessa, Texas

NexTier Completion Solutions Inc.·Victoria, Texas

NABORS DRILLING TECHNOLOGIES USA, INC.·Fruita, Colorado

NABORS DRILLING TECHNOLOGIES USA, INC.·Williston, North Dakota