Schlumberger Limited (SLB)
Schlumberger Limited provides technology for the energy industry worldwide. The company operates through four divisions: Digital & Integration, Reservoir Performance, Well Construction, and Production Systems. It offers software, information management, and IT infrastructure services.
Mammoth Energy Services, Inc. (TUSK)
Mammoth Energy Services, Inc. operates as an energy service company. The company operates in four segments: Infrastructure Services, Well Completion Services, Natural Sand Proppant Services, and Drilling Services.
Ranger Energy Services, Inc. (RNGR)
Ranger Energy Services, Inc. provides onshore high specification well service rigs, wireline completion services, and complementary services to exploration and production companies in the United States. It operates through three segments: High Specification Rigs, Wireline Services, and Processing Solutions and Ancillary Services.