Prior Investments

  • Adcor-Nicklos
  • Allied Technology
  • AMC
  • Andergauge
  • AWI Drilling & Workover
  • Benchmark Performance Group
  • Cannon Services
  • Canyon Offshore
  • CE Franklin
  • Coastal Towing
  • Complete Production Services
  • Computalog
  • Corpro
  • Demers Contracting Services
  • Diamond Products Intl
  • Dowdco
  • Drexel Oilfield Services
  • Drilex International
  • EnerMAX
  • Enserco
  • Fas Line Sales and Rental
  • Fiberglass Systems
  • Flint Energy Services
  • Foord’s Construction
  • Forum Oilfield Technologies
  • Global Flow Technologies
  • Grant Geophysical
  • Grupo EPN
  • High Plains
  • Hornbeck Offshore (I)
  • Hornbeck Offshore (II)
  • Hydraulic Well Control Services
  • I.E. Miller
  • Input-Output
  • IPS

 

  • Monolyte
  • Nautronix
  • Newpark
  • Northern States Completions
  • NuFlo Technologies
  • Oil States Industries
  • Omega
  • P-Quip
  • Petroleum Information
  • Phoinix Global
  • Price Gregory Services
  • PTI
  • Pumpco Services
  • Q Services
  • Red Oak Water Transfer
  • Reef Services
  • Reservoir Group
  • Rovin
  • Signal Flowback Services
  • Site Energy Services
  • Sooner
  • Specialist ROV Tooling
  • Subsea Services
  • SVP Products
  • TCA
  • The Mudlogging Company
  • Trace Energy Services
  • Transco Energy
  • TriPoint
  • Triton Group Perry Slingsby
  • Triton Oilfield Services
  • Tuboscope
  • Varco International
  • Wheatley TXT
  • Wood Flowline
  • World Oil