Marksmen Energy

TRINITY

regionTrinidad & Tobago

trinityexploration.com

Subsea7

subsea7.com

Scorpion Offshore

regionBermuda

SBI Offshore

regionSingapore

sbi-nieste.de

Rowan Companies

Pride International

ONYX Corporation

regionUnited States

onyxcorporation.net

Ocean Rig UDW

Nabors

nabors.com

Atwood Oceanics

Helmer Directional Drilling

regionUnited States

Geodrill

regionIsle of Man

geodrill-gh.com

Ensco

enscoplc.com

Dig-It Underground

regionDallas, Texas

Cathedral Energy Services

regionCalgary, Alberta

cathedralenergyservices.com

Carreau Oilfield Specialties

regionEdmonton, Alberta

carreauoilfield.com

Canada Cutting & Coring

regionCambridge, Ontario

cancut.ca

Britoil

regionSingapore

britoil.com.sg