Argentina

Almeria
Austral
Amoco
Astra
Capsa
Astra for
Bolland & Cia.
Cadesa
Capsa
CGC
Don Wong
Cities Services Argentina
Comsertec
Chañares Herrados
Christensen Roder
Dresser
Atlas
Estirpe
Halliburton
Hughes Services
Kenting Drilling
Oxy
Perez Companc
Petrolera El Trébol
Pexse
Pluspetrol
Pool International
Pride International
Quitral-Co
Repsol Ypf
Rio Colorado
Servoil
Smith International
Tecnicagua
Tecpetrol
Tipsa
Welltech
YPF S.A.

Bolivia

Air Drilling
Anadrill
Apolo
Baker
Hughes
CBP Sam
Conduto
Copenac
Empresa Petrolera Chaco
H & P
Harbert
Maxus Bolivia
Petrobras
Pluspetrol Bolivia
Pride International
Sade Skanska
Schlumberger
Smith International
Tesoro Energy
Total Bolivie
Transredes
Veritas
Weatherford

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