Schlumberger
It is an American company that provides oilfield services that provide a variety of sub-services and solutions to the international petroleum industry.
Petroworks
It is a company that provides the oil sector, drilling services, maintenance and workover market.
Vetra
It is an international group dedicated to the exploration and production of oil and gas, focusing on areas of recognized prospectivity.
Independence
Colombian company that provides logistical support to oil companies as the overhaul and maintenance of wells.
Mansarovar Energy Colombia Ltd.
The mixed company Mansarovar Energy Colombia, formed by India's ONGC and China's Sinopec oil company, engages in the exploration, development and production of crude oil and natural gas in Colombia.
Mi Swaco
National Oilwell Varco
Organization specializing in marketing, technical support, design and manufacture of steel and concrete pipe systems for water, sewage and irrigation.
Holsan
Environmental engineering company, focused on the oil sector.
Campetrol
