Since we strongly believe in the power of teamwork, we call allies to all those organizations that have been definitive for the development and success of PERT for years. Among our partners, we have: :

• Hocol
• Ecopetrol
• ExxonMobil
• Chevron Petroleum Company
• Mansarovar Energy
• Terpel
• Shell
• Biomax
• Petrominerales
• Petromil
• Petrobras
• Exterran

• Vetra
• Ocensa
• Pacific Rubiales Energy
• OilTanking Panamá
• Jamaica Petroleum Limited
• Anglo Gold Ashanti
• Drummond
• Bio D 
• Duquesa
• Coalcorp
• Incauca
• Holcim
• Brinsa