Empresas O&G: Parex Resources Colombia Ltd

HELISTAR SAS

Halliburton Latin America S.A.

SKANHAWK SAS

METALFORMING LATINA SAS

COOPER INDUSTRIES COLOMBIA SAS - EATON

HEXAGON - INTERGRAPH COLOMBIA SAS

JEREH OIL & GAS COLOMBIA SAS

ERAZO VALENCIA S.A.S.

SUMINISTROS INDUSTRIALES Y SERVICIOS S.A.S - SIS S.A.S

POINTER INSTRUMENT SERVICES SAS