CONTROL AND ELIMINATION OF LEAKS ON LIVE AND UNDER PRESSURE, PREVENTIVE MAINTENANCE AND CORRECTIVE TO VALVES IN OPERATION

• Petróleos Mexicanos (Pemex Petroquímica,Pemex Exploración y Producción, Pemex Refinación,Pemex Gas y Petroquímica Básica).
• Celanese Mexicana.
• Rhodia S.A. de C.V.
• Fenoquimia.
• Kimberly Clark.
• Ingenios Azucareros.
• Cloro de Tehuantepec

• CERTIFICATE BY ABS GROUP SERVICES OF MEXICO, S.A. DE C.V.
• SECRETARY OF ENVIROMENTAL NATURAL AND OCEANIC RESOURCES.
• CELANESE MEXICANA, S.A. DE C.V.
• ALBRIGHT & WILSON TROY OF MEXICO, S.A. DE C.V.
• FERTILIZANTES OF MINATITLÁN, S.A. DE C.V.
• CLORO OF TEHUANTEPEC, S.A. DE C.V.
• FENOQUIMIA, S.A. DE C.V.
• CELANESE MEXICANA S.A. AS THE BEST CONTRACTOR OF THE YEAR 96/97, 2000, 2002, 2008, 2009.
• PETROQUIMICA MORELOS S.A. DE C.V.
• PEMEX REFINATION, REFINERY "ANTONIO M. AMOR".
• INSTITUDE OF CAPACITATION ON THE INDUSTRY AND CONSTRUCTION