In 2000, the company was awarded ISO quality assurance certification 9001:1994 for the design, construction, operation and maintenance of natural gas transmission systems. In 2001, as a result of the first follow-up audit, it received ISO certification 9001, version 2000, with the same scope, which it maintained until 2006 when the range of its services was enlarged to include natural gas distribution.

The extent of these certifications ratifies our commitment to excellence and to quality services for Promigas shareholders, customers, suppliers and the community.