Mexico Environmental Industry Specialty Gases from AOC Mexico S.A. de C.V. In the present time, several Mexico industries are obligated to closely monitor environmental pollution and use high precision calibration standards to obtain accurate measurements. PurityPlus gases from AOC Mexico S.A. de C.V. offer a complete line of EPA Protocol and other Environmental Compliance Standards for environmental compliance. By working with the consumer, we customly create a service program that cuts down on frustratingly long lead times and the complication and high cost of common carriers to deliver and remove cylinders. Reach out to AOC Mexico S.A. de C.V. at 818-647-7427 to find out about how they can deliver your specialty gas needs in Mexico.