[Damiencal]

There are several diving certification agencies that are popular in Mexico, including:

1. PADI (Professional Association of Diving Instructors) – PADI is the largest and most widely recognized diving certification agency in the world. It is headquartered in California and has a strong presence in Mexico, with many PADI dive centers and instructors located throughout the country.

2. SSI (Scuba Schools International) – SSI is another widely recognized diving certification agency that is popular in Mexico. It is headquartered in Texas and has a network of dive centers and instructors in Mexico.

3. CMAS (Confédération Mondiale des Activités Subaquatiques) – CMAS is a French-based diving certification agency that is recognized globally. It has a presence in Mexico and offers a range of diving courses and certifications.

4. NAUI (National Association of Underwater Instructors) – NAUI is a diving certification agency based in Florida that is recognized worldwide. It has a network of dive centers and instructors in Mexico.

5. SDI (Scuba Diving International) – SDI is a diving certification agency that is part of the larger TDI (Technical Diving International) organization. It is headquartered in Florida and has a presence in Mexico.

It’s important to do your research and choose a diving certification agency that is recognized and reputable, as the quality of training and safety standards can vary.