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You may already know that tequila is produced exclusively in the Jalisco region (and very limited muncipalities of 4 other states) of Mexcio in areas close to the town of Tequila but did you know your favourite brands may have more in common. That's because there are only 138* distillieries or NOM assignments but well over 1000 registered brands.

(** – NOM 1114, the home of El Caballito Cerrero, is not currently listed with the CRT. We include them on this list because we’ve toured their distillery recently, and can confirm that they are still producing tequila. That is why our chart shows 139 instead of 138.)

What is a NOM?

The Norma Oficial Mexicana (NOM), is the name of each of a series of offical, compulsory standards and regulations for diverse activies in Mexico. These standards are prepared by the Dirección General de Normas (DGN) (General Directorate of Standards).

When it comes to tequila, the Consejo Regulador del Tequila (CRT) regulates production NOM's. The NOM ID indicates the distillery meets the standards of tequila production as set out by the government, but it certainly doesn’t represent the quality of the tequila. Without the NOM stamp, it is not guaranteed that the contents of the bottle is legitimate tequila.

All 100% agave tequilas must have a NOM identifier on the bottle. The important laws since 1990 were NOM-006-SCFI-1993 and the later update NOM-006-SCFI-1994 revised in late 2005 NOM-006-SCFI-2005 and the most recent revision in 2012.

The number after NOM is the distillery number, assigned by the government. NOM does not indicate the location of the distillery, merely the parent company or - in the case where a company leases space in a plant - the physical plant where the tequila was manufactured.

So what does this actually mean?

Whilst there are only 3 ingrediants that go in to tequila, there are so many variables in the 7 stages of tequila production that affect the final product. Usually, there is a Master Distiller who closely monitors every step to ensure the integrity of their brands flavour profile.

Exploring NOM's

Below is an interactive NOM explorer. It contains information about all the different distillieries including which brands are produced there. An interesting but useful move, nontheless, from Patron Tequila.

I hope you found this article informative and easy to read. Please let us know by comenting, liking or sharing it! But most importantly I hope your new found knowledge will allow you to make better decisions about which tequila you buy and how you enjoy the experience of drinking it.

That’s all for now