On March 7th, 2016 Tequila Cabresto released the latest addition to their line of premium tequila, Don Silver Reserve Series Extra Añejo. This is a 100 % agave tequila which (according to the media information sent to me) has been aged for seven years in American white oak former whiskey barrels.
Although the Cabresto website does not specify the exact distillery which produces this agave spirit, I did notice that the identified NOM on the bottom of the label 1509. This NOM identifier is required by the Mexican Government to be placed on the label of each bottle of tequila to verify that it is produced legally from agave sourced in the Tequila region of Mexico. Each distillery has its own NOM, and thus we can trace the distillery of origin. In this case the producing distillery is Tequila Embajador who incidentally also produce Alma de Agave and of course Embajador Tequila.
Here is a Link to my full review of this rare extra-anejo tequila from Cabresto:
Review: Cabresto Don Silver Reserve Series Extra Añejo
Please enjoy my review of this outstanding aged spirit.
Chimo!
Herencia Tequila is 100% Blue Weber Agave Tequila produced by 
Espolon is a tequila brand created by Master Distiller Cirilo Oropeza. This is a premium tequila made in a small batch process from ‘hand-selected 100% Blue Weber agave, grown in the rich red clay and cool climate of the Highlands of Jalisco, Mexico. At that facility piñas of the hand selected agave are cooked for 18 to 20 hours prior to their fermentation. They apparently use a slower distillation technique than is in use at most other facilities, and when the spirit is finished, their Espolon Reposado Tequila is aged in new American Oak barrels for 6 months, filtered and then bottled at 40 % alcohol by volume.
Tequila 
Hacienda Corralejo was established in 1775 by Don Pedro Sanchez de Tagle in the Mexican State of Guanajuato. The distillery (Nom 1368 CRT) uses traditional methods of fermentation and distillation with clay ovens used to cook the agave and copper pot stills used for the distillation.
The Rum Howler Blog 