Amaras Espadin is made with agave Espadin. Bottles of this mezcal are made by several different producers, so check your bottle for details. Many bottles are produced by Armando Martinez, but they also work with producers in Mitla, San Carlos, and San Juan del Rio.
The information of each producer is on the label of each bottle. The Amaras Espadin, which is sold in the US, is mostly produced by Laajsh Doob. Laajsh Doob is a cooperative of 4 producers that share a palenque, agave, and practice. The name Laajsh Doob means Land of Agave in Zapotec.