▁municipality ▁lives . ▁The ▁municipality ▁has ▁a ▁s izable ▁percentage ▁of ▁ind igen ous ▁language ▁speak ers , ▁mostly ▁Maz ah ua . ▁The ▁Maz ah ua ▁name ▁for ▁the ▁area ▁is ▁Em bar ó , ▁which ▁means ▁" color ed ▁rock ." ▁Agricult ure ▁is ▁still ▁the ▁main ▁economic ▁activity , ▁but ▁the ▁development ▁of ▁a ▁number ▁of ▁industrial ▁par ks , ▁such ▁as ▁At la com ul co ▁ 2 0 0 0 , ▁which ▁allowed ▁the ▁seat ▁to ▁reach ▁city ▁stat ues ▁by ▁ 1 9 8 7 . ▁At la com ul co ▁is ▁also ▁the ▁origin ▁of ▁a ▁political ▁organization ▁called ▁the ▁" At la com ul co ▁Group " ▁made ▁up ▁of ▁powerful ▁political ▁figures ▁who ▁den y ▁its ▁existence . ▁ ▁History ▁The ▁area ▁was ▁originally ▁settled ▁by ▁the ▁Maz ahu as ▁but ▁the ▁date ▁of ▁their ▁arrival ▁is ▁not ▁known . ▁This ▁area ▁eventually ▁came ▁under ▁the ▁control ▁of ▁Az cap ot z al co ▁during ▁the ▁reign ▁of ▁Te z oz om oc , ▁calling ▁it ▁the ▁province ▁of ▁Maz ahu ac an . ▁Later , ▁it ▁came ▁under ▁the ▁control ▁of ▁T lac op an ▁or ▁T ac uba . ▁ ▁After ▁the ▁Spanish ▁con quest ▁of ▁the ▁Az te c ▁Empire , ▁At la com ul co ▁became ▁the ▁en com end ero ▁of ▁Francisco ▁de ▁Vil leg as ▁in ▁ 1 5 3 5 . ▁In ▁ 1 5 3 7 , ▁the ▁reg ent ▁of ▁I xt la hu aca