Proper noun
Ark-La-Tex
A socio-economic region of the United States comprising the parts of Arkansas, Louisiana, Texas and Oklahoma around the borders between these four states.
He served tenures with Petrofac in Tyler, East Texas Drilling, Ark-La-Tex, Boring Pinnergy and finished his career with Scruggs, Inc. at Joaquin and Buffalo as a water well technician and salesman. Source: Internet