Headquarters
Moore
Antlers
Norman
Ardmore
Lawton
Tulsa
Tulsa
Denver
Colorado Springs
Dallas/Fort Worth
Paris
Sulphur Springs

Headquarters
615 N Hudson Avenue, Suite 300
Oklahoma City, OK 73102
Phone
(405) 815-3600
Fax
(405) 815-4080
Our Locations
EST has offices throughout Colorado, Oklahoma, and Texas. Click on a state to view office locations.