Great Southwestern Construction, Inc.

gswFounded in 1977, Great Southwestern Construction, Inc. (Great Southwestern) started as a small general contractor performing high voltage utility work in Colorado, Arizona and New Mexico. Throughout the years, Great Southwestern developed a reputation as a leader in the high voltage construction industry.  Today, Great Southwestern has grown to over 200 employees with the ability to perform high voltage construction and renewable energy construction in 26 western states. Areas of expertise include transmission line construction, substation construction, distribution construction and renewable energy projects.

For more information, visit Great Southwestern Construction’s website at

Great Southwestern Office Locations & Contact Information

Castle Rock, Colorado
1100 Topeka Way, Castle Rock, CO 80109
(p) 303-688-5816 (f) 303-688-4416

Tahlequah, Oklahoma
17980 S Muskogee Ave, Tahlequah, OK 74464
(p) 918-458-0888 (f)918-458-0610

Corpus Christi, Texas
2209 N. Padre Island Drive, Suite Y, Corpus Christi, TX 78408
(p) 361-289-2553 (f)

El Paso, Texas
1035 Pendale Road, El Paso, TX 79907
(p) 915-856-8766 (f) 915-595-9989

Mansfield, Texas
99 Regency Parkway #113, Mansfield, TX 76063
(p) 682-518-1303 or 682-518-1307