Great Southwestern Construction Inc

$380.0M revenue • 506 employees • 1100 Topeka Way, Castle Rock, CO, 80109, United States

Last Updated Jun 11, 2025

Company Overview

Company Name

Great Southwestern Construction Inc

Address

1100 Topeka Way, Castle Rock, CO, 80109, United States

Website

gswc.us

Approx. Annual Revenue

$380.0M

Employees

506

Established

2003

About Great Southwestern Construction Inc

Great Southwestern Construction is an electrical contractor based in Castle Rock, Colorado, with approximately 506 employees. Established in 2003, the company provides a range of electrical construction services, including transmission, distribution, substation, and clean energy facilities, to utilities, municipalities, government entities, and private developers across the United States.

Frequently Asked Questions about Great Southwestern Construction Inc

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Key Decision Makers

Brandon Lark President
Jim Wells Procurement Manager
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