Great Southwestern Construction, Inc.

Founded in 1977 by a Vietnam veteran in Colorado, it began as a regional electrical contractor.

Grew through major projects like Central Arizona Irrigation and multi

state transmission builds in the 1980s–90s.

Expanded nationwide after joining MYR Group in 2001, gaining financial strength and equipment scale.

Completes hundreds of projects annually across transmission, distribution, substations and clean

energy systems.

Operates under long

term master service agreements with utilities like Oncor and Georgia Power.

Typical projects include high

voltage lines (345 kV), substations, energized transmission and emergency restoration.

Standout feats include working through hurricanes Ida, Laura and Nicholas.

Safety is prioritized above all else, fostering innovation and improvement in safety practices to differentiate the company.

Respect is the foundation of interactions, creating a positive, productive, and inclusive work environment.

Responsiveness is emphasized, with a focus on providing timely, thorough, and accurate solutions in both routine and crisis situations.

Creativity is encouraged to explore new ideas and foster innovative approaches to doing business, positioning the company as a leader.

Integrity guides actions, building trust and supporting a sustainable future for all stakeholders.

Initiative is rewarded, recognizing self

starters and leaders who overcome obstacles and pursue improvement.

Teamwork is achieved through shared responsibility, effective communication, and common goals, facilitated by a diverse and collaborative workforce.

Comply with all applicable environmental laws and regulations; conduct operations to control and minimize potential environmental, health and safety risks.

From early project planning through post

construction develop environmental standards and mitigation tailored to terrain, wetlands, cultural and conservation

value sites.

Utilize mats, low

pressure equipment, and heavy

lift helicopters to avoid rutting and protect sensitive environments.

Train employees per HAZWOPER and respiratory protection standards; strict WM and disposal protocols for hazardous/non

hazardous waste.

Implement spill prevention control & countermeasure plans and storm water pollution prevention plans on all sites.

Develop and apply dust control plans and training before, during, and after dust

generating activities.

Offices use LED lighting, occupancy sensors, double

sided printing, no Styrofoam, remote collaboration; projects salvage & reuse materials, donate scrap to trade education.

Recognize water scarcity; implement measures to reduce impact on water supply.

Leverage climate

change risk awareness—e.g., extreme weather and water limits—in business strategy.

Provide electrical construction and EPC interconnect services for wind, solar, hydro projects to support decarbonization infrastructure.