Specializing in High Voltage Transmission Construction

A proven team of industry leaders who understand the importance of safety, schedule, and teamwork.

safe, quality, and on-schedule construction

With an exclusive focus on transmission construction, Spartan provides transmission project sponsors a highly qualified contractor capable of delivering the most challenging and complex transmission projects safely and on schedule. The team’s project resume includes successfully completing several transmission projects that are critical to the U.S. power grid.

Spartan’s capabilities include specialized transmission construction methodologies such as helicopter-aided construction, limited access, disturbance minimization, and sensitive terrain construction. The Spartan team has worked with the largest and most sophisticated utility and government agency customers and has consistently completed complex transmission projects safely and on schedule.

Company Culture is the
Key Differentiation

With more than 30 years of technical and construction experience, Spartan provides the in-depth industry knowledge and expertise required to execute large, complex transmission projects with a clear vision to success.

The foundation of our proven team is built on our commitment to safety, quality, environmental compliance, and industry-leading performance.


Specializing in High Voltage Transmission Line Construction

Spartan’s value offering to customers is our proven ability to self-perform all major components of transmission line construction. Our core values are the foundation to safe, quality, and on-schedule construction.

Material Procurement & Logistics

ROW Clearing/ Access Road Construction


Structure Installation

Conductor & OPGW Installation

Restoration Services - Voltage Tower

ROW Cleanup & Site Restoration

Project Monitoring and Controls

Specialized Equipment Fleet

Specialized equipment fleet enables self-perform capability of all major aspects of transmission construction

Civil, Access Roads & EMS

Crew Trucks


Aerial Equipment

Wire Stringing


Project Experience


Spartan has established a proven track record of industry-leading safety, quality, and performance. We take pride in consistently delivering the specialized heavy equipment resources, technical services, and construction personnel required to complete complex transmission projects safely and on schedule.

Coolidge to Valley Farms 115kV Rebuild Project

Awarded the procure and construct project in 2019, Spartan successfully completed the project six weeks ahead of schedule, and received an exceptional performance review.

Taygete Solar 138kV Transmission Line Project

Taygete Solar 138kV Transmission Line Project Spartan’s acceleration plan enabled a high rate of safe production that allowed our customer to meet its required interconnection date

Solstice to Bakersfield 345kV

Spartan mobilized critical personnel and equipment to complete wire installation within a compressed
project schedule