We are a minority-controlled transmission and distribution construction firm that safely and smartly engineers, procures and builds utility and telecommunications assets across America.
Transmission
Since 1996, we’ve safely delivered transmission line construction and live-line maintenance projects to our clients, on time or ahead of schedule and within budget.
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Distribution
Distribution services are in our blood at Three Phase. Whether it’s new construction or power restoration after major events, our crews safely deliver the full range of services.
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Substations
Many industry experts believe a substation is a utility’s most critical asset. Building, operating and maintaining substations is expensive.
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Utility and telecommunications companies call on Three Phase Line Construction Inc. for complex and critical projects including siting and building transmission lines, constructing windfarm collection systems, installing cell antennas and distribution lines, restoring power and putting in underground cable and transformers. Our teams regularly take on barehand work up to the highest voltages, expertly meet environmental regulations and give customers an unparalleled level of reporting and communication until the job is done. Three Phase is a minority-controlled company with national headquarters in Rochester, N.H.
Featured Projects
Three Phase News
UtilityProducts.com Covers Three Phase Line Construction Ameren ‘Eagle Award’
At Ameren’s St. Louis headquarters, Three Phase Line Construction was presented today with Ameren’s prestigious “Eagle Award” for the contractor’s exceptional performance a
10 May, 2022
Three Phase Line Construction earns Ameren ‘Eagle Award’ for exceptional safety
At Ameren’s St. Louis headquarters, Three Phase Line Construction was presented today with Ameren’s prestigious “Eagle Award” for the contractor’s exceptional performance a
10 May, 2022
A chance meeting sparked a utility industry career for Christina Magoon
Before joining Three Phase Line Construction, Christina Magoon had worked for an entrepreneur with several businesses including a commercial and residential construction fi
02 December, 2021
What our clients say
"What’s great about Three Phase is its communication with me via daily, detailed reports of what’s been done, what’s planned for the day and tomorrow.”
Our Clients
Contact us now for your next T&D project