Design & Engineering

We offer substation design and engineering services for all Transmission & Distribution (T&D) facilities.

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Construction & Implementation

We support a wide range of construction & implementation services.

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Project Management

We have the pros to manage your next turnkey project, no matter how complex or small.

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Excellence Is Our "Mission"

Providing superior services of excellent performance is our top priority for our customers by always surpassing their expectations.


Ensuring Our Clients Succeed

Understanding our clients needs for excellence is our main goal in ensuring our clients success in every endeavor.

Excellence is Our Mission!

Operating in Multiple States

3 Phase offers professional engineering services throughout the Southeastern United States and is licensed in Alabama, Colorado, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee, Texas, and Virginia.

Home Office located in Chattanooga, TN.

Putting Safety First in Everything We Do! Striving for 100% Accuracy on All Deliverables at Low & Affordable Rates!

Contact us for your next project...

Let us support your next project with excellent services.