We provide services from planning to construction to conversion to maintenance, all completed with a focus on safety and quality.

We have seasoned crews and more than three generations of transmission experience in our portfolio – you can depend on us for safe and quality service.

We’re a full-service substation contractor with an unparalleled commitment to safety and quality, offering system maintenance and repairs in addition to large-scale design/build ventures.

Our experience allows us to expertly and safely provide crucial services to our customers in every stage of a project’s lifecycle.

Our Emergency Deployment Program provides storm teams in a safe and timely matter to any region affected by natural disasters.

Our safety-award winning company performs installations, repairs and maintenance that meet the needs of an increasingly competitive natural gas marketplace.

Our approach uses our diversity and flexibility to keep projects on schedule and on budget – providing the exceptional quality needed to help clients reach their goals.

Electrical Testing Company (ETC) is an INTREN company offering dielectric testing services specializing in the testing and sales of electrical protective products. With more than 20 years of testing experience working nationwide with utilities, mining, and other commercial industries, the ETC certified testing facility can accommodate any job, large or small, while delivering on our dedication to outstanding customer service and quality.

In-House Testing Facility

• Rubber Gloves (Class 00 – Class 4), Sleeves, Blankets, and Line Hoses

• Live-Line Tools (Hot Sticks)

• Line & Truck Equipment and Grounds

• Line Hoses

• Product Sales

• Glove Protectors

• Glove & Sleeve Bags

• Full Line Salisbury Distributor

Shade Tree Service Company (STSCO) was acquired by INTREN in December 2021, further expanding our vegetation management capabilities.

Line clearance

Storm response

Mowing

Herbicide application

Work planning

With a strong focus on safe and reliable power transmission, we help keep electrical lines clear by using environmentally-friendly pesticides and removing hazardous trees.

Miller Construction Company was acquired by INTREN in June 2018.

Miller Construction Company is a full-service electrical contracting company, providing deep expertise and services throughout the Midwest in overhead transmission and distribution, along with emergency storm restoration services, nationwide. Miller also provides extensive in-house project management and estimating, along with vegetation management and electrical testing services.

Our flexibility and experience allow us to see problems and solutions before the job starts, and permit us to work in highly populated areas without disturbing local communities.