• TEI Safety Program
    It’s more than just
    compliance...
    Our Employees OWN IT!
    Learn More »
  • Olde Towne Center, Gaithersburg, MD

    Project experience ranging from commercial spaces to government installations.

    Where Experience
    Meets Innovation.
    View portfolio »
  • front-office

    Customer-Oriented.

    Results-Driven.

    Where Experience
    Meets Innovation.
    Learn More »
  • Full Electrical Construction Services

    Offering complete electrical and specialty construction services, along with design/build experience and solutions.

    Learn More »

Complete Electrical Systems in the Mid-Atlantic Region

Latest News »

TEI 1st Annual Golf Tournament

Posted December 14, 2016

The TEI staff stepped up to the plate and partnered with Habitat for Humanity of Frederick County this past August in effort to raise money… [more]

ABC 2015 STEP Award

Posted August 3, 2015

TEI Construction was awarded the 2015 STEP Award from the ABC Baltimore Chapter. The STEP Award is given to companies that meet or exceed Safety… [more]

Concentrating on Electrical Services, TEI provides quality workmanship in all aspects of new construction and renovation projects for both public and private sector clients. With our knowledgeable and seasoned in-house construction professionals, TEI is experienced in a broad variety of facility types, including:

  • Data Centers
  • Research Laboratories
  • Health Care Facilities
  • Secure Buildings
  • Office/Administrative
  • Military Installations
  • Educational
  • Industrial

In addition to performing typical General Construction services, TEI also offers Design/Build Capabilities and Construction Management services, allowing our clients to select the project delivery system which best suits their needs. Our Electrical Prefabrication Shop allows us to reduce project costs, accelerate installation schedules, and minimize disruptions to building occupants during construction.