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Companies & Affiliates

LDP employees - Gannett Fleming.

  • LDP Group, Inc., is the most recent addition to the Gannett Fleming network of companies.
  • This electrical engineering design consulting firm offers specialized expertise in power systems design, including substations and transmission lines, transit and rail power systems, instrumentation and control, and renewable energy such as wind and solar.

Through the Gannett Fleming families of companies, we have the breadth and depth of specialized resources and knowledge to address our clients’ most complex challenges and achieve their strategic and operational goals. Get to know each of our companies and affiliates, and learn more about their niche solutions for your unique needs.  

Our Family of Companies

Delivering Excellence and Innovation



    More than reprographics, GANCOM offers design to delivery print services that immediately sharpen your image. Learn more about GANCOM.

  • Gannett Fleming Architects, Inc.

    Gannett Fleming Architects, Inc.

    Gannett Fleming Architects, Inc. is a full-service architectural firm providing complete in-house architectural and engineering planning, design, and construction phase services using conventional design-bid-build methods or newer design-build methods. Our innovative, flexible, and sustainable designs transform our clients’ needs and identity into the built environment. Learn more about Gannett Fleming Architects.

  • Gannett Fleming IT Services

    Gannett Fleming's Information Technology (IT) Services

    IT Services is your source for computer consulting services, from desktops and networks to training and multimedia. Learn more about Gannett Fleming's IT Services.

  • Gannett Fleming Project Development Corp.

    Gannett Fleming Project Development Corporation

    Led by experienced engineering professionals, Gannett Fleming Project Development Corporation provides complete design-build/at-risk and construction management services to project owners for a variety of project types. Learn more about Gannett Fleming Project Development Corporation.

  • Gannett Fleming Valuation and Rate Consultants, LLC

    Gannett Fleming Valuation and Rate, LLC

    Gannett Fleming Valuation and Rate, LLC is North America's leading depreciation, valuation, and ratemaking consulting firm, servicing public utilities and railroads. Learn more about Gannett Fleming Valuation and Rate, LLC.

  • GeoDecisions


    Our enterprise geospatial IT division designs, develops, and deploys state-of-the-art technology tools and applications to improve business decisions. Learn more about GeoDecisions.

  • IETC Logo

    IETC, a Gannett Fleming Company

    IETC is a design-build electrical contractor, offering clients a full suite of electrical engineering, procurement, and construction services for turnkey projects. Learn more about IETC.

  • LDP - A Company of Gannett Fleming

    LDP Group, Inc.

    LDP Group, Inc. (LDP), an electrical engineering design firm based in Chicago, Illinois, has offered electrical design services for nearly eight decades, providing all aspects of power delivery engineering throughout the U.S., from feasibility studies and system analysis, to full energy systems and industrial networking design for both traditional and renewable applications. As a Gannett Fleming company, LDP continues operations from its offices in Chicago, St. Louis, Missouri, and Casa Grande, Arizona. Learn more about LDP.
  • TerraSure


    TerraSure provides environmental risk transfer solutions to property owners, developers, and investors dealing with contaminated sites. Through TerraSure, we provide site remediation services and guaranteed site closures under fixed-price contracts. Learn more about TerraSure.

  • Vertical Transportation Excellence

    Vertical Transportation Excellence

    The elevator/escalator consultants at Vertical Transportation Excellence (VTX) are trusted advisors to aviation, transit, commercial, healthcare, and government clients. For 15 years, clients have relied on VTX® to perform new design, modernization, inspection, and preventive maintenance. Learn more about VTX®.