IDIQ Contracts

Over the years, McMullan has established itself as a highly rated Prime Engineer and Structural Sub-consultant for various IDIQ contract vehicles with federal, state, and municipal agencies, as well as institutions and public systems for learning (K-12 and higher education). Since 1988, McMullan has been part of more than 160 IDIQ contract teams.

As Prime Engineer, we have led a total of 20 prime structural/civil/seismic/security engineering IDIQ contract vehicles to date. Our prime engineer contracts involve architecture, civil and MEP engineering, cost estimating, and active project management with quality control/construction inspections. We also specialize in providing a wide variety of structural engineering services under IDIQ contracts that require rapid response and creative solutions. Approximately, 75% of our work is under task order contracts for which most are related to repair and renovation projects.

Below is a partial listing of our IDIQ contract clients:

  • Stafford County Public Schools

  • Union Station Redevelopment Corporation

  • University of Virginia

  • USDA Forest Service Southern Region

  • US Department of Defense

  • US Department of Energy

  • US Department of Justice

  • US Holocaust Museum

  • Virginia Community College System

  • GSA (Nationwide Prime No. 47PA0117D0001 & Multiple Regions)

  • Maryland-National Capital Park & Planning Commission (Metropolitan Washington Council of Governments—Rider Clause Eligible)

  • National Institute of Standards and Technology

  • National Park Service (Multiple Regions)


  • Northern Virginia Community College

  • Smithsonian Institution

IDIQs: Global & Nationwide Experience

Further, McMullan has attained worldwide project experience through these contracts that includes Europe, Africa, Asia, the Middle East, the United States (as shown below) and its territories of Guam, Northern Mariana Islands, Puerto Rico, and the US Virgin Islands.