AECOM Secures $151 Billion Missile Defense Contract

Event summary

  • AECOM was awarded a position on the U.S. Missile Defense Agency’s Scalable Homeland Innovative Enterprise Layered Defense (SHIELD) contract.
  • The SHIELD contract has a ceiling of $151 billion, structured as an indefinite-delivery/indefinite-quantity agreement.
  • The contract covers a broad range of professional services, including facility modernization and support for operational readiness.
  • AECOM’s revenue in fiscal year 2025 was $16.1 billion.

The big picture

The SHIELD contract represents a significant win for AECOM, solidifying its position as a key provider of infrastructure services to the U.S. government. The indefinite-delivery/indefinite-quantity structure suggests a long-term commitment from the Missile Defense Agency, but also introduces uncertainty regarding the ultimate value of the award. This contract underscores the growing importance of defense spending in AECOM’s revenue mix, which could be subject to geopolitical volatility.

What we're watching

Contract Execution
The sheer scale of the SHIELD contract ($151 billion) presents significant execution risk for AECOM; monitoring project margins and potential cost overruns will be crucial.
Competition Dynamics
Given the contract's size and scope, AECOM will likely face intense competition for task orders; assessing their win rate and pricing strategy will be important indicators of success.
Political Risk
The contract's reliance on continued government funding exposes AECOM to potential political shifts and budget cuts; tracking legislative developments related to missile defense will be necessary.

Related topics

Revenue