January 8, 2026 — Leads & Copy — Tetra Tech, Inc. has been awarded a contract for the Missile Defense Agency Scalable Homeland Innovative Enterprise Layered Defense (SHIELD) indefinite-delivery/indefinite-quantity (IDIQ) contract with a ceiling of $151 billion, the company said today.
The contract encompasses a broad range of work areas that allows for the rapid delivery of innovative capabilities to the warfighter with increased speed and agility.
Tetra Tech is a leading provider of high-end consulting and engineering services in water, environment, and sustainable infrastructure. With more than 25,000 employees, Tetra Tech provides clear solutions to complex problems by Leading with Science® to address the entire water cycle, protect and restore the environment, and design sustainable and resilient infrastructure.
For more information about Tetra Tech, visit tetratech.com or follow the company on LinkedIn and Facebook.
Source: Tetra Tech
