Tetra Tech, Inc. (NASDAQ: TTEK), a leading provider of high-end consulting and engineering services in water, environment, and sustainable infrastructure, announced today that the Defense Logistics Agency (DLA) has awarded the Company a $14 million task order under the J6 Enterprise Technology Services (JETS) 2.0 contract to provide information technology (IT) and operational technology (OT) support for its global supply chain modernization program.