Castellum, Inc. announced a $32.8 million contract modification for its GTMR subsidiary to support the Naval Air Systems Command (NAVAIR) PMA-290 Special Missions program. This award increases the total contract ceiling to $136.2 million and represents the largest prime contract win in the company's history. Approximately $1.1 million is currently funded, with work on that portion expected to conclude by March 2027; the remaining balance is subject to future tasking and funding availability. The scope covers technical and programmatic efforts for intelligence, surveillance, reconnaissance, and targeting programs, including P-8A and MQ-4C Triton systems. Castellum, Inc. operates in the cybersecurity, electronic warfare, and software services industry, providing technology solutions to U.S. government clients.

Castellum, Inc. announced that a subsidiary won a $4 million U.S. Navy ADMACS Modernization Subcontract. The company will also present at the Maxim Group Defense Tech and Domestic Supply Chain Virtual Conference on June 25, 2026. Castellum, Inc. operates in the defense technology sector providing specialized solutions for government and military applications.

Castellum, Inc. announced on June 15, 2026, that its joint venture won a $250 million U.S. Navy logistics IT multiple award contract. Castellum, Inc. operates in the technology and logistics sectors, providing IT solutions for government and defense sectors.