Castellum, Inc.’s Subsidiary GTMR Adds Professional Services to its Current GSA MAS Contract

VIENNA, Va., April 15, 2025 (GLOBE NEWSWIRE) -- Castellum, Inc. (NYSE-American: CTM) (“Castellum” or “CTM”), a cybersecurity, electronic warfare, and software engineering services company focused on the federal government, announces that its subsidiary Global Technology and Management Resources, Inc. (“GTMR”) has added Special Item Number (“SIN”) 541611 to their existing General Services Administration (“GSA”) Multiple Award Schedule (“MAS”) contract. SIN 541611 now allows GTMR to bid on competitive contracts related to management and financial consulting, acquisition and grants management support, and business program and project management services. GTMR’s existing GSA MAS contract includes SIN 541330ENG engineering services, 541380 testing laboratory services, 541420 engineering system design and integration services, and 541715 engineering research and development and strategic planning.

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