Castellum subsidiary GTMR adds Professional Services SIN 541611 to GSA MAS contract

Castellum, Inc.

GTMR added SIN 541611 (management/financial consulting, acquisition support, program management) to its GSA MAS contract.
Previously held SINs for engineering, testing, system design, and R&D services.
New SIN allows GTMR to bid on competitive RFQs/RFPs in professional services.
COO Drew Merriman highlights organic growth and ability to leverage joint ventures with this expansion.

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