CASTALIA SYSTEMS LLC

CASTALIA SYSTEMS LLC specializes in research and development for physical and engineering sciences, computer systems design, and mission-critical computing infrastructure services. The company delivers end-to-end technical solutions including systems architecture, data processing platforms, and engineering support tailored to federal mission needs. Their expertise spans secure cloud-hosted environments, infrastructure modernization, and integrated service delivery frameworks, with a strong focus on compliance-driven design and scalable IT ecosystems. As a Women-Owned Small Business, CASTALIA brings a differentiated perspective to government contracting, emphasizing agile development, responsive service delivery, and mission-aligned innovation in high-stakes technical environments. The contractor maintains a consistent presence with the General Services Administration, supporting large-scale governmentwide acquisition contracts such as OASIS+ and 8(a) STARS III, where they provide research, systems design, and integrated technical services. They also deliver critical engineering and computing infrastructure support to the Department of Defense under programs like SEAPORT-NXG, demonstrating experience in defense-specific IT modernization and operational systems sustainment. CASTALIA’s primary technical focus lies in NAICS 541715 (R&D in physical and engineering sciences) and 541512 (computer systems design), indicating deep capability in applied research, systems engineering, and custom software solutions for federal clients. Their work supports defense, civilian, and acquisition modernization initiatives, positioning them as a trusted technical partner in complex, compliance-heavy federal environments. As a Women-Owned Small Business headquartered in Odessa, Florida, CASTALIA leverages its small business status to deliver nimble, high-quality services under GSA and DoD contracts. The company holds full WOSB and WBE certifications, enhancing its eligibility for set-aside opportunities and reinforcing its commitment to diversity in federal contracting. Their geographic presence supports nationwide operations with a strategic focus on federal procurement ecosystems.