ADN vs CTM Comparison

Advent Technologies Holdings Inc is an innovation-driven company in the fuel cell and hydrogen technology space. The company develops, manufactures, and assembles complete fuel cell systems and the critical components that determine the performance of hydrogen fuel cells and other energy systems. It serves automotive; aviation and power generation industries. It generates revenue from the sale of fuel cell systems and the sale of MEAs, membranes, and electrodes for specific applications in the fuel cell and energy storage (flow battery) markets.

Castellum Inc is engaged in providing information technology services. The company provides financial services, healthcare, and other users of large data applications with services that include intelligence analysis, software development, software engineering, program management, strategic and mission planning, information assurance, cybersecurity and policy support, data analytics, and MBSE. In addition to constantly innovating and enhancing organic capabilities, Castellum is acquiring technology companies in the areas of cybersecurity, information technology, electronic warfare, information warfare, and information operations with businesses in the defense, federal, civilian, and commercial markets.