Scientific and technological services, namely, systems architecture design and systems integration, model-based systems engineering, mathematical and computational modeling, market design, and operations research; verification, validation, and quality assurance of engineered systems; monitoring, risk management, and lifecycle management of engineered systems; design and development of computer software for simulation, modeling, knowledge representation and management, and artificial intelligence applications; all of the foregoing in the field of complex systems engineering, including sociotechnical, sociomaterial, and cyber-physical systems.