42 Design for others in the field of computer networks, software, and engineering for the fields of government intelligence, engineering, logistics, personnel administration, office administration, security, telecommunications, and information technology; Design, development and implementation of software; Design of computer hardware, integrated circuits, communications hardware and software and computer networks for others; Database development services; Consulting services in the field of design, selection, implementation and use of computer hardware and software systems for others; Information technology consultation; Providing quality assurance services in the fields of information technology, government intelligence analysis and support, systems engineering, structural analysis and engineering, mechanical engineering, thermal engineering, electro mechanical engineering and design, electrical and electronic engineering and design, tactical automated security systems, computer simulations and training and telecommunications; Providing planning and engineering services in the field of information and communications networks; Research in the field of intelligence and security; Design of mechanical, electromechanical and optoelectronic apparatus and instruments; Technology consultation and research in the fields of information technology, intelligence analysis and support, systems engineering, structural analysis and engineering, mechanical engineering, thermal engineering, electro mechanical engineering and design, electrical and electronic engineering and design, tactical automated security systems, physical security, AutoCAD design, computer simulations and training and telecommunications; Engineering services, namely, engineering for the fields of information technology, intelligence analysis and support, systems engineering, structural analysis and engineering, mechanical engineering, thermal engineering, electro mechanical engineering and design, electrical and electronic engineering and design, tactical automated security systems, computer simulations and training and telecommunications; Mechanical engineering; Thermal engineering; Electro mechanical engineering and design for others in the field of electro mechanical systems; Electrical and electronic engineering and design for others in the field of electro mechanical systems; Design of tactical automated security systems; Quality control for government and military agencies; Design of security systems for government and military agencies; Software implementation for government and security agencies; Engineering services, namely, government and military systems engineering