42 Scientific research and development services; computer technology consultancy; software engineering services; technical support services, namely, technical consultation in the field of computer aided engineering; research and development services for others in the field of technology development for the defense, space, civilian, transportation, and intelligence markets; computer and telecommunications network design for others; computer system integration services for integrating telecommunications systems with computer networks; computer systems engineering services; computer software design and development services for others; computer hardware development services; design, development, and testing of new products for others; computer network security consultancy; computer network security services, namely, restricting unauthorized access to information systems; computer network security services, namely, restricting unauthorized access to websites; IT integration services; computer systems integration services