37
Installation, maintenance and repair of computer networks; repair and maintenance of computers
42
Computer system design and engineering services for others, computer programming for others, computer system integration services for others, computer hardware and software design for others, engineering, and computer and telecommunications network design for others, software application development and integration services of computer systems and networks in the fields of defense, environment, aerospace, aeronautical, intelligence, counter-intelligence, signals intelligence, simulation, national security, information assurance, information technology, drug enforcement, and secure computer communications and network infrastructures; computer security services, namely, restricting access to and by computer networks to and of undesired web sites, media and individuals and facilities; testing and design of new products for others; computer services, namely, website development and design services for others, web-based software application development for others; designing secure web sites for others; communications network disaster recovery planning services; computer data recovery services; computer services, namely, forensic analysis of computer crimes for others, computer recovery operations for others, forensic analysis of computer media for others, analysis of digital encryption and decryption for others; computer services, namely, providing secure digital authentication support for others; computer services, namely, analysis of computer and computer network intrusion for others; computer services, namely, communications network planning and management services for others; computer services, namely, providing computer network simulation services and penetration testing services for others; data warehousing and document management services for others; computer services, namely, designing secure enterprise messaging services for others; technical support services, namely, troubleshooting of computer hardware and software problems; design and development of computer multi-media software applications
45
Monitoring of computer systems and networks for security purposes