Computer diagnostic services; Computer disaster recovery planning; Computer network design for others; Computer security service, namely, restricting access to and by computer networks to and of undesired web sites, media and individuals and facilities; Consultation services in the fields of selection, implementation and use of computer hardware and software systems for others; Design of computers for others; Information technology consultation; Integration of computer systems and networks; Monitoring the computer systems of others for technical purposes and providing back-up computer programs and facilities; Periodic upgrading of computer software for others; Technical support services, namely, troubleshooting of computer hardware and software problems