Information technology computer consulting, namely, enterprise computing consulting of systems supporting company operations; datacenter class design, namely, computer network design for others; consulting services in the field of design, selection, implementation and use of computer storage area network hardware and storage area network software systems for others; information technology help desk services, namely, monitoring the computer systems of others for technical purposes and providing back-up computer programs and facilities; information technology help desk services, namely, troubleshooting of computer hardware and software problems; infrastructure performance management services, namely, computer network design for others and computer systems monitoring software design for others, computer consulting services in the field of determining when to change software and managing existing software applications; computer consulting in the field of local area network and wide area network analysis and implementation; computer software consultation in the field of voice over the Internet telephony software applications