42 Computer-aided engineering services for others; Computer software development and computer programming development for others; Design, deployment and management of wireless computer networks for others; Engineering design services; Engineering services, namely, engineering for the utility, industrial, transportation, building, mining, commercial, aerospace, power, defense and government industries; IT consulting services relating to installation, maintenance and repair of computer software; Professional computer services, namely, network analysis, LAN/WAN design, wireless engineering, virtualization and computer project management; Scientific research and development