Computer network configuration services; Computer network design for others; Computer programming and maintenance of computer programs; Computer software installation and maintenance; Creation and maintenance of web sites for others; Creation, design, development and maintenance of Web sites for third parties; Design, deployment and management of wireless networks for others; Design, development, installation and maintenance of computer software; Design, installation, updating and maintenance of computer software; Installation, maintenance and repair of computer software; Maintenance and updating of computer software; Technical support, namely, monitoring of network systems