computer services, namely, designing, engineering and providing computer software for others for use on the global computer information network and in the fields of interactive advertising, integrated marketing, interactive media, e-commerce, and industrial automation; computer services, namely, designing, developing and implementing network web pages for others; computer services, namely, maintaining and managing the websites of others; computer services, namely, hosting the web sites of others on a computer server for a global computer information network; integration of computer systems and networks