Computer programming and software design; Computer services, namely, integration of computer software into multiple systems and networks; Computer software consultancy; Computer software consultation; Computer software design; Computer software design for others; Computer software design, computer programming, and maintenance of computer software; Computer software development; Computer software development and computer programming development for others; Computer software development in the field of education; Computer software development, computer programming and maintenance of computer software for education; Computer software installation and maintenance; Design and development of computer software; Design and writing of computer software; Design, development, installation and maintenance of computer software; Design, installation, updating and maintenance of computer software; Design, maintenance, development and updating of computer software; Developing and updating computer software; Developing computer software; Developing customized software for others; Maintenance of computer software; Programming of computer software for others; Research and development of computer software; Services for maintenance of computer software; Software authoring; Software design and development; Updating of computer software; Updating of computer software for others