42 Computer hardware and software design, Computer programming and software design, Computer services, namely, integration of computer software into multiple systems and networks, Computer software consultancy, Computer software design for others, Computer software development, Computer software design, Computer software development and computer programming development for others, Computer software design and updating, Computer software installation and maintenance, Consulting services in the field of hosting computer software applications, Copying of computer software, Creating, maintaining, and modernizing computer software, Customizing computer software, Design and development of on-line computer software systems, Design and development of computer software, Design and writing of computer software, Design, development, installation and maintenance of computer software, Design, maintenance, development and updating of computer software, Developing and updating computer software, Installation, maintenance and repair of computer software, Maintenance of computer software, Periodic upgrading of computer software for others, Programming of computer software for others, Research, development, design and upgrading of computer software, Services for updating computer software, Technical support services, namely, troubleshooting of computer software problems, Updating and maintenance of computer software, Updating of computer software for others, Writing and updating computer software