Information Technology consulting services; planning, design and management of information technology systems; design, installation, updating and maintenance of computer software; computer services, namely, remote and on-site management of information technology (IT) systems of others; technical support services, namely, remote and on-site infrastructure management services for monitoring, administration and management of public and private cloud computing IT and application systems; consulting in the field of configuration management for computer hardware and software; maintenance and updating of computer software; maintenance and upgrading of computer software; computer programming