computer consultation services; custom computer software design and development services for others; website design and development services for others; providing consultation on the use, integration and operation of computer software programs and the updating of computer software programs services; advise regarding use and application of computers, computer systems and development of computer systems; services of computer scientists, among others the development of computer systems; advising with respect to information technology; development of computer software and Internet-sites; installation, maintenance and updating of software; procurement services, namely, purchasing computer hardware and software for others; project management in the fields of information systems design, specification, procurement of computer hardware and software for others; business information consulting services in the field of business change management, business process management, business strategic management and planning consulting services, and business technology;