Computer programming and maintenance of computer programs; Computer services, namely, on-site management of information technology (IT) systems of others comprised of specify particular components of the IT systems, e.g., electronic messaging systems, software applications, etc.; Computer services, namely, remote and on-site management of the information technology (IT) cloud computing systems of others; Data security consultancy; Design, installation, updating and maintenance of computer software; Homepage and webpage design; Product development for others; Product research and development; Providing an Internet website portal offering information in the field of computer-aided design; Research, development, design and upgrading of computer software; Testing of computer programs