[Class : 42] Computer Software Development; Software Development Services; Computer Software Development Tools; Software Design And Development Services; Development Of Data Processing Software; Development And Testing Of Software; Development Of Computer Database Software; Design, Development And Implementation Of Software; Research And Development Of Computer Software; Computer Software Design, Development And Programming Services; Development Of Software For Secure Network Operations; Development And Maintenance Of Computer Database Software; Design And Development Of Data Retrieval Software; Research, Development, Design And Upgrading Of Computer Software; Engineering Consultancy; Telecommunications Engineering Services; Information Technology Engineering; Engineering Services In The Field Of Communications Technology; Software Engineering Services For Data Processing Programs; Consultancy And Information Services Relating To Information Technology; Platform As A Service [Paa S]; Software As A Service [Saa S].