42 Computer services; information technology services; design and development of computer hardware and software; design and development of computer systems; design and development of information technology systems; computer programming; analysis, installation, implementation, integration, maintenance, upgrade of computer systems, information technology systems, computer software or computer hardware; support services for computer systems, information technology systems, computer software or computer hardware; services relating to environmental protection; environmental protection auditing; analysis of environmental protection in business; computer systems, information systems, computer software and computer hardware services in relation to environmental protection; information, advice and consultancy services relating to all the aforesaid; consulting services relating to computer systems, information technology systems, computer hardware and computer software; consulting services in relation to selection of computer systems; consulting services in relation to environment protection issues