42 Professional and technical services and consulting services related to computer software, hardware and computer systems development, computer networks, computer file and applications software; computer systems analysis; computer software design for others; computer services, namely, research, design and implementation of computer systems integration and customized computer software and computer network systems for others; consulting services in the field of design, selection, implementation and use of computer hardware and software systems for others; computer project management services; computer programming for others; consulting services in the field of information technology