1. Design, installation, maintenance, and repair services of computer software program and data, namely computer software design, maintenance and updating services, computer software and data recovery services
2. Rental and lease services of computer, namely computer rental and lease services, computer peripheral device rental and lease services, computer software program rental and lease services, computer data base rental and lease service
3. Consulting services in the field of computer, namely consulting services in the field of computer hardware, consulting services in the field of computer software