GS0351: Business management consultation services namely business strategy and plan development; business organizational consultation services; business process re-engineering, and research and analysis services
GS0371: Installation, implementation, maintenance and repair of computers, computer systems, computer networks and hardware
GS0381: Telecommunications consultation services in the fields of satellite systems, wireless systems, and telephone systems
GS0411: User training in the field of computers, computer software, and computer systems
GS0421: Technology consultation services in the field of information technology, namely, computer software design, development and integration, and software maintenance services; computer network and hardware design, development, and integration services; technical consultation services in the field of information security; and development, selection, analysis, and research of information technology architecture, namely, computer systems, for others