computer hardware, firmware, systems, and downloadable software for use in the telecommunications field; telecommunications and data networking equipment
Electrical and Scientific Apparatuscomputer software, hardware, firmware, and system development for others in the field of telecommunications; consulting services in the field of design, selection, and implementation of computer software, hardware, firmware, and systems for others in the field of telecommunications; and technical support services, namely, troubleshooting of computer software, hardware, firmware, and system problems
Computer and Scientific