Computer software design services for others, excluding software for paging services; technical support services, namely trouble shooting computer software problems in the field of data transmission on telecommunications networks, excluding support for paging services

retail stores featuring radio pagers and cellular telephones

telephone and radio paging services and two-way radio communication services

INSTALLATION AND MAINTENANCE SERVICES FOR POCKET PAGING MOBILE TELEPHONES AND RADIO PAGERS AND TWO-WAY RADIOS