The Service Tree lists all services in "branched" groups, starting with the very general and moving to the very specific. Click on the name of any group name to see the sub-groups available within it. Click on a service code to see its details and the providers who offer that service.
Wireless Service Providers
Taxonomy Code: BV-9000.9600
Companies that offer transmission services to users of wireless devices (handheld computers and telephones) through radio frequency (spectrum) signals rather than through end-to-end wire communication.