The main ways of information service companies:
(1) information retrieval service: according to users' needs or problems, we can quickly and accurately find out valuable materials and data that meet users' needs from various databases or information systems.
(2) Information reporting and publishing service: Information institutions collate, process, evaluate, study and select a large amount of data and information, and then report them in time to meet the information needs of users.
(3) Information consulting service: a special consulting activity to help users solve information problems.
(4) Network information service refers to all activities such as information collection, processing, storage, transmission, provision and utilization by information institutions and industries using modern technologies such as computers, communications and networks under the network environment.