This class includes the processing or tabulation of all types of data . This may consist of the complete processing and preparation of reports from data supplied by the customer. It may also be specialized, such as key-punching or other input preparation, conversion, such as card to tape, etc., optical character recognition, etc.

The services may be supplied either over-the-counter or via remote access terminals and may employ either the customer's or a proprietary program. Included is the provision of such services on an hourly or time-share basis. Also included is the management and operation of data processing facilities of others on a continuing basis.

Exclusions: Renting and leasing of computers and computer-related hardware and adding and calculating machines are classified in class 7123 (Renting of office machinery and equipment (including computers)).

Development of computer systems ready to use including programming is classified in class 7220 (Software consultancy and supply).

Maintenance and repair of computing machinery are classified in class 7250.