(i) Business Services : Business services are those services which are used by business enterprises for the conduct of their activities. For example Banking, Insurance, Transportation, Warehousing and Communication.

(ii) Social Services : Social services are those services generally provided to improve people's standard of living. For example health care, education.

(iii) Personal Services : Personal services are those services which are experienced differently by different customers. For example : tourism, recreational services, restaurants.