The purpose of marketing research is on the establishment and operation of an internal research department. The nature of research is a long term operation is always efficient and profitable than an ad hoc enquiry. Routine work is applicable in terms of regular investigation of similar products or within specific markets. An internal section enlarges, so can the research needs of the firm and vice versa. It is top management which gives the lead. A plethora of work may delay the completion of reports on time, and soon the inevitable cry for additional staff will be heard. Divisional or group sections must have a degree of autonomy; and they must be responsible direct to the peripheral unit's marketing or managing director. The industrial marketing research agency operates in several fields, but uses limited techniques, tends to be more objective, but is still somewhat biased in its research approach. Finally, it have been summarised by the US Small Business Administration.