Trade divisions (professions division) – A person concentrates on the professional trade or service e.g. teaching , fishing.
Process division – Although in the same trade different people have their work being divided into a number of stages, activities or processes each being undertaken by a different group of people.
Regional or Territorial specialization – Two or more firms on the same product to complete the production process e.g. firm may undertake the processing of cotton whereas as B does the packaging.
Nationalized specialization – Based on soils , climates , skills and costs of production. Applied in International trade whereas a country concentrates on the production of a particular commodity or supply of service e.g. Kenya is known for coffee production.