Classification of Industries by Size

Industries size are classified  into three types

1. Small-scale or Cottage Industry
2. Medium Business (SMB or SME)

3. Global Industry dominated by MNC.

Classifying Industries by Sector

There are Three types of sectors

Primary Industry :- The agricultural, farming and fisheries businesses come under this head.

Secondary Industry :- The industries that utilize machines, factories or human labor to convert raw materials into a processed final product. The manufacturing industries, or heavy industry, are typical examples of Secondary Industry types.

Tertiary Industry :- Services-based industries are known as tertiary industries. Retail, food & beverage and professional services are examples of Tertiary Industry.