All types of small-scale industries found in India whether in manufacturing sector or service sector are divided into five types:
1. Manufacturing Industries:
Those units which are producing complete articles for direct consumption and also for processing industries are called as manufacturing industries. For example : Powerlooms, engineering industries, coin industries, khadi industries, food processing industries etc.
2. Ancillary Industries:
The industries which are producing parts and components and rendering services to large industries are called as ancillary industries.
3. Service Industries:
Service industries are those which are covering light repair shops necessary to maintain mechanical equipments. These industries are essentially machine- based.
4. Feeder Industries:
Feeder industries are those which are specialising in certain types of products and services, e.g. casting, electro-plating, welding, etc.
5. Mining or Quarries.