There are 28 SISIs and 30 Branch SISIs set up in State capitals and other industrial cities all over the country. The main activities of these institutions are as follows:-
- Assistance/Consultancy to Prospective Entrepreneurs
- Assistance/Consultancy rendered to existing units
- Preparation of State Industrial Profiles
- Preparation/Updation of District Industrial Potential Surveys
- Project Profiles
- Entrepreneurship Development Programmes
- Motivational Campaigns
- Production Index
- Management Development Programmes
- Skill Development Programmes
- Energy Conservation
- Pollution Control
- Quality Control & Upgradation
- Export Promotion
- Ancillary Development
- Common Facility Workshop/Lab.
- Preparation of Directory of Specific Industry
- Intensive Technical Assistance
- Coordination with DICs
- Linkage with State Govt. Functionaries
- Market Surveys
- Other Action Plan Activities assigned by Headquarters
SISIs and its Branches have common facility workshops in various trades. There are at present 42 such common facility workshops attached to SISIs/Branch SISIs.

