Trade unions, cooperatives, and associations of informal workers that have been active in WIEGO are invited to become Institutional Members. As of September 2018, the following membership-based organizations of informal workers were Institutional Members of WIEGO.
- International Domestic Workers Federation (IDWF)
- International Union of Food and Allied Workers (IUF)
- StreetNet International
- All India Federation of Self Employed Women’s Association (SEWA Bharat)
- Kagad Kach Patra Kashtakari Panchayat (KKPKP)
- Self-Employed Women’s Association (SEWA)
Read the WIEGO MBO Newsletter, a newsletter for membership-based organizations (MBOs) of informal workers.