The Small-Scale Sustainable Infrastructure Development Fund, Inc.

The Small-Scale Sustainable Infrastructure Development Fund, Inc. (S3IDF) (www.S3IDF.org) is a Cambridge, Massachusetts-based international non-profit 501c(3) organization that builds inclusive market systems to promote equitable economic and social development.  S3IDF's work positively impacts poor and underserved communities, strengthens local economies, and changes mindsets and international development processes.