Organizations – Propel Philanthropy

Welcome to our Global Directory!

Disclaimer- Propel Philanthorpy offers free listings to all social impact infrastructure organizations. However, we do not publicly endorse those within our listings. Learn more here.

What are Social Impact Infrastructure Organization (SIIO)? Social impact infrastructure organizations (SIIOs) are the accelerators, connectors, conveners, educators, platforms, orchestrators, researches, and trainers that enable the rest of us to effectively impact change. Some SIIOs help their funding members give away billions of dollars more effectively. Some increase social impact investments, accelerate innovations, improve the capacities of nonprofit and civil society organizations, partner with governments and other sectors, and more.

Why Support Social Impact Infrastructure Organizations?

Because of their far reach, there are times when even small grants to SIIOs can drive big results. We have collected numerous examples on our Stories of Impact Page.

NEID Global

Donor Support

For over 15 years NEID Global has been creating community among internationally focused donors to help address the world’s big problems. They offer rich and nuanced programming about international development and philanthropy to donors with a wide range of giving capacities. Their membership is diverse in interest and geographic focus, and their programming seeks to offer cross-siloed learning.

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Impact Report

Updated on: May 20, 2025

National Council of Nonprofits

Nonprofit Support

Communities thrive when nonprofits succeed. The National Council of Nonprofits (NCN) is a steadfast champion and trusted resource for the nation’s 1.5 million charitable nonprofits. Our member network of state associations of nonprofits forms the largest sector-wide nonprofit network in the country.

NCN drives change for the nonprofit sector through our tireless advocacy, effective communication, education, and capacity building. These efforts advance a more connected and powerful nonprofit community equipped to champion the public good.

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Updated on: February 6, 2025

Nexus Global

Donor Support

NEXUS serves to unite next-gen philanthropists, impact investors, and social entrepreneurs to tackle the most pressing issues of our time. NEXUS has over 6,000 members from over 70 countries, working to catalyze new leadership to accelerate solutions to global problems. Our mission is to unite next generation philanthropists, impact investors and social entrepreneurs to bring about the most promising global solutions of our generation.

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Updated on: January 30, 2025

Directory of Social ImpactInfrastructure Organizations

Welcome to our Global Directory!

Directory of Social Impact
Infrastructure Organizations