> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/companies-in/cambridge-ma/non-profit-organizations/ # Nonprofit Organizations in Cambridge, MA The bigger nonprofit organizations headquartered in Cambridge, MA, with what they do, their sizes and how to reach their people. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** Among the nonprofit organizations counted in Cambridge, MA, the biggest by headcount range include Seed For Social Innovation, The Angiogenesis Foundation and Tanzanian Children's Fund. They are mostly very small: 81% have 50 or fewer employees. ## Which nonprofit organizations are in Cambridge? Among the companies whose public profile lists Non-profit Organizations as their industry and Cambridge, MA as their headquarters, the biggest by headcount range include Seed For Social Innovation, The Angiogenesis Foundation, Tanzanian Children's Fund, Enet and Hildebrand Family Self-Help Center. Names link to a company profile where we have one. | Company | Employees | | --- | --- | | Seed For Social Innovation | 201 to 500 | | The Angiogenesis Foundation | 51 to 200 | | Tanzanian Children's Fund | 51 to 200 | | Enet | 51 to 200 | | Hildebrand Family Self-Help Center | 51 to 200 | | Productcamp Boston | 51 to 200 | | Covid-19 Policy Alliance | 51 to 200 | | Mit Vista | 51 to 200 | | Mit Solve | 11 to 50 | | Cultural Survival | 11 to 50 | | Brazil Conference At Harvard & Mit | 11 to 50 | | Mothers Out Front | 11 to 50 | | Prime Coalition | 11 to 50 | | The Edredesign Lab | 11 to 50 | | Root Cause | 11 to 50 | | Science Club For Girls | 11 to 50 | | Masshire Metro North Career Center | 11 to 50 | | French Tech Boston | 11 to 50 | | Unitarian Universalist Service Committee Uusc | 11 to 50 | | New Economy Coalition | 11 to 50 | | Securebio | 11 to 50 | | 902 Youth | 11 to 50 | | Ecologic Development Fund | 11 to 50 | | Mit Club Of Boston | 11 to 50 | | Mit European Club | 11 to 50 | The table shows the 25 biggest by headcount range, with ties broken by audience size. The charts and percentages below cover every company counted for this page, not just these 25, and companies with fewer than 11 employees are not counted. Headquarters is the location on each company's public profile. ## What do nonprofit organizations in Cambridge do? Non-profit Organizations is a broad label. The most common NAICS codes among them are 541618 (25%), 624190 (25%) and 624410 (25%). **Figure: What nonprofit organizations in Cambridge do.** Bars for the share of counted nonprofit organizations with each code: 541618 25%, 624190 25%, 624410 25%, 813410 25%. *Share of counted nonprofit organizations in Cambridge by their NAICS code.* ## How big are they? 81% of the nonprofit organizations counted in Cambridge have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. **Figure: Size of nonprofit organizations in Cambridge.** Seven columns for the share of counted nonprofit organizations in Cambridge in each employee range: 11 to 50 81%, 51 to 200 16%, 201 to 500 2%, 501 to 1,000 0%, 1,001 to 5,000 0%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted nonprofit organizations in Cambridge in each employee range.* ## How nonprofit organizations compare - 81% of nonprofit organizations in Cambridge have 50 or fewer employees, against 71% across other cities on this site. ## How do you reach the people at nonprofit organizations in Cambridge? The people to talk to are usually executive directors and operations leaders. Build the list in three prompts to your AI agent. ### 1. Count them (free) Counting who matches never uses credits. ```text Use www.enrich.chat to count the nonprofit organizations in Cambridge, MA ``` ### 2. Find the people (5 credits per person) Name the roles you sell to. Each person returned is 5 credits, and name, title and company are included. ```text Use www.enrich.chat to find the executive directors and operations leaders at nonprofit organizations in Cambridge, MA, with their titles ``` ### 3. Get their work emails (10 credits each) An email is 10 credits only when one is found. Every email comes with a status: verified, catch-all or unknown. ```text Use www.enrich.chat to find the work emails for these people and tell me which ones are verified ``` ## More to explore Other industries in Cambridge: [Biotechnology Companies](https://enrich.chat/companies-in/cambridge-ma/biotechnology-research/)[Software Companies](https://enrich.chat/companies-in/cambridge-ma/software-development/)[Colleges and Universities](https://enrich.chat/companies-in/cambridge-ma/higher-education/)[Consulting Firms](https://enrich.chat/companies-in/cambridge-ma/business-consulting-and-services/)[Research Services Firms](https://enrich.chat/companies-in/cambridge-ma/research-services/)[Technology and Internet Companies](https://enrich.chat/companies-in/cambridge-ma/technology-information-and-internet/)[All of Cambridge](https://enrich.chat/companies-in/cambridge-ma/) Nonprofit Organizations in other cities: [New York, NY](https://enrich.chat/companies-in/new-york-ny/non-profit-organizations/)[Washington, DC](https://enrich.chat/companies-in/washington-dc/non-profit-organizations/)[Chicago, IL](https://enrich.chat/companies-in/chicago-il/non-profit-organizations/)[Los Angeles, CA](https://enrich.chat/companies-in/los-angeles-ca/non-profit-organizations/)[Houston, TX](https://enrich.chat/companies-in/houston-tx/non-profit-organizations/)[San Francisco, CA](https://enrich.chat/companies-in/san-francisco-ca/non-profit-organizations/)[Atlanta, GA](https://enrich.chat/companies-in/atlanta-ga/non-profit-organizations/)[Dallas, TX](https://enrich.chat/companies-in/dallas-tx/non-profit-organizations/)[Boston, MA](https://enrich.chat/companies-in/boston-ma/non-profit-organizations/)[Seattle, WA](https://enrich.chat/companies-in/seattle-wa/non-profit-organizations/) ## Frequently asked questions ### Which are the biggest nonprofit organizations in Cambridge? Among those counted, they include Seed For Social Innovation, The Angiogenesis Foundation, Tanzanian Children's Fund, Enet and Hildebrand Family Self-Help Center, ranked by headcount range. ### How big are nonprofit organizations in Cambridge? 81% of those counted have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. ### Which companies count as non-profit organizations? Companies whose public profile lists Non-profit Organizations as their industry and whose headquarters are in Cambridge, MA. ## Try this prompt Find the people at nonprofit organizations in Cambridge ```text Use www.enrich.chat to find the executive directors and operations leaders at nonprofit organizations in Cambridge, MA, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Biotechnology Companies in Cambridge](https://enrich.chat/companies-in/cambridge-ma/biotechnology-research/) - [Software Companies in Cambridge](https://enrich.chat/companies-in/cambridge-ma/software-development/) - [Colleges and Universities in Cambridge](https://enrich.chat/companies-in/cambridge-ma/higher-education/) - [Consulting Firms in Cambridge](https://enrich.chat/companies-in/cambridge-ma/business-consulting-and-services/) - [Nonprofit Organizations in New York](https://enrich.chat/companies-in/new-york-ny/non-profit-organizations/) - [Nonprofit Organizations in Washington, DC](https://enrich.chat/companies-in/washington-dc/non-profit-organizations/) - [Nonprofit Organizations in Chicago](https://enrich.chat/companies-in/chicago-il/non-profit-organizations/) - [Nonprofit Organizations in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/non-profit-organizations/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)