Company lists · Data refreshed September 2026

Top 25 Social impact organizations based in the United States

Name: Social impact organizations based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 1,145 companies tracked

RevenueBase identified 1,145 social impact organizations headquartered in the United States as of September 2026 and tracks 10,706 professional contacts across them, including 2,539 with verified work emails. New York is the largest hub.

This list covers social impact organizations headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 22, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 22, 2026 86% judged on-target in blind review

1,145Companies

10,706Contacts tracked

2,539Verified emails

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The 25 largest social impact organizations based in the United States

Ranked by team size

Top 25 of 1,145 social impact organizations based in the United States, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to social impact organizations: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Good Worldwide INC	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 22, 2026	n/a	1,059 contacts →
	Indirect evidence “GOOD Worldwide empowers people and organizations to be a force for good-together.” Source: RevenueBase Database · checked Sep 22, 2026
2	The Providencia Group	Partial evidence	Ashburn, VA, United StatesHQ checked Sep 22, 2026	201-500	444 contacts →
	Partial evidence “At Providencia we are focused on positively impacting the communities where we operate, the lives of vulnerable and underserved populations around the world, and the health of our…” Source: RevenueBase Database · checked Sep 22, 2026
3	Catholic Charities SF	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 22, 2026	501-1,000	401 contacts →
	Indirect evidence “Since 1907, Catholic Charities San Francisco has operated more than 35 programs across San Francisco, San Mateo, and Marin counties.” Source: RevenueBase Database · checked Sep 22, 2026
4	AD Council	Strong evidence	New York, NY, United StatesHQ checked Sep 22, 2026	51-200	297 contacts →
	Strong evidence “For more than 80 years, we've built social impact campaigns to educate, unite and uplift people across America.” Source: RevenueBase Database · checked Sep 22, 2026
5	Rebecca Everlene Trust Company	Partial evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	51-200	226 contacts →
	Partial evidence “Our mission is to prevent the following societal problems: suicide, precarity and poverty, school truancy, and bullying, in addition to lack literacy and numeracy, college…” Source: RevenueBase Database · checked Sep 22, 2026
6	Good Company	Strong evidence	Washington, DC, United StatesHQ checked Sep 22, 2026	n/a	186 contacts →
	Strong evidence “Founded in 2006, Good Company is a social impact consultancy specializing in innovative, collaborative marketing, partnerships and communications strategies with purpose.” Source: RevenueBase Database · checked Sep 22, 2026
7	The Global Impact Investing Network	Partial evidence	New York, NY, United StatesHQ checked Sep 22, 2026	11-50	95 contacts →
	Partial evidence “The Global Impact Investing Network, Inc.(GIIN) is the leading industry body for impact investing.” Source: RevenueBase Database · checked Sep 22, 2026
8	Games For Change	Strong evidence	NY, United StatesHQ checked Sep 22, 2026	11-50	93 contacts →
	Strong evidence “Founded in 2004, Games for Change facilitates the creation and distribution of social impact games that serve as critical tools in humanitarian and educational efforts.” Source: RevenueBase Database · checked Sep 22, 2026
9	Civilian	Indirect evidence	San Diego, CA, United StatesHQ checked Sep 22, 2026	11-50	92 contacts →
	Indirect evidence “Civilian is a full-service marketing communications agency dedicated to building stronger communities.” Source: RevenueBase Database · checked Sep 22, 2026
10	Third Plateau	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 22, 2026	51-200	88 contacts →
	Strong evidence “One of Fast Company's 2025 Best Workplaces for Innovators!* Third Plateau is an impact consultancy on a mission to build lasting social good.” Source: RevenueBase Database · checked Sep 22, 2026
11	Panorama Global	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 22, 2026	51-200	86 contacts →
	Indirect evidence “At Panorama, we believe that no goal is too audacious, no possibility is out of bounds, and there is no limit to what we can accomplish when we work together.” Source: RevenueBase Database · checked Sep 22, 2026
12	Startingbloc	Strong evidence	New York, NY, United StatesHQ checked Sep 22, 2026	n/a	83 contacts →
	Strong evidence “StartingBloc supported a global community of social impact leaders shifting the paradigm of work and leadership to create a more just, sustainable, and thriving planet.” Source: RevenueBase Database · checked Sep 22, 2026
13	Nationswell	Partial evidence	NY, United StatesHQ checked Sep 22, 2026	11-50	82 contacts →
	Partial evidence “NationSwell is the only membership community for senior impact leaders that combines full-service advisory support, award-winning storytelling, and a curated network of…” Source: RevenueBase Database · checked Sep 22, 2026
14	The Khana Group	Strong evidence	New York, United StatesHQ checked Sep 22, 2026	11-50	72 contacts →
	Strong evidence “TKG is a leading social impact research, evaluation, data collection, and strategy firm with offices in Ghana, Nigeria, Guinea, Liberia, Sierra Leone, and the US.” Source: RevenueBase Database · checked Sep 22, 2026
15	DH	Strong evidence	Spokane, WA, United StatesHQ checked Sep 22, 2026	11-50	68 contacts →
	Strong evidence “DH is a social impact agency.” Source: RevenueBase Database · checked Sep 22, 2026
16	ICA Fund	Partial evidence	Oakland, CA, United StatesHQ checked Sep 22, 2026	11-50	64 contacts →
	Partial evidence “ICA Fund’s impact investing practice creates pathways for businesses to grow through active partnership, personalized advising, and flexible capital.” Source: RevenueBase Database · checked Sep 22, 2026
17	Impactassets	Partial evidence	Bethesda, MD, United StatesHQ checked Sep 22, 2026	51-200	61 contacts →
	Partial evidence “ImpactAssets is an impact investing trailblazer, dedicated to changing the trajectory of our planet’s future and improving the lives of all people.” Source: RevenueBase Database · checked Sep 22, 2026
18	Holoniq	Partial evidence	New York, NY, United StatesHQ checked Sep 22, 2026	51-200	60 contacts →
	Partial evidence “The world's leading impact intelligence platform.” Source: RevenueBase Database · checked Sep 22, 2026
19	Link Strategic Partners	Strong evidence	Washington, DC, United StatesHQ checked Sep 22, 2026	11-50	54 contacts →
	Strong evidence “LINK is a is a full-service, DC-based social impact firm, with a focus on strategic communications and stakeholder engagement.” Source: RevenueBase Database · checked Sep 22, 2026
20	Green America	Partial evidence	Washington, United StatesHQ checked Sep 22, 2026	11-50	54 contacts →
	Partial evidence “Our Mission Green America harnesses economic power-the strength of consumers, businesses and the marketplace-to create a socially just and environmentally sustainable society.” Source: RevenueBase Database · checked Sep 22, 2026
21	Granite United WAY	Indirect evidence	Manchester, NH, United StatesHQ checked Sep 22, 2026	11-50	53 contacts →
	Indirect evidence “In communities across America, approximately 1200 United Ways improve lives by mobilizing the caring power of their communities.” Source: RevenueBase Database · checked Sep 22, 2026
22	Cmrignite	Indirect evidence	Milwaukee, WI, United StatesHQ checked Sep 22, 2026	51-200	47 contacts →
	Indirect evidence “Ask yourself: in a world of tighter budgets and increasing competition, are you reaching 100% of your potential market?” Source: RevenueBase Database · checked Sep 22, 2026
23	CLYDE	Partial evidence	750, DC, United StatesHQ checked Sep 22, 2026	11-50	45 contacts →
	Partial evidence “CLYDE is an impact agency.” Source: RevenueBase Database · checked Sep 22, 2026
24	Harder Company Community Research	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 22, 2026	51-200	44 contacts →
	Strong evidence “Harder+Company Community Research works with public- and social-sector organizations across the United States to learn about their impact and sharpen their strategies to advance…” Source: RevenueBase Database · checked Sep 22, 2026
25	Upmetrics	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 22, 2026	11-50	44 contacts →
	Partial evidence “Impact reporting should drive learning and growth, not just compliance.” Source: RevenueBase Database · checked Sep 22, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: social impact organizations. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names social impact organizations.
Partial evidence: Its own public description names part of social impact organizations, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name social impact organizations. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 1,145 social impact organizations based in the United States

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Social impact organizations based in the United States at a glance

As of Sep 22, 2026

23.7%Verified-email coverage

9.4Average contacts per company

1-10Median size (employees)

10.2%Largest-city concentration · New York

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

882

11-50

222

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,145 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among social impact organizations, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “social impact organizations”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names social impact organizations), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among social impact organizations, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 2,539 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 22, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Social impact organizations by metro

Social impact organizations in New York117
Social impact organizations in Los Angeles83
Social impact organizations in Washington51
Social impact organizations in Chicago44
Social impact organizations in San Francisco32
Social impact organizations in Seattle27
Social impact organizations in Atlanta26
Social impact organizations in Denver25

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names social impact organizations, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many social impact organizations are there based in the United States?

RevenueBase identified 1,145 social impact organizations headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Good Worldwide INC, headquartered in Los Angeles, tops this list with the largest team on record.

Which city has the most social impact organizations?

New York leads with 117 headquartered companies, followed by Los Angeles (83) and Washington (51).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 2,539 verified decision-maker contacts tracked across these 1,145 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.