> 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/st-louis-mo/non-profit-organizations/

# Nonprofit Organizations in St. Louis, MO

The bigger nonprofit organizations headquartered in St. Louis, MO, 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 St. Louis, MO, the biggest by headcount range include Easterseals Midwest, Gateway Region Ymca and Missouri Botanical Garden. They are mostly very small: 66% have 50 or fewer employees.

## Which nonprofit organizations are in St. Louis?

Among the companies whose public profile lists Non-profit Organizations as their industry and St. Louis, MO as their headquarters, the biggest by headcount range include Easterseals Midwest, Gateway Region Ymca, Missouri Botanical Garden, Urban Strategies and Ucp Heartland. Names link to a company profile where we have one.

| Company | Employees |
| --- | --- |
| Easterseals Midwest | 1,001 to 5,000 |
| Gateway Region Ymca | 1,001 to 5,000 |
| Missouri Botanical Garden | 201 to 500 |
| Urban Strategies | 201 to 500 |
| Ucp Heartland | 201 to 500 |
| Spirit Of St Louis Women's Fund Sos | 201 to 500 |
| Concordia Plans | 51 to 200 |
| Grants Buddy | 51 to 200 |
| St. Louis Development Corporation Sldc | 51 to 200 |
| Boys Hope Girls Hope | 51 to 200 |
| Craft Alliance | 51 to 200 |
| St. Patrick Center | 51 to 200 |
| Girl Scouts Of Eastern Missouri | 51 to 200 |
| Concordance | 51 to 200 |
| Stray Rescue Of St. Louis | 51 to 200 |
| The Lcms Foundation | 51 to 200 |
| Prevented | 51 to 200 |
| Doorways | 51 to 200 |
| Annie Malone Children & Family Services | 51 to 200 |
| Mpi St. Louis | 51 to 200 |
| Grace Hill Settlement House | 51 to 200 |
| Every Childs Hope | 51 to 200 |
| Heartland Industries | 51 to 200 |
| Survivors Network Of Those Abused By Priests | 51 to 200 |
| St. Louis Blues Warrior Hockey | 51 to 200 |

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 St. Louis do?

Non-profit Organizations is a broad label. The most common NAICS codes among them are 624190 (45%), 624221 (18%) and 813410 (18%).

**Figure: What nonprofit organizations in St. Louis do.** Bars for the share of counted nonprofit organizations with each code: 624190 45%, 624221 18%, 813410 18%, 322220 9%, 541940 9%.

*Share of counted nonprofit organizations in St. Louis by their NAICS code.*

[NAICS 624221](https://enrich.chat/naics/624221/)[NAICS 541940](https://enrich.chat/naics/541940/)

## How big are they?

66% of the nonprofit organizations counted in St. Louis 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 St. Louis.** Seven columns for the share of counted nonprofit organizations in St. Louis in each employee range: 11 to 50 66%, 51 to 200 28%, 201 to 500 4%, 501 to 1,000 0%, 1,001 to 5,000 2%, 5,001 to 10,000 0%, 10,001+ 0%.

*Share of counted nonprofit organizations in St. Louis in each employee range.*

## How old are they?

Most were founded in the 2000s (18%), then the before 1960 (17%).

**Figure: When nonprofit organizations in St. Louis were founded.** Eight columns for the share of counted nonprofit organizations in St. Louis founded in each era: Before 1960 17%, 1960s 10%, 1970s 11%, 1980s 13%, 1990s 7%, 2000s 18%, 2010s 13%, 2020s 11%.

*Share of counted nonprofit organizations in St. Louis by the era they were founded in, for the ones that list a founding year.*

## How nonprofit organizations compare

- 24% were founded in 2010 or later, against 54% across other cities on this site.

## How do you reach the people at nonprofit organizations in St. Louis?

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 St. Louis, MO
```

### 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 St. Louis, MO, 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 St. Louis:

[Construction Companies](https://enrich.chat/companies-in/st-louis-mo/construction/)[Hospitals and Health Care Organizations](https://enrich.chat/companies-in/st-louis-mo/hospitals-and-health-care/)[Advertising Agencies](https://enrich.chat/companies-in/st-louis-mo/advertising-services/)[Real Estate Companies](https://enrich.chat/companies-in/st-louis-mo/real-estate/)[IT Services Companies](https://enrich.chat/companies-in/st-louis-mo/it-services-and-it-consulting/)[Software Companies](https://enrich.chat/companies-in/st-louis-mo/software-development/)[Financial Services Companies](https://enrich.chat/companies-in/st-louis-mo/financial-services/)[Insurance Companies](https://enrich.chat/companies-in/st-louis-mo/insurance/)[Architecture Firms](https://enrich.chat/companies-in/st-louis-mo/architecture-and-planning/)[Manufacturers](https://enrich.chat/companies-in/st-louis-mo/manufacturing/)[Consulting Firms](https://enrich.chat/companies-in/st-louis-mo/business-consulting-and-services/)[Machinery Manufacturers](https://enrich.chat/companies-in/st-louis-mo/machinery-manufacturing/)[Wholesale Distributors](https://enrich.chat/companies-in/st-louis-mo/wholesale/)[Facilities Services Companies](https://enrich.chat/companies-in/st-louis-mo/facilities-services/)[All of St. Louis](https://enrich.chat/companies-in/st-louis-mo/)

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 St. Louis?

Among those counted, they include Easterseals Midwest, Gateway Region Ymca, Missouri Botanical Garden, Urban Strategies and Ucp Heartland, ranked by headcount range.

### How big are nonprofit organizations in St. Louis?

66% 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 St. Louis, MO.

## Try this prompt

Find the people at nonprofit organizations in St. Louis

```text
Use www.enrich.chat to find the executive directors and operations leaders at nonprofit organizations in St. Louis, MO, with titles and verified work emails
```

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