> 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/company/regeneron/

# Regeneron

A biotechnology organization with 10,000 to 25,000 employees. Where it sits among its peers, the technology it runs and how to reach its people.

By Enrich.chat Editorial. Updated October 21, 2026.

**Short answer:** Regeneron (regeneron.com) is a biotechnology organization with 10,000 to 25,000 employees. Its public technology footprint includes Microsoft 365, Microsoft Outlook, Facebook Login and Cedexis Radar.

## How big is Regeneron?

Regeneron has 10,000 to 25,000 employees.

Headcount on public company profiles is rounded and moves as a company hires, so use the range as a guide, not as a payroll figure.

## Where is Regeneron headquartered?

Regeneron is headquartered in Tarrytown, New York.

[Companies in New York](https://enrich.chat/companies-in/new-york/)

## What industry is Regeneron in?

Regeneron works in biotechnology. This group covers companies that use biological systems and living organisms to develop drugs, diagnostics and other products. Similar organizations on this site: [Aberdeenshire Council](https://enrich.chat/company/aberdeenshire-council/), [AIDA Cruises](https://enrich.chat/company/aida-cruises/), [Albany Medical Center](https://enrich.chat/company/albany-medical-center/), [Aldi UK](https://enrich.chat/company/aldi-uk/), [Amara Raja Group](https://enrich.chat/company/amara-raja-group/) and [Arab Bank](https://enrich.chat/company/arab-bank/).

## What technology does Regeneron use?

We detect 41 tools on Regeneron's public footprint across 17 categories, for example Salesforce for marketing automation and crm, AWS for cloud and hosting and Stripe for e-commerce and payments. The figure counts the tools in each category; the groups below name them and link to the companies that use each one.

**Figure: Tools detected at Regeneron, by category.** A bar chart of how many tools were detected at Regeneron in each category: Advertising and retargeting 10, Data and observability 4, CDN and security 4, Cloud and hosting 3, Analytics and tracking 3, Customer support and chat 2, HR and recruiting 2.

*Tools detected on the public footprint of Regeneron, by category.*

### Marketing automation and CRM

[Salesforce](https://enrich.chat/companies-using/salesforce/)

### Cloud and hosting

[AWS](https://enrich.chat/companies-using/aws/)[NGINX](https://enrich.chat/companies-using/nginx/)[WP Engine](https://enrich.chat/companies-using/wp-engine/)

### E-commerce and payments

[Stripe](https://enrich.chat/companies-using/stripe/)

### Customer support and chat

[Zendesk](https://enrich.chat/companies-using/zendesk/)[Salesforce Live Agent](https://enrich.chat/companies-using/salesforce-live-agent/)

### HR and recruiting

[Workday Recruiting](https://enrich.chat/companies-using/workday-recruit/)[Greenhouse](https://enrich.chat/companies-using/greenhouse/)

### Identity and authentication

[Facebook Login](https://enrich.chat/companies-using/facebook-login/)

### Data and observability

[Cedexis Radar](https://enrich.chat/companies-using/cedexis-radar/)[New Relic](https://enrich.chat/companies-using/new-relic/)[LiveRamp](https://enrich.chat/companies-using/liveramp/)[Akamai RUM](https://enrich.chat/companies-using/akamai-rum/)

### Developer and DevOps tools

[Atlassian Cloud](https://enrich.chat/companies-using/atlassian/)

### Email and productivity

[Microsoft 365](https://enrich.chat/companies-using/microsoft-365/)[Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/)

### CDN and security

[Cloudflare](https://enrich.chat/companies-using/cloudflare/)[Amazon Route 53](https://enrich.chat/companies-using/route-53/)[Mimecast](https://enrich.chat/companies-using/mimecast/)[Cloudflare CDN](https://enrich.chat/companies-using/cloudflare-cdn/)

### Website platforms and CMS

[WordPress (self-hosted)](https://enrich.chat/companies-using/wordpress-org/)

### Analytics and tracking

[Google Tag Manager](https://enrich.chat/companies-using/google-tag-manager/)[Google Analytics](https://enrich.chat/companies-using/google-analytics/)[Hotjar](https://enrich.chat/companies-using/hotjar/)

### Advertising and retargeting

[Facebook Custom Audiences](https://enrich.chat/companies-using/facebook-custom-audiences/)[DoubleClick](https://enrich.chat/companies-using/doubleclick/)[Adobe Media Optimizer](https://enrich.chat/companies-using/adobe-media-optimizer/)[DoubleClick Conversion Tracking](https://enrich.chat/companies-using/doubleclick-conversion/)[Google Dynamic Remarketing](https://enrich.chat/companies-using/google-dynamic-remarketing/)[LinkedIn Marketing Solutions](https://enrich.chat/companies-using/linkedin-marketing-solutions/)[DoubleClick Floodlight](https://enrich.chat/companies-using/doubleclick-floodlight/)[The Trade Desk](https://enrich.chat/companies-using/the-trade-desk/)[X Ads (Twitter Advertising)](https://enrich.chat/companies-using/twitter-advertising/)[BlueKai](https://enrich.chat/companies-using/bluekai/)

### Video and media

[Vimeo](https://enrich.chat/companies-using/vimeo/)[Wistia](https://enrich.chat/companies-using/wistia/)

### Social and widgets

[Facebook Widget](https://enrich.chat/companies-using/facebook-widget/)

### Fonts, maps and embeds

[Typekit (Adobe Fonts)](https://enrich.chat/companies-using/typekit/)

Tools change as companies adopt and drop them. Check a single company at any time with the free [tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/).

## How do I find the right people at Regeneron?

Start from the website, regeneron.com. Enter it in the free email finder with a name, or ask your AI agent for the people in the roles you sell to, such as heads of research, lab directors and business development leaders.

```text
Use www.enrich.chat to find the heads of research, lab directors and business development leaders at regeneron.com, with titles and verified work emails
```

Staff addresses follow a known pattern: see the [Regeneron email format](https://enrich.chat/email-format/regeneron/).

## Which other companies use the same tools?

See who else runs the tools Regeneron uses:

[Microsoft 365](https://enrich.chat/companies-using/microsoft-365/)[Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/)[Vimeo](https://enrich.chat/companies-using/vimeo/)[Facebook Login](https://enrich.chat/companies-using/facebook-login/)[Facebook Widget](https://enrich.chat/companies-using/facebook-widget/)[WordPress (self-hosted)](https://enrich.chat/companies-using/wordpress-org/)

## Frequently asked questions

### How many employees does Regeneron have?

Regeneron is in the 10,000 to 25,000 employees range on its public company profile. Headcounts are rounded and change as companies hire, so treat the range as a guide.

### What industry is Regeneron in?

Regeneron works in biotechnology. This group covers companies that use biological systems and living organisms to develop drugs, diagnostics and other products.

### What technology does Regeneron use?

Tools detected on its public footprint include Microsoft 365, Microsoft Outlook, Facebook Login and Cedexis Radar, across 17 categories. A detected tool shows it was seen, not what Regeneron pays for it.

### Where is Regeneron headquartered?

Regeneron is headquartered in Tarrytown, New York.

### What is the website of Regeneron?

Regeneron's website is regeneron.com. Staff email usually uses a domain like it, so check the pattern with the free email format finder before you write to anyone.

## Try this prompt

Find people at Regeneron

```text
Use www.enrich.chat to find the heads of research, lab directors and business development leaders at regeneron.com, with titles and verified work emails
```

## Related

- [Companies using a technology](https://enrich.chat/companies-using/)
- [Aberdeenshire Council](https://enrich.chat/company/aberdeenshire-council/)
- [AIDA Cruises](https://enrich.chat/company/aida-cruises/)
- [Albany Medical Center](https://enrich.chat/company/albany-medical-center/)
- [Aldi UK](https://enrich.chat/company/aldi-uk/)
- [Amara Raja Group](https://enrich.chat/company/amara-raja-group/)
- [Arab Bank](https://enrich.chat/company/arab-bank/)
- [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)
