> 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/dalkia/

# Dalkia

A environmental services 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:** Dalkia (dalkia.fr) is an environmental services organization with 10,000 to 25,000 employees. Its public technology footprint includes Microsoft 365, Gmail, Google Workspace and Mandrill (Mailchimp).

## How big is Dalkia?

Dalkia has 10,000 to 25,000 employees. Among the environmental services firms on this site it sits in the larger half. Each dot in the figure is one of its peers, placed by size; the orange dot is Dalkia.

**Figure: Where Dalkia sits among environmental services firms.** A strip of dots, one for each of 82 peers in environmental services, spread from 2,000 to 2,000,000 employees on a log scale. Dalkia is highlighted and falls in the 10,000 to 25,000 employees range in the larger half.

*Peers in environmental services placed by employee count on a log scale. Sizes are rounded ranges from public profiles.*

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 Dalkia headquartered?

Dalkia is headquartered in Saint-Andre-lez-Lille, France.

[More environmental services firms in France](https://enrich.chat/companies-in/france/environmental-services/)[Companies in France](https://enrich.chat/companies-in/france/)

## What industry is Dalkia in?

Dalkia works in [environmental services](https://enrich.chat/industries/environmental-services/). This group covers firms that handle waste, remediation, testing and compliance work to protect the environment. Similar organizations on this site: [Clean Harbors](https://enrich.chat/company/clean-harbors/), [RSK Group](https://enrich.chat/company/rsk-group/), [Sabesp](https://enrich.chat/company/sabesp/), [Enercon](https://enrich.chat/company/enercon/), [Bouygues Energies & Services](https://enrich.chat/company/bouygues-energies-and-services/) and [Equans France](https://enrich.chat/company/equans-france/).

## What technology does Dalkia use?

We detect 12 tools on Dalkia's public footprint across 7 categories, for example Datadog for data and observability, Microsoft 365 for email and productivity and Amazon Route 53 for cdn and security. 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 Dalkia, by category.** A bar chart of how many tools were detected at Dalkia in each category: Email and productivity 4, CDN and security 2, Analytics and tracking 2, Data and observability 1, Website platforms and CMS 1, Advertising and retargeting 1, Video and media 1.

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

### Data and observability

[Datadog](https://enrich.chat/companies-using/datadog/)

### Email and productivity

[Microsoft 365](https://enrich.chat/companies-using/microsoft-365/)[Gmail](https://enrich.chat/companies-using/gmail/)[Google Workspace](https://enrich.chat/companies-using/google-workspace/)[Mandrill (Mailchimp)](https://enrich.chat/companies-using/mailchimp-mandrill/)

### CDN and security

[Amazon Route 53](https://enrich.chat/companies-using/route-53/)[Amazon CloudFront](https://enrich.chat/companies-using/amazon-cloudfront/)

### Website platforms and CMS

[Drupal](https://enrich.chat/companies-using/drupal/)

### Analytics and tracking

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

### Advertising and retargeting

[Google Ads Conversion Tracking](https://enrich.chat/companies-using/google-adwords-conversion/)

### Video and media

[YouTube](https://enrich.chat/companies-using/youtube/)

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 Dalkia?

Start from the website, dalkia.fr. 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 operations leaders, regional managers and compliance heads.

```text
Use www.enrich.chat to find the operations leaders, regional managers and compliance heads at dalkia.fr, with titles and verified work emails
```

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

## Which other companies use the same tools?

See who else runs the tools Dalkia uses:

[Microsoft 365](https://enrich.chat/companies-using/microsoft-365/)[YouTube](https://enrich.chat/companies-using/youtube/)[Google Ads Conversion Tracking](https://enrich.chat/companies-using/google-adwords-conversion/)[Hotjar](https://enrich.chat/companies-using/hotjar/)[Gmail](https://enrich.chat/companies-using/gmail/)[Google Workspace](https://enrich.chat/companies-using/google-workspace/)

## Frequently asked questions

### How many employees does Dalkia have?

Dalkia 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 Dalkia in?

Dalkia works in environmental services. This group covers firms that handle waste, remediation, testing and compliance work to protect the environment.

### What technology does Dalkia use?

Tools detected on its public footprint include Microsoft 365, Gmail, Google Workspace and Mandrill (Mailchimp), across 7 categories. A detected tool shows it was seen, not what Dalkia pays for it.

### Where is Dalkia headquartered?

Dalkia is headquartered in Saint-Andre-lez-Lille, France.

### What is the website of Dalkia?

Dalkia's website is dalkia.fr. 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 Dalkia

```text
Use www.enrich.chat to find the operations leaders, regional managers and compliance heads at dalkia.fr, with titles and verified work emails
```

## Related

- [Companies using a technology](https://enrich.chat/companies-using/)
- [Clean Harbors](https://enrich.chat/company/clean-harbors/)
- [RSK Group](https://enrich.chat/company/rsk-group/)
- [Sabesp](https://enrich.chat/company/sabesp/)
- [Enercon](https://enrich.chat/company/enercon/)
- [Bouygues Energies & Services](https://enrich.chat/company/bouygues-energies-and-services/)
- [Equans France](https://enrich.chat/company/equans-france/)
- [Socotec](https://enrich.chat/company/socotec/)
- [GFL Environmental](https://enrich.chat/company/gfl-environmental/)
- [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)
