The Elixir in production directory

348 companies run on Elixir. Yours could be next.

From chat at global scale to pharmacy point-of-sale in Belém, teams choose the BEAM for systems that stay up. Explore who's building with it, and how.

children = [
  {Company, name: "Discord"},
  {Company, name: "Pinterest"},
  {Company, name: "Remote"},
  {Company, name: "Treat Health"},
  # ...344 more
]

Supervisor.start_link(children,
  strategy: :one_for_one)
Recently added: Treat HealthHelsinki, Finland

Why teams pick Elixir

Built on 30+ years of telecom-grade engineering.

Elixir runs on the Erlang VM, the BEAM, originally built to keep phone switches online. Modern syntax, battle-tested runtime.

Fault-tolerant by design

Supervisors restart what fails, so one bad request never takes the whole system down.

Concurrency that scales

Millions of lightweight processes spread across every core, and across machines, without locks.

Real-time, out of the box

Phoenix Channels and LiveView ship interactive, live-updating apps with far less JavaScript.

A joy to maintain

Immutable data, pattern matching and first-class tooling keep large codebases readable for years.

In their words

How companies actually use it.

“We are 100% Elixir and we use it to build large-scale distributed systems.”

Brex
Financials · San Francisco
View profile →

“The patient and doctor services run on Elixir and Phoenix LiveView, alongside React and native mobile apps.”

Treat Health
Health Care · Helsinki
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“A cloud-native geographic information system (GIS) platform for building maps, apps, and dashboards. Powered by Elixir and Phoenix.”

Felt
Information Technology · Oakland
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Around the world

Listed companies by country

  • United States65
  • United Kingdom15
  • Japan12
  • Germany11
  • Remote9
  • Australia7
  • Netherlands7
  • Poland7

Using Elixir? Get on the map.

Every listing is a single Markdown file. Open a pull request and help show the world Elixir is ready for production.

  1. 01Fork the repository
  2. 02Add src/content/companies/you.md
  3. 03Open a pull request. That's it.