diff --git a/README.md b/README.md
index 2a76ac6ada8..77de9dfd7a1 100644
--- a/README.md
+++ b/README.md
@@ -814,6 +814,7 @@ Here are some companies/projects using Swagger Codegen in production. To add you
 - [OrderCloud.io](http://ordercloud.io)
 - [OSDN](https://osdn.jp)
 - [PagerDuty](https://www.pagerduty.com)
+- [PagerTree](https://pagertree.com)
 - [Pepipost](https://www.pepipost.com)
 - [Plexxi](http://www.plexxi.com)
 - [Pixoneye](http://www.pixoneye.com/)