Add adopters section to readme (#1997)

Signed-off-by: wslulciuc <willy@datakin.com>

Author: wslulciuc

README.md

@@ -24,6 +24,14 @@ Marquez is an open source **metadata service** for the **collection**, **aggrega
 
 Marquez is an [LF AI & Data Foundation](https://lfaidata.foundation/projects/marquez) incubation project under active development and we'd love your help!
 
+## Adopters
+
+Want to be added? Send a pull request our way!
+
+* [Astronomer](https://astronomer.io)
+* [Datakin](https://datakin.com)
+* [Northwestern Mutual](https://www.northwesternmutual.com)
+
 ## Try it!
 
 [![Open in Gitpod](https://gitpod.io/button/open-in-gitpod.svg)](https://gitpod.io/#https://github.com/MarquezProject/marquez)