Update README.md

Author: seveibar

README.md

@@ -74,7 +74,9 @@ The Universal Data Tool is a web/desktop app for editing and annotating images,
 
 ## Sponsors
 
-[![wao.ai sponsorship image](https://s3.amazonaws.com/asset.workaround.online/sponsorship-banner-1.png)](https://wao.ai)
+[![wao.ai sponsorship image](https://user-images.githubusercontent.com/1910070/107271376-20fbd100-6a1a-11eb-9f82-2d10607591ba.png)](https://wao.ai)
+[![momentum image](https://user-images.githubusercontent.com/1910070/107270943-8bf8d800-6a19-11eb-97c2-895b0280aa8a.png)](https://momentum-tech.ca/)
+[![enabled intelligence image](https://user-images.githubusercontent.com/1910070/107270939-8ac7ab00-6a19-11eb-9ed7-9a71df6b508e.png)](https://www.enabledintelligence.net/)
 
 ## Installation