diff --git a/README.md b/README.md
index 1a61d39d87..daa2240b34 100644
--- a/README.md
+++ b/README.md
@@ -238,9 +238,12 @@ If you would like to support the project financially, visit
 [our campaign on OpenCollective](https://opencollective.com/panda3d).  Your
 contributions help us accelerate the development of Panda3D.
 
-For the list of backers, see the [BACKERS.md](BACKERS.md) file or visit the
-[Sponsors page](https://www.panda3d.org/sponsors) on our web site.  Thank you
-to everyone who has donated!
+For the complete list of backers, see the [BACKERS.md](BACKERS.md) file or
+visit the [Sponsors page](https://www.panda3d.org/sponsors) on our web site.
+Thank you to everyone who has donated!
+
+[<img src="https://www.panda3d.org/wp-content/uploads/2024/08/Route4MeLogo1185x300-2-1-1024x259.png" alt="Route4Me" height="48">](https://route4me.com/)
+[<img src="https://www.lambdatest.com/blue-logo.png" alt="LambdaTest" height="48">](https://www.lambdatest.com/?utm_source=panda3d&utm_medium=sponsor)
 
 <a href="https://opencollective.com/panda3d" target="_blank">
   <img src="https://opencollective.com/panda3d/contribute/button@2x.png?color=blue" width=300 />