diff --git a/CREDITS.txt b/CREDITS.txt
index 4dc4b7d7c..cfa4c7477 100644
--- a/CREDITS.txt
+++ b/CREDITS.txt
@@ -1621,3 +1621,6 @@ Jacques Loubier
 Kelly Warner
 James Cox
 Sidney B Harden
+CG Tech Inc.
+Richard Gopstein
+Francesco Ziche