diff --git a/au_test_harness/OWNERS b/au_test_harness/OWNERS
new file mode 100644
index 0000000..8329ab1
--- /dev/null
+++ b/au_test_harness/OWNERS
@@ -0,0 +1,6 @@
+set noparent
+
+dhanyaganesh@chromium.org
+dhanyaganesh@google.com
+seanabraham@chromium.org
+seanabraham@google.com
diff --git a/devmode-test/OWNERS b/devmode-test/OWNERS
new file mode 100644
index 0000000..8329ab1
--- /dev/null
+++ b/devmode-test/OWNERS
@@ -0,0 +1,6 @@
+set noparent
+
+dhanyaganesh@chromium.org
+dhanyaganesh@google.com
+seanabraham@chromium.org
+seanabraham@google.com
diff --git a/provingground/OWNERS b/provingground/OWNERS
new file mode 100644
index 0000000..d4f1017
--- /dev/null
+++ b/provingground/OWNERS
@@ -0,0 +1,5 @@
+set noparent
+
+kathrelkeld@chromium.org
+kmshelton@chromium.org
+twreid@google.com