diff --git a/CROS_OWNERS b/CROS_OWNERS
new file mode 100644
index 0000000000..497188d63c
--- /dev/null
+++ b/CROS_OWNERS
@@ -0,0 +1,5 @@
+# Chrome OS developers looking over Chrome OS related files.
+lamont@chromium.org
+nednguyen@chromium.org
+saklein@chromium.org
+vapier@chromium.org
diff --git a/OWNERS b/OWNERS
index a5dcf2cec7..52dafae95b 100644
--- a/OWNERS
+++ b/OWNERS
@@ -19,3 +19,10 @@ per-file autoninja*=brucedawson@chromium.org
 
 per-file ninjalog_uploader.py=tikuta@chromium.org
 per-file ninjalog_uploader_wrapper.py=tikuta@chromium.org
+
+per-file cbuildbot=file://CROS_OWNERS
+per-file chrome_set_ver=file://CROS_OWNERS
+per-file cros=file://CROS_OWNERS
+per-file cros_sdk=file://CROS_OWNERS
+per-file repo=file://CROS_OWNERS
+per-file support/chromite_wrapper=file://CROS_OWNERS