diff --git a/xos/synchronizer/run.sh b/xos/synchronizer/run.sh
index 44696b4..c532ac3 100644
--- a/xos/synchronizer/run.sh
+++ b/xos/synchronizer/run.sh
@@ -1,3 +1,19 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
 # Runs the XOS observer using vmmeservice_config
 export XOS_DIR=/opt/xos
 python vmme-synchronizer.py  -C $XOS_DIR/synchronizers/vmme/vmmeservice_config
diff --git a/xos/synchronizer/steps/sync_vmmetenant.py b/xos/synchronizer/steps/sync_vmmetenant.py
index dac6d0d..91d4380 100644
--- a/xos/synchronizer/steps/sync_vmmetenant.py
+++ b/xos/synchronizer/steps/sync_vmmetenant.py
@@ -1,3 +1,19 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
 import os
 import sys
 from django.db.models import Q, F
diff --git a/xos/synchronizer/steps/vmmetenant_playbook.yaml b/xos/synchronizer/steps/vmmetenant_playbook.yaml
index c8a74d0..6828701 100644
--- a/xos/synchronizer/steps/vmmetenant_playbook.yaml
+++ b/xos/synchronizer/steps/vmmetenant_playbook.yaml
@@ -1,3 +1,19 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
 --- 
 - hosts: {{ instance_name }} 
   gather_facts: False 
diff --git a/xos/synchronizer/stop.sh b/xos/synchronizer/stop.sh
index 489997e..a39ed46 100644
--- a/xos/synchronizer/stop.sh
+++ b/xos/synchronizer/stop.sh
@@ -1,2 +1,18 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
 # Kill the observer
 pkill -9 -f vmme-synchronizer.py
diff --git a/xos/synchronizer/vmme-synchronizer.py b/xos/synchronizer/vmme-synchronizer.py
index 95f4081..9c09a71 100644
--- a/xos/synchronizer/vmme-synchronizer.py
+++ b/xos/synchronizer/vmme-synchronizer.py
@@ -1,3 +1,19 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
 #!/usr/bin/env python
 
 # This imports and runs ../../xos-observer.py