diff --git a/xos/synchronizer/providers/__init__.py b/xos/synchronizer/providers/__init__.py
index 8b13789..65fdf5b 100644
--- a/xos/synchronizer/providers/__init__.py
+++ b/xos/synchronizer/providers/__init__.py
@@ -1 +1,17 @@
 
+# 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.
+
+
+
diff --git a/xos/synchronizer/providers/metronetworkprovider.py b/xos/synchronizer/providers/metronetworkprovider.py
index c316815..5e4a733 100644
--- a/xos/synchronizer/providers/metronetworkprovider.py
+++ b/xos/synchronizer/providers/metronetworkprovider.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.
+
+
 from xos.logger import Logger, logging
 from services.metronetwork.models import *
 
diff --git a/xos/synchronizer/providers/metronetworkrestprovider.py b/xos/synchronizer/providers/metronetworkrestprovider.py
index 2cb03ab..101fbd4 100644
--- a/xos/synchronizer/providers/metronetworkrestprovider.py
+++ b/xos/synchronizer/providers/metronetworkrestprovider.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.
+
+
 from xos.logger import Logger, logging
 from services.metronetwork.models import *
 from synchronizers.metronetwork.providers.metronetworkprovider import MetroNetworkProvider
diff --git a/xos/synchronizer/providers/metronetworktestprovider.py b/xos/synchronizer/providers/metronetworktestprovider.py
index 3bcbb92..fd84c3a 100644
--- a/xos/synchronizer/providers/metronetworktestprovider.py
+++ b/xos/synchronizer/providers/metronetworktestprovider.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 random
 import json
 
diff --git a/xos/synchronizer/providers/providerfactory.py b/xos/synchronizer/providers/providerfactory.py
index 9ef6cb8..f78709a 100644
--- a/xos/synchronizer/providers/providerfactory.py
+++ b/xos/synchronizer/providers/providerfactory.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 sys
 
 from synchronizers.metronetwork.providers.metronetworktestprovider import MetroNetworkTestProvider