diff --git a/web/gui/src/main/webapp/app/view/topo2/topo2Device.js b/web/gui/src/main/webapp/app/view/topo2/topo2Device.js
new file mode 100644
index 0000000..ae04111
--- /dev/null
+++ b/web/gui/src/main/webapp/app/view/topo2/topo2Device.js
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * 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.
+ */
+
+/*
+ ONOS GUI -- Topology Devices Module.
+ Module that holds the devices for a region
+ */
+
+(function () {
+    'use strict';
+
+    var Collection, Model;
+
+    function createDeviceCollection(data, region) {
+
+        var DeviceCollection = Collection.extend({
+            model: Model,
+            get: function () {},
+            comparator: function(a, b) {
+
+                var order = region.layerOrder;
+                return order.indexOf(a.get('layer')) - order.indexOf(b.get('layer'));
+            }
+        });
+
+        var devices = [];
+        data.forEach(function (deviceLayer) {
+            deviceLayer.forEach(function (device) {
+                devices.push(device);
+            });
+        });
+
+        var deviceCollection = new DeviceCollection(devices);
+        deviceCollection.sort();
+
+        return deviceCollection;
+    }
+
+    angular.module('ovTopo2')
+    .factory('Topo2DeviceService',
+        ['Topo2Collection', 'Topo2Model',
+
+            function (_Collection_, _Model_) {
+
+                Collection = _Collection_;
+                Model = _Model_.extend({});
+
+                return {
+                    createDeviceCollection: createDeviceCollection
+                };
+            }
+        ]);
+
+})();