diff --git a/inc/dmi_hw_mgmt.h b/inc/dmi_hw_mgmt.h
new file mode 100644
index 0000000..2ff29ab
--- /dev/null
+++ b/inc/dmi_hw_mgmt.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2021-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.
+ */
+
+#ifndef DMI_HW_MGMT_H_
+#define DMI_HH_MGMT_H_
+
+#include "hw_management_service.grpc.pb.h"
+#include "hw_management_service.pb.h"
+#include "dmi_common.h"
+
+using grpc::ServerWriter;
+
+grpc::Status StartManagingDevice_(
+             const dmi::ModifiableComponent* request,
+             ServerWriter<dmi::StartManagingDeviceResponse>* writer
+             );
+grpc::Status StopManagingDevice_(dmi::StopManagingDeviceResponse* response);
+grpc::Status GetManagedDevices_(dmi::ManagedDevicesResponse* response);
+grpc::Status GetPhysicalInventory_(dmi::PhysicalInventoryResponse* response);
+
+class HWMgmtService final : public dmi::NativeHWManagementService::Service
+{
+    public:
+        static HWMgmtService& getHWInstance()
+        {
+            static HWMgmtService hwinstance;
+            return hwinstance;
+        }
+
+        grpc::Status StartManagingDevice(
+                ServerContext* context,
+                const dmi::ModifiableComponent* request,
+                ServerWriter<dmi::StartManagingDeviceResponse>* writer
+                )
+        {
+            return StartManagingDevice_(request, writer);
+        }
+
+        grpc::Status StopManagingDevice(
+                ServerContext* context,
+                const dmi::StopManagingDeviceRequest* request,
+                dmi::StopManagingDeviceResponse* response
+                )
+        {
+            return StopManagingDevice_(response);
+        }
+
+        grpc::Status GetManagedDevices(
+                ServerContext* context,
+                const google::protobuf::Empty* request,
+                dmi::ManagedDevicesResponse* response
+                )
+        {
+            return GetManagedDevices_(response);
+        }
+
+        grpc::Status GetPhysicalInventory(
+                ServerContext* context,
+                const dmi::PhysicalInventoryRequest* request,
+                dmi::PhysicalInventoryResponse* response
+                )
+        {
+            return GetPhysicalInventory_(response);
+        }
+
+    private:
+        HWMgmtService()
+        {
+        }
+
+        ~HWMgmtService()
+        {
+        }
+};
+
+#endif