diff --git a/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullDevice.java b/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullDevice.java
index 809d90d..bbe1e131 100644
--- a/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullDevice.java
+++ b/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullDevice.java
@@ -17,6 +17,7 @@
 
 import org.apache.karaf.shell.api.action.Argument;
 import org.apache.karaf.shell.api.action.Command;
+import org.apache.karaf.shell.api.action.lifecycle.Service;
 import org.onlab.util.Tools;
 import org.onosproject.net.Device;
 import org.onosproject.net.DeviceId;
@@ -29,6 +30,7 @@
 /**
  * Adds a simulated device to the custom topology simulation.
  */
+@Service
 @Command(scope = "onos", name = "null-create-device",
         description = "Adds a simulated device to the custom topology simulation")
 public class CreateNullDevice extends CreateNullEntity {
diff --git a/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullEntity.java b/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullEntity.java
index a9efa78..237c79d 100644
--- a/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullEntity.java
+++ b/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullEntity.java
@@ -17,6 +17,7 @@
 
 import com.google.common.collect.ImmutableList;
 import com.google.common.primitives.Longs;
+import org.apache.karaf.shell.api.action.lifecycle.Service;
 import org.onlab.util.Tools;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.net.ConnectPoint;
@@ -33,6 +34,7 @@
 /**
  * Base command for adding simulated entities to the custom topology simulation.
  */
+@Service
 public abstract class CreateNullEntity extends AbstractShellCommand {
 
     protected static final String GEO = "geo";
diff --git a/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullHost.java b/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullHost.java
index 682496b..2eb3fe3 100644
--- a/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullHost.java
+++ b/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullHost.java
@@ -19,6 +19,7 @@
 import com.google.common.collect.ImmutableSet;
 import org.apache.karaf.shell.api.action.Argument;
 import org.apache.karaf.shell.api.action.Command;
+import org.apache.karaf.shell.api.action.lifecycle.Service;
 import org.onlab.packet.IpAddress;
 import org.onlab.util.Tools;
 import org.onosproject.net.ConnectPoint;
@@ -38,6 +39,7 @@
 /**
  * Adds a simulated end-station host to the custom topology simulation.
  */
+@Service
 @Command(scope = "onos", name = "null-create-host",
         description = "Adds a simulated end-station host to the custom topology simulation")
 public class CreateNullHost extends CreateNullEntity {
diff --git a/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullHosts.java b/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullHosts.java
index b8618e0..cf769fd 100644
--- a/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullHosts.java
+++ b/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullHosts.java
@@ -18,6 +18,7 @@
 
 import org.apache.karaf.shell.api.action.Argument;
 import org.apache.karaf.shell.api.action.Command;
+import org.apache.karaf.shell.api.action.lifecycle.Service;
 import org.onlab.packet.IpAddress;
 import org.onlab.util.Tools;
 import org.onosproject.net.ConnectPoint;
@@ -34,6 +35,7 @@
 /**
  * Adds a simulated end-station host to the custom topology simulation.
  */
+@Service
 @Command(scope = "onos", name = "null-create-hosts",
         description = "Adds a simulated end-station host to the custom topology simulation")
 public class CreateNullHosts extends CreateNullEntity {
diff --git a/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullLink.java b/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullLink.java
index f0bac10..5063e12 100644
--- a/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullLink.java
+++ b/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullLink.java
@@ -19,6 +19,7 @@
 import org.apache.karaf.shell.api.action.Argument;
 import org.apache.karaf.shell.api.action.Command;
 import org.apache.karaf.shell.api.action.Option;
+import org.apache.karaf.shell.api.action.lifecycle.Service;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.Link;
 import org.onosproject.provider.nil.CustomTopologySimulator;
@@ -28,6 +29,7 @@
 /**
  * Adds a simulated link to the custom topology simulation.
  */
+@Service
 @Command(scope = "onos", name = "null-create-link",
         description = "Adds a simulated link to the custom topology simulation")
 public class CreateNullLink extends CreateNullEntity {
diff --git a/providers/null/src/main/java/org/onosproject/provider/nil/cli/NullControlCommand.java b/providers/null/src/main/java/org/onosproject/provider/nil/cli/NullControlCommand.java
index c901a6a..9ebcf4b 100644
--- a/providers/null/src/main/java/org/onosproject/provider/nil/cli/NullControlCommand.java
+++ b/providers/null/src/main/java/org/onosproject/provider/nil/cli/NullControlCommand.java
@@ -17,6 +17,7 @@
 
 import org.apache.karaf.shell.api.action.Argument;
 import org.apache.karaf.shell.api.action.Command;
+import org.apache.karaf.shell.api.action.lifecycle.Service;
 import org.onosproject.cfg.ComponentConfigService;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.provider.nil.NullProviders;
@@ -27,6 +28,7 @@
 /**
  * Starts or stops topology simulation.
  */
+@Service
 @Command(scope = "onos", name = "null-simulation",
         description = "Starts or stops topology simulation")
 public class NullControlCommand extends AbstractShellCommand {
diff --git a/providers/null/src/main/java/org/onosproject/provider/nil/cli/NullDeviceCommand.java b/providers/null/src/main/java/org/onosproject/provider/nil/cli/NullDeviceCommand.java
index 6f88be8..69557f5 100644
--- a/providers/null/src/main/java/org/onosproject/provider/nil/cli/NullDeviceCommand.java
+++ b/providers/null/src/main/java/org/onosproject/provider/nil/cli/NullDeviceCommand.java
@@ -17,6 +17,7 @@
 
 import org.apache.karaf.shell.api.action.Argument;
 import org.apache.karaf.shell.api.action.Command;
+import org.apache.karaf.shell.api.action.lifecycle.Service;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.net.DeviceId;
 import org.onosproject.provider.nil.NullProviders;
@@ -27,6 +28,7 @@
 /**
  * Downs or repairs a simulated device.
  */
+@Service
 @Command(scope = "onos", name = "null-device",
         description = "Downs or repairs a simulated device")
 public class NullDeviceCommand extends AbstractShellCommand {
diff --git a/providers/null/src/main/java/org/onosproject/provider/nil/cli/NullLinkCommand.java b/providers/null/src/main/java/org/onosproject/provider/nil/cli/NullLinkCommand.java
index 8d3314d9..263bf5a 100644
--- a/providers/null/src/main/java/org/onosproject/provider/nil/cli/NullLinkCommand.java
+++ b/providers/null/src/main/java/org/onosproject/provider/nil/cli/NullLinkCommand.java
@@ -17,6 +17,7 @@
 
 import org.apache.karaf.shell.api.action.Argument;
 import org.apache.karaf.shell.api.action.Command;
+import org.apache.karaf.shell.api.action.lifecycle.Service;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.provider.nil.NullProviders;
@@ -27,6 +28,7 @@
 /**
  * Severs or repairs a simulated link.
  */
+@Service
 @Command(scope = "onos", name = "null-link",
         description = "Severs or repairs a simulated link")
 public class NullLinkCommand extends AbstractShellCommand {
diff --git a/providers/null/src/main/java/org/onosproject/provider/nil/cli/TopologyShapeCompleter.java b/providers/null/src/main/java/org/onosproject/provider/nil/cli/TopologyShapeCompleter.java
index 52a78cb1..dec1467 100644
--- a/providers/null/src/main/java/org/onosproject/provider/nil/cli/TopologyShapeCompleter.java
+++ b/providers/null/src/main/java/org/onosproject/provider/nil/cli/TopologyShapeCompleter.java
@@ -16,6 +16,7 @@
 package org.onosproject.provider.nil.cli;
 
 import com.google.common.collect.ImmutableList;
+import org.apache.karaf.shell.api.action.lifecycle.Service;
 import org.onosproject.cli.AbstractChoicesCompleter;
 
 import java.util.List;
@@ -23,6 +24,7 @@
 /**
  * Topology shape completer.
  */
+@Service
 public class TopologyShapeCompleter extends AbstractChoicesCompleter {
     @Override
     public List<String> choices() {