diff --git a/src/controllers/ConnectionController.ts b/src/controllers/ConnectionController.ts
index 018cbad5..4582b337 100644
--- a/src/controllers/ConnectionController.ts
+++ b/src/controllers/ConnectionController.ts
@@ -19,18 +19,28 @@ import {
   Logger,
   updateConnectionStatusBarItem,
 } from '../util';
-import { UnsupportedConsoleTypeError } from '../common';
 import { getConnectionsForConsoleType } from '../services';
+import {
+  CONNECT_TO_SERVER_CMD,
+  CONNECT_TO_SERVER_OPERATE_AS_CMD,
+  DISCONNECT_EDITOR_CMD,
+  DISCONNECT_FROM_SERVER_CMD,
+  SELECT_CONNECTION_COMMAND,
+  UnsupportedConsoleTypeError,
+} from '../common';
+import { ControllerBase } from './ControllerBase';
 
 const logger = new Logger('ConnectionController');
 
-export class ConnectionController implements Disposable {
+export class ConnectionController extends ControllerBase implements Disposable {
   constructor(
     context: vscode.ExtensionContext,
     serverManager: IServerManager,
     outputChannel: vscode.OutputChannel,
     toastService: IToastService
   ) {
+    super();
+
     this._context = context;
     this._serverManager = serverManager;
     this._outputChannel = outputChannel;
@@ -38,6 +48,30 @@ export class ConnectionController implements Disposable {
 
     this.initializeConnectionStatusBarItem();
     this.initializeServerManager();
+
+    /** Create server connection */
+    this.registerCommand(CONNECT_TO_SERVER_CMD, this.onConnectToServer);
+
+    /** Create server connection operating as another user */
+    this.registerCommand(
+      CONNECT_TO_SERVER_OPERATE_AS_CMD,
+      this.onConnectToServerOperateAs
+    );
+
+    /** Disconnect editor */
+    this.registerCommand(DISCONNECT_EDITOR_CMD, this.onDisconnectEditor);
+
+    /** Disconnect from server */
+    this.registerCommand(
+      DISCONNECT_FROM_SERVER_CMD,
+      this.onDisconnectFromServer
+    );
+
+    /** Select connection to run scripts against */
+    this.registerCommand(
+      SELECT_CONNECTION_COMMAND,
+      this.onPromptUserToSelectConnection
+    );
   }
 
   private readonly _context: vscode.ExtensionContext;
@@ -230,6 +264,76 @@ export class ConnectionController implements Disposable {
     return dhService;
   };
 
+  /**
+   * Handle connecting to a server
+   */
+  onConnectToServer = async (
+    serverState: ServerState,
+    operateAsAnotherUser?: boolean
+  ): Promise<void> => {
+    const languageId = vscode.window.activeTextEditor?.document.languageId;
+
+    // DHE servers need to specify the console type for each worker creation.
+    // Use the active editor's language id to determine the console type.
+    const workerConsoleType =
+      serverState.type === 'DHE' ? getConsoleType(languageId) : undefined;
+
+    this._serverManager?.connectToServer(
+      serverState.url,
+      workerConsoleType,
+      operateAsAnotherUser
+    );
+  };
+
+  /**
+   * Handle connecting to a server as another user.
+   * @param serverState
+   */
+  onConnectToServerOperateAs = async (
+    serverState: ServerState
+  ): Promise<void> => {
+    this.onConnectToServer(serverState, true);
+  };
+
+  /**
+   * Disconnect editor from active connections.
+   * @param uri
+   */
+  onDisconnectEditor = (uri: vscode.Uri): void => {
+    this._serverManager?.disconnectEditor(uri);
+    this.updateConnectionStatusBarItem();
+  };
+
+  /**
+   * Handle disconnecting from a server.
+   */
+  onDisconnectFromServer = async (
+    serverOrConnectionState: ServerState | ConnectionState
+  ): Promise<void> => {
+    // ConnectionState (connection only disconnect)
+    if ('serverUrl' in serverOrConnectionState) {
+      this._serverManager?.disconnectFromServer(
+        serverOrConnectionState.serverUrl
+      );
+      return;
+    }
+
+    // DHC ServerState
+    if (serverOrConnectionState.type === 'DHC') {
+      await this._serverManager?.disconnectFromServer(
+        serverOrConnectionState.url
+      );
+    }
+    // DHE ServerState
+    else {
+      await this._serverManager?.disconnectFromDHEServer(
+        serverOrConnectionState.url
+      );
+    }
+
+    this.updateConnectionStatusBarItem();
+  };
+
   /**
    * Prompt user to select a connection and apply the selection. The options
    * presented to the user consist of:
diff --git a/src/controllers/ExtensionController.ts b/src/controllers/ExtensionController.ts
index 4ab7f524..4c2ff729 100644
--- a/src/controllers/ExtensionController.ts
+++ b/src/controllers/ExtensionController.ts
@@ -3,11 +3,7 @@ import type { dh as DhcType } from '@deephaven/jsapi-types';
 import type { EnterpriseDhType as DheType } from '@deephaven-enterprise/jsapi-types';
 import {
   CLEAR_SECRET_STORAGE_CMD,
-  CONNECT_TO_SERVER_CMD,
-  CONNECT_TO_SERVER_OPERATE_AS_CMD,
   CREATE_NEW_TEXT_DOC_CMD,
-  DISCONNECT_EDITOR_CMD,
-  DISCONNECT_FROM_SERVER_CMD,
   DOWNLOAD_LOGS_CMD,
   OPEN_IN_BROWSER_CMD,
   REFRESH_SERVER_CONNECTION_TREE_CMD,
@@ -16,7 +12,6 @@ import {
   RUN_SELECTION_COMMAND,
   SEARCH_CONNECTIONS_CMD,
   SEARCH_PANELS_CMD,
-  SELECT_CONNECTION_COMMAND,
   START_SERVER_CMD,
   STOP_SERVER_CMD,
   VIEW_ID,
@@ -24,7 +19,6 @@ import {
 } from '../common';
 import {
   assertDefined,
-  getConsoleType,
   getEditorForUri,
   getTempDir,
   isInstanceOf,
@@ -52,7 +46,6 @@ import {
   CoreJsApiCache,
 } from '../services';
 import type {
-  ConnectionState,
   Disposable,
   IAsyncCacheService,
   IConfigService,
@@ -455,27 +448,9 @@ export class ExtensionController implements Disposable {
     /** Clear secret storage */
     this.registerCommand(CLEAR_SECRET_STORAGE_CMD, this.onClearSecretStorage);
 
-    /** Create server connection */
-    this.registerCommand(CONNECT_TO_SERVER_CMD, this.onConnectToServer);
-
-    /** Create server connection operating as another user */
-    this.registerCommand(
-      CONNECT_TO_SERVER_OPERATE_AS_CMD,
-      this.onConnectToServerOperateAs
-    );
-
     /** Create new document */
     this.registerCommand(CREATE_NEW_TEXT_DOC_CMD, this.onCreateNewDocument);
 
-    /** Disconnect editor */
-    this.registerCommand(DISCONNECT_EDITOR_CMD, this.onDisconnectEditor);
-
-    /** Disconnect from server */
-    this.registerCommand(
-      DISCONNECT_FROM_SERVER_CMD,
-      this.onDisconnectFromServer
-    );
-
     /** Download logs and open in editor */
     this.registerCommand(DOWNLOAD_LOGS_CMD, this.onDownloadLogs);
 
@@ -488,12 +463,6 @@ export class ExtensionController implements Disposable {
     /** Run selected code in active editor */
     this.registerCommand(RUN_SELECTION_COMMAND, this.onRunSelectedCode);
 
-    /** Select connection to run scripts against */
-    this.registerCommand(
-      SELECT_CONNECTION_COMMAND,
-      this._connectionController.onPromptUserToSelectConnection
-    );
-
     /** Refresh server tree */
     this.registerCommand(REFRESH_SERVER_TREE_CMD, this.onRefreshServerStatus);
 
@@ -634,37 +603,6 @@ export class ExtensionController implements Disposable {
     this._toaster?.info('Stored secrets have been removed.');
   };
 
-  /**
-   * Handle connecting to a server
-   */
-  onConnectToServer = async (
-    serverState: ServerState,
-    operateAsAnotherUser?: boolean
-  ): Promise<void> => {
-    const languageId = vscode.window.activeTextEditor?.document.languageId;
-
-    // DHE servers need to specify the console type for each worker creation.
-    // Use the active editor's language id to determine the console type.
-    const workerConsoleType =
-      serverState.type === 'DHE' ? getConsoleType(languageId) : undefined;
-
-    this._serverManager?.connectToServer(
-      serverState.url,
-      workerConsoleType,
-      operateAsAnotherUser
-    );
-  };
-
-  /**
-   * Handle connecting to a server as another user.
-   * @param serverState
-   */
-  onConnectToServerOperateAs = async (
-    serverState: ServerState
-  ): Promise<void> => {
-    this.onConnectToServer(serverState, true);
-  };
-
   /**
    * Create a new text document based on the given connection capabilities.
    * @param dhService
@@ -683,42 +621,6 @@ export class ExtensionController implements Disposable {
     this._serverManager?.setEditorConnection(editor, dhService);
   };
 
-  /**
-   * Disconnect editor from active connections.
-   * @param uri
-   */
-  onDisconnectEditor = (uri: vscode.Uri): void => {
-    this._serverManager?.disconnectEditor(uri);
-  };
-
-  /**
-   * Handle disconnecting from a server.
-   */
-  onDisconnectFromServer = async (
-    serverOrConnectionState: ServerState | ConnectionState
-  ): Promise<void> => {
-    // ConnectionState (connection only disconnect)
-    if ('serverUrl' in serverOrConnectionState) {
-      this._serverManager?.disconnectFromServer(
-        serverOrConnectionState.serverUrl
-      );
-      return;
-    }
-
-    // DHC ServerState
-    if (serverOrConnectionState.type === 'DHC') {
-      await this._serverManager?.disconnectFromServer(
-        serverOrConnectionState.url
-      );
-    }
-    // DHE ServerState
-    else {
-      await this._serverManager?.disconnectFromDHEServer(
-        serverOrConnectionState.url
-      );
-    }
-  };
-
   /**
    * Handle download logs command
    */