diff --git a/src/injections/litComponentsInject.js b/src/injections/litComponentsInject.js
new file mode 100644
index 0000000..f4d59bd
--- /dev/null
+++ b/src/injections/litComponentsInject.js
@@ -0,0 +1,13 @@
+// This file imports necessary web components used for several features which
+// use LitElement (and thus custom web elements). This is done by injecting this
+// javascript file instead of placing this code directly in the content script
+// because `window.customElements` doesn't exist in content scripts.
+import '../contentScripts/communityConsole/workflows/components/index.js';
+import '../contentScripts/communityConsole/threadToolbar/components/index.js';
+
+import {injectStylesheet} from '../common/contentScriptsUtils.js';
+
+// Also, we import Material Icons since the Community Console uses "Google
+// Material Icons" instead of "Material Icons". This is necessary for the MD3
+// components.
+injectStylesheet('https://fonts.googleapis.com/icon?family=Material+Icons');