diff --git a/src/script/api/script_objecttypelist.cpp b/src/script/api/script_objecttypelist.cpp
new file mode 100644
--- /dev/null
+++ b/src/script/api/script_objecttypelist.cpp
@@ -0,0 +1,23 @@
+/*
+ * This file is part of OpenTTD.
+ * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
+ * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** @file script_objecttypelist.cpp Implementation of ScriptObjectTypeList. */
+
+#include "../../stdafx.h"
+#include "script_objecttypelist.hpp"
+#include "../../newgrf_object.h"
+
+#include "../../safeguards.h"
+
+ScriptObjectTypeList::ScriptObjectTypeList()
+{
+	for (int i = 0; i < NUM_OBJECTS; i++) {
+		const ObjectSpec *spec = ObjectSpec::Get(i);
+		if (!spec->IsEverAvailable()) continue;
+		this->AddItem(i);
+	}
+}