diff --git a/host-ipmid/oemopenbmc.hpp b/host-ipmid/oemopenbmc.hpp
new file mode 100644
index 0000000..c3bfaa4
--- /dev/null
+++ b/host-ipmid/oemopenbmc.hpp
@@ -0,0 +1,25 @@
+#pragma once
+
+#include "host-ipmid/ipmid-api.h"
+#include "host-ipmid/oemrouter.hpp"
+
+namespace oem
+{
+
+/*
+ * This is the OpenBMC IANA OEM Number
+ */
+constexpr Number obmcOemNumber = 49871;
+
+/*
+ * OpenBMC OEM Extension IPMI Command codes.
+ */
+enum Cmd
+{
+    gpioCmd = 1,
+    i2cCmd = 2,
+    flashCmd = 3,
+    fanManualCmd = 4,
+};
+
+}  // namespace oem