diff --git a/manager.hpp b/manager.hpp
index 5f78066..16a13e6 100644
--- a/manager.hpp
+++ b/manager.hpp
@@ -143,6 +143,9 @@
     using InterfaceComposite = std::map<std::string, HolderPtr>;
     using ObjectReferences = std::map<std::string, InterfaceComposite>;
     using Events = std::map<const char *, Event>;
+    using MakerType = HolderPtr(*)(
+            sdbusplus::bus::bus &, const char *);
+    using Makers = std::map<std::string, MakerType>;
 
     /** @brief Provided for testing only. */
     bool _shutdown;
@@ -167,6 +170,9 @@
 
     /** @brief A container of pimgen generated events and responses.  */
     static const Events _events;
+
+    /** @brief A container of pimgen generated factory methods.  */
+    static const Makers _makers;
 };
 
 } // namespace manager