diff --git a/src/upm.h b/src/upm.h
index eaecb3fd..25502d35 100644
--- a/src/upm.h
+++ b/src/upm.h
@@ -41,6 +41,11 @@
  * @defgroup bycat Sensor Categories
  */
 
+/**
+ * @brief Sensors grouped by C++ interface
+ * @defgroup byif C++ Interface
+ */
+
 /**
  * @brief Sensors grouped by connection type
  * @defgroup bycon Connection Type
@@ -222,6 +227,47 @@
  * @ingroup bycat
  */
 
+////////////////////////////////////////////////////////////////// @cond IF
+/// Groups for the various Sensor C++ Interfaces.
+////////////////////////////////////////////////////////////////// @endcond IF
+
+/**
+ * @brief Implements ILightSensor
+ * @defgroup ilightsensor ILightSensor
+ * @ingroup byif
+ */
+
+ /**
+ * @brief Implements ILightController
+ * @defgroup ilightcontroller ILightController
+ * @ingroup byif
+ */
+
+/**
+ * @brief Implements IPressureSensor
+ * @defgroup ipressuresensor IPressureSensor
+ * @ingroup byif
+ */
+
+ /**
+ * @brief Implements ITemperatureSensor
+ * @defgroup itemperaturesensor ITemperatureSensor
+ * @ingroup byif
+ */
+
+/**
+ * @brief Implements IADC
+ * @defgroup iadc IADC
+ * @ingroup byif
+ */
+
+ /**
+ * @brief Implements ICOSensor
+ * @defgroup ic02sensor ICOSensor
+ * @ingroup byif
+ */
+
+
 ////////////////////////////////////////////////////////////////// @cond CON
 /// Groups for the various Connection Types.
 ////////////////////////////////////////////////////////////////// @endcond CON
@@ -356,6 +402,24 @@
  * @ingroup byman
  */
 
+ /**
+ * @brief Silicon Labs
+ * @defgroup silabs Silicon Labs
+ * @ingroup byman
+ */
+
+/**
+ * @brief Bosch
+ * @defgroup bosch Bosch
+ * @ingroup byman
+ */
+
+/**
+ * @brief Amphenol
+ * @defgroup amphenol Amphenol
+ * @ingroup byman
+ */
+
 ////////////////////////////////////////////////////////////////// @cond KIT
 /// Groups for the various Starter Kits.
 ////////////////////////////////////////////////////////////////// @endcond KIT