As of 11.01.2021, METRA Energie-Messtechnik GmbH, a daughter company of Bopp & Reuther Messtechnik GmbH, was merged with its parent company. Through the new strategic business unit METRA Energie-Messtechnik, the existing product portfolio of Bopp & Reuther Messtechnik GmbH is enhanced by that of energy measurement technology (thermal energy, steam and compressed air measurement).
More detailed information can be found here