Investment AB Latour-backed Bemsiq, a group of international companies delivering innovative products for building automation and metering, completed the acquisition of Greystone Energy Systems, a HVAC sensors and transmitters manufacturer. Financial terms were not disclosed. "We want to give our warmest welcome to all Greystone’s employees. We have known the company for many years and are impressed by their high-quality products and strong market position. Greystone offers a perfect geographical match with Bemsiq and a bridge head into the North American and Asian market, enabling us to serve our customers on a global basis," Mikael Johnsson Albrektsson, Bemsiq CEO.