02 Jan 2014 More in HVAC & Indoor Air Quality December’s top 3 business news stories - Clarcor, Bekaert, Filtration Group, Buffalo Filter, Siemens, Porex and GE News 1. Clarcor buys Bekaert Advanced Filtration 2. Filtration Group acquires Buffalo Filter 3. November’s top 3 business news stories - Siemens, Filtration Group, Porex, Clarcor and GE
