When the ZF Lemforder auto parts plant in Brewer shut down in 2010, it took with it more than 100 jobs — a number that itself was down from its 1980s peak of about 400 employees. But the cavernous, 126,000-square-foot building that housed the German company’s manufacturing operations has avoided the fate of many other Maine read more A once-vacant Brewer building is now a startup hub that could be a model for Maine