WindStax: WindStax looking to quadruple space, add employees

Since its founding in 2012, WindStax Wind Power Systems Founder Ronald Gdovic said demand has become overwhelming for the Pittsburgh-based clean energy startup, and now they're looking to expand. The company has focused sales largely in southwestern Pennsylvania, but Gdovic said it has received inquiries from across the country and countries as far away as Germany, Jordan and South America for its vertical wind power systems. "We know we have a unique product and there is a demand for it," Gdovic…