Headquarters: Faribault, Minn.
CEO: John Van Dine
History: Founded by Van Dine in 1989 in Valley Cottage, N.Y.; moved to Minnesota in 1998; opened first plant in Faribault in 2004; second plant completed 2012 with production in 2013.
Parent company: Saint-Gobain, of Paris, France, whose construction-related units include U.S. building products maker CertainTeed. Saint-Gobain purchased 50 percent of Sage in 2010, and the rest in 2012.
Product: SageGlass, an electrochromic glass that controls sunlight in buildings without shades or blinds. Variable tint is activated by an electric control.
Employees: 137 now; 250 when new plant is at full capacity.
Source: Sage, Saint-Gobain
![Attendees of Frostbike made their way through the convention Saturday at the Quality Bike Products campus in Minneapolis. ] (AARON LAVINSKY/STAR TRIBUNE) aaron.lavinsky@startribune.com Frostbike 2016 was held at the Quality Bike Products Campus on Saturday, Feb. 27, 2016 in Bloomington, Minn.](https://arc.stimg.co/startribunemedia/NH2BSHB74ND2V6GF2G2HI5X4MM.jpg?&w=252&ar=3:2&fit=crop)
