Montana Window & Door
Doors & Windows Company in Billings, MT
At Gienow, we value our clients: we treat them with respect and deliver on our promise to do what is right for them. Building or renovating, Gienow clients know they are getting innovative technology and stunning beauty in every window and door. In 1983, a group of Calgary businessmen purchased Gienow Ltd. Renaming it Gienow Building Products Ltd. Gienow became the industry leader in on-time performance and by 1989 was reaching a dozen countries, including the U. S. Japan, China, Russia, Chile and South Korea.