Grumdahls Rusco Awning and Window Company was founded in 1947 by Ivar Grumdahl. Les Grumdahl worked at an early age for his father's company and in 1994 rebranded the company as Les Grumdahl Window & Siding. Les's son Ryan later started with the company and is now a partner with his father. Les Grumdahl Window & Siding prides itself in providing their customers with the finest and most advanced products available along with old fashioned customer service.
