Building Strong Communities Duininck has been committed to building strong communities since 1926 and is proud to offer the Willmar Lakes Area a full range of services and products. Contact us to see how we can help with your next project. SITE DEVELOPMENT GRADING I DRIVEWAY PAVING | PARKING LOT PAVING DUININCK phone 320.235.3318 email info@duininck.com web duininck.com