Dreher Collision Concepts is family-owned and operated right here in Fond du Lac, WI. Since our company opened its doors in 2011, we ve treated every customer like they were a part of our family. Other companies may offer similar services, but our services are the best, and come with a personal touch. Quality Control Every Step of the Way!!! We put your vehcile through numerous quality control check points throughout the vehicle repair process to assure that prefection is achieved. We treat every vehicle as if it were our own..