Cutting Edge Technology With A Clear VisionNo categoriesWelcome to Winger Contracting Company!Winger Contracting Company is a full line mechanical contracting company specializing in plumbing, millwright, steel fabrication, process piping, refrigeration, and maintenance services. Also dedicated to electrical, fire sprinkler systems, HVAC, and data technology.We have partnered our professional results with quality entities such as: 3M Company, Ajinomoto Heartland, Cargill Corn Milling, Cargill Meat Solutions, Dr Pepper Snapple Group, John Deere, Ottumwa Community Schools, Ottumwa Regional Health Center, Rathbun Regional Water Association, Davis and Van Buren Schools and others. more... See more text