DuTrac Community Credit Union, headquartered in Dubuque, IA is a $1.1 billion, full-service, financial cooperative owned by and serving nearly 55,000 members in the Tri-States area of Iowa, Illinois, and Wisconsin from 14 branches and one mobile branch office. DuTrac.org It's all possible with DuTrac! DuTrac Community Credit Union was chartered in 1946 to provide financial services to employees of John Deere Dubuque Tractor Works. Since 1986, DuTrac has enjoyed serving individuals, families, and businesses who live, work, and play in the Tri-State area.