Over 820 Certified Members and Growing
Overhead Door Technician Level 1
Total Technicians: 480Commercial Overhead Door Technician Level 2
Total Technicians: 226Overhead Door Support Advisor
Total Technicians: 90Commercial Overhead Door Support Advisor Level 2
Total Technicians: 25To contact a certified technician's member company in your area, please reach out to the CDI office.