CARL MFG. USA, Inc. Headquarters
1135 Tower Road
Schaumburg, IL 60173
Call Customer Support
1 (800) 257-4771, ext. 100
Customer Service Representatives are available to assist you weekdays from 9:00 a.m. to 5:00 p.m. CST.
Our automated telephone system allows you to leave a voice mail message after-hours.
Fax Customer Support
Email Customer Support