P.O. Box 9739 Naperville, IL 60567-9739
Ph: 630-355-7912 or 800-942-IDLA
Northwestern Dental Laboratory Peter M. Mayer, CDT
55 East Scully Drive Prof. Bldg. Schaumburg, IL 60193 Voice: 847-524-8900 Fax: 847-980-1588