American Dental Association (ADA)
http://www.ada.org/

Association of Indiana Dental Laboratories (AIDL) (formerly the Commercial Dental Laboratories of Indiana)
http://www.cdli.net/

Commission on Dental Accreditation (CODA)
http://www.ada.org/117.aspx

National Association of Dental Laboratories (NADL)
http://www.nadl.org/

National Board for Certification in Dental Laboratory Technology (NBCDLT)
http://www.nbccert.org/

State Laboratory Associations
Illinois Dental Laboratory Association (IDLA)
http://www.idla.com/

Kentucky Dental Laboratory Association (KDLA)
http://www.kydla.com/

Ohio Dental Laboratory Association (ODLA)
http://www.theodla.org/

Michigan Association of Commercial Dental Laboratories (MACDL)
http://www.macdl.org/default.php

Resources
Journal of Dental Technology
http://www.jdtunbound.com/

Lab Management Today
http://www.lmtmag.com/