The following list of companies is not endorsed by ASME International.  It is solely intended to provide resources of geometric dimensioning and tolerancing materials for professionals interested in achieving ASME GDTP Senior or Technologist level Certification.   It is the responsibility of the professional to determine the details of the program and it's relevance to the ASME Standard Y14.5M.   ASME makes no guarantee that any of the following programs conform to the ASME Y14.5M standard. 

ASME
Website: ASME Digital Store

ASME Press
Contact: Mary Grace Stefanchik, stefanchikm@asme.org
Tel. 212.591.7962

Y14.5.2 - 2000 Certification of Geometric Dimensioning and Tolerancing Professionals
This Standard establishes certification requirements for a Geometric Dimensioning and Tolerancing Professional (GDTP). Certification will be based upon the current edition of the Y14.5 Dimensioning and Tolerancing Standard, its appendices, and the application of its principles and concepts.  For more information, click here.

Advanced Dimensional Management
Contact:  Bryan Fischer, brfishcer@advdm.com
Tel. 503.625.2480
16004 SW Tualatin-Sherwood Rd. #163
Sherwood, OR 97140
Website:  http://www.advdm.com

Our Senior Level GD&T Professionals offer Beginning, Intermediate and Advanced GD&T, Toleralnce Analysis and Dimensional Management Training worldwide.  Our training can be customized to your products and services to ensure it is understood and satisfies your needs.  We also offer Consulting, Mentoring, Checking and Oversight services.

Our book "The Journeyman's Guide to Geometric Dimensioning and Tolerancing:  GD&T for a New Millennium" is an excellent resource, including coverage from basic to advanced concepts.  We also offer a variety of books on Tolerence Stackups and Tolerance Analysis.

Study Guide for Certification of Geometric Dimensioning and Tolerancing Professionals (ASME GDTP), in accordance with the ASME Y14.5.2-2000 Standard, by Robert Nickolaisen. This Study guide has been written to assist individuals prepare for certification as a Geometric Dimensioning and Tolerancing Professional (GDTP) through the American Society of Mechanical Engineers (ASME).  For more information, click here.

TWI Press
Contact: Bret Ridgway, info@maintenanceresources.com
Phone: 812-232-0753
120 South 7th Street
Terre Haute, IN 47807
Website: http://www.maintenanceresources.com/ProductsShowcase/ProductListing/gdtpage.htm

MaintenanceResources.com is your source for the ASME Y14.5M - 1994 Standard and a variety of books, videos and training CD-ROMs on geometric dimensioning and tolerancing. You'll find the publications and training programs from leading publishers like Effective Training, Tec-Ease, Goodheart-Wilcox, Industrial Press, ASME and the Society of Manufacturing Engineers.