GD&T Related Links
- ASME International - Geometric Dimensioning and Tolerancing Profesional
- American Society of Mechanical Engineers (ASME)
- Society of Manufacturing Engineers (SME)
- Nat'l Institute for Cert. in Eng. Tech. (NICET)
- Society of Automotive Engineers (SAE)
- eFunda - online engineering resources
- Nat'l Institute of Standards and Technology