These sites may prove to be of interest to you as you determine your metrology and test needs.

• American Association for Laboratory Accreditation (A2LA)
• American Institute of Physics
• American Society of Test Engineers
• Cal Lab - The International Journal of Metrology
• Medical Device Industry Resources
• National Science Foundation
• NIST - National Institute of Standards and Technology
• Semiconductor industry Association
• Telecommunications Industry Association
• General Resistance Cross Reference Guide