Links and Information Center
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- National Association of Watch and Clock Collectors - The art and science of timekeeping
- AGTA American Gem Trade Association - Industry Gemstone Authority
- SNAG Society of North American Goldsmiths - Supports and advances the professional practice of artists, designers, jewelers, and metalsmiths
- American Gem Society - Jewelry trade organization dedicated to consumer protection
Schools and Training
- AWCI American Watchmakers - Clockmakers Institute - Classes, training, and resources for watchmaking and watch repair
- List of Watchmaker Training Schools in the United States
- List of Watchmaker Training Schools (Outside United States)
- List of Jewelers & Jewelry Training Schools in the United States
- GIA Gemological Institute of America - Industry recognized authority on gemology training and diamond grading
- EGL European Gemological Laboratory - Diamond grading laboratory
Other Links / services & Products
- Custom Engraving Plates - Engraving plates wholesale blanks and stamping
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