Professional Gem Sciences Inc is an education management company based out of 5 S Wabash Ave Ste 1905, Chicago, Illinois, United States.
| Website | http://www.pgslaboratory.com/ |
| Revenue | $7.9 million |
| Employees | 1 (0 on RocketReach) |
| Address | 5 S Wabash Ave Ste 315, Chicago, Illinois 60603, US |
| Phone | +1 312-920-1541 |
| Technologies |
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| Industry | Education Management, Jewelry & Watch Retail, Retail |
| Keywords | Diamond Grading, Professional Gemologist, Gemological Laboratory, Expert Gemologist, Gemstone Testing, Gem Identification, Gemstone Certification, Gemstone Analysis, Jewelry Appraisal, Gemmology Courses, Jewelry Courses |
| Competitors | Brilliance.com, Shira Diamonds - Wholesale Diamonds & Engagement Rings, New York Diamond Exchange (view competitors) |
| SIC | SIC Code 80 Companies, SIC Code 807 Companies |
| NAICS | NAICS Code 621 Companies, NAICS Code 62 Companies, NAICS Code 62151 Companies, NAICS Code 6215 Companies |
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Professional Gem Sciences Inc Questions
The Professional Gem Sciences Inc annual revenue was $7.9 million in 2026.
Professional Gem Sciences Inc is based in Chicago, Illinois.
The NAICS codes for Professional Gem Sciences Inc are [621, 62, 62151, 6215].
The SIC codes for Professional Gem Sciences Inc are [80, 807].
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