Updated Oct 2026
📍 4376 Cranwood Pkwy, Cleveland, OH, 44128
📞 216-781-4120
🌐 gemtesting.com
Gem Testing is an engineering consulting firm located in Cleveland, Ohio. The company offers specialized services in gemological testing and analysis. Although its online presence has not been updated recently, it continues to serve clients in the Cleveland area.
📍 9700 Rockside Rd Ste 290, Cleveland, OH, 44125
📞 216-901-6711
🌐 iec-inc.cc
📍 1113 Rockside Rd Ste 5 Ste 9, Parma, OH, 44134
📞 216-642-7530
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📞 216-896-7243
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📞 330-963-6888
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📞 216-400-6122
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📞 330-405-9810
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📞 216-357-3469
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📞 216-875-0100