Gcj Manufacturing is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Jewelers Wholesale & Manufacturers

North American Industry Classification System (NAICS) Categories:

• Jewelers' Material And Lapidary Work Manufacturing

Standard Industry Classification (SIC) Categories:

• Jewelers' Findings And Materials, And Lapidary Work
• Jewelry, Watches, Precious Stones, And Precious Metals > Jewelry Brokers & Buyers