National Quartz

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

• Semiconductors & Equipment

North American Industry Classification System (NAICS) Categories:

• Electrical Apparatus And Equipment, Wiring Supplies, And Related Equipment Merchant Wholesalers > Electrical Apparatus & Equipment > Semiconductors & Equipment

Standard Industry Classification (SIC) Categories:

• Electrical Apparatus & Equipment > Electrical Apparatus & Equipment, Nec > Semiconductors & Equipment