National Gypsum Company

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

• Building Materials & Supplies
• Manufacturers Agents & Representatives

North American Industry Classification System (NAICS) Categories:

• Other Miscellaneous Durable Goods Merchant Wholesalers > Manufacturers Agents & Representatives
• Other Building Material Dealers

Standard Industry Classification (SIC) Categories:

• Durable Goods, Nec > Manufacturers Agents & Representatives
• Lumber & Other Building Materials