Primary Source

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

• Educational Equipment & Supplies

North American Industry Classification System (NAICS) Categories:

• Office Supplies And Stationery Stores > Office & School Supplies > Educational Equipment & Supplies

Standard Industry Classification (SIC) Categories:

• Stationery Stores > Office & School Supplies > Educational Equipment & Supplies