Single Source

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

• Automobile Parts & Supplies
• Technical Manual Preparation & Publication

North American Industry Classification System (NAICS) Categories:

• Automotive Parts And Accessories Stores
• Other Scientific And Technical Consulting Services > Commercial & Literacy Writings > Writers Technical

Standard Industry Classification (SIC) Categories:

• Auto & Home Supply Stores
• Services, Nec > Commercial & Literacy Writings > Writers Technical