First Class Express

First Class Express is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Shipping & Packaging Services

North American Industry Classification System (NAICS) Categories:

• Direct Mail Advertising > Mailing Services
• Packaging And Labeling Services > Packaging Shipping & Labeling Services

Standard Industry Classification (SIC) Categories:

• Courier Services, Except By Air > Mailing Services
• Business Services, Nec > Packaging Shipping & Labeling Services