National Association Of Letter Carriers

National Association Of Letter Carriers is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Clubs Business & Professional
• Labor Organizations
• Associations, Clubs, & Organizations

North American Industry Classification System (NAICS) Categories:

• Civic And Social Organizations
• Professional Organizations > Professional Corporation > Clubs Business & Professional
• Labor Unions And Similar Labor Organizations

Standard Industry Classification (SIC) Categories:

• Professional Membership Organizations
• Labor Unions & Similar Labor Organizations
• Membership Organizations, Nec