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

• Associations, Clubs, & Organizations
• Social Workers

North American Industry Classification System (NAICS) Categories:

• Other Individual And Family Services > Social Workers & Services
• Civic And Social Organizations

Standard Industry Classification (SIC) Categories:

• Individual And Family Social Services > Social Workers & Services
• Membership Organizations, Nec