Penn State Extension is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Educational Cooperative Organizations
• Government Offices
• Government Offices State
• Social Service Organizations

North American Industry Classification System (NAICS) Categories:

• Other Social Advocacy Organizations
• Professional Organizations > Professional Corporation > Educational Cooperative Organizations
• Executive Offices > Executive Offices, State & Local > Government Offices State

Standard Industry Classification (SIC) Categories:

• Social Services, Nec
• Professional Membership Organizations > Education Associations & Organizations > Educational Cooperative Organizations
• Executive Offices > Executive Offices, State & Local > Government Offices State