Plainfield Historical Society is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Historical Places & Services
• Historical Societies
• Museums

North American Industry Classification System (NAICS) Categories:

• Scenic And Sightseeing Transportation, Land > Carnivals Fairs & Exhibitions > Historical Places & Services
• Museums
• Civic And Social Organizations > Organizations, Historical > Historical Societies

Standard Industry Classification (SIC) Categories:

• Amusement And Recreation Services, Nec > Carnivals Fairs & Exhibitions > Historical Places & Services
• Museums And Art Galleries > Museums, By Subject
• Membership Organizations, Nec > Organizations, Historical > Historical Societies