Penntrain

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

• Trade Organizations

North American Industry Classification System (NAICS) Categories:

• Business Associations > Organizations, Trade
• Other Similar Organizations (Except Business, Professional, Labor, And Political Organizations) > Organizations, Trade

Standard Industry Classification (SIC) Categories:

• Membership Organizations, Nec > Organizations, Trade