Duffield Associates

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

• Ballrooms
• Engineers Consulting

North American Industry Classification System (NAICS) Categories:

• Engineering Services > Engineers Consulting
• All Other Amusement And Recreation Industries > Dance Halls > Ballroom

Standard Industry Classification (SIC) Categories:

• Dance Studios Schools & Halls > Dance Halls > Ballroom
• Engineering Services > Engineers Consulting