Duff Excavation

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

• Demolition & Wrecking Contractors
• Excavating Contractors

North American Industry Classification System (NAICS) Categories:

• Site Preparation Contractors

Standard Industry Classification (SIC) Categories:

• Excavation Work
• Wrecking & Demolition Work