Knife River Corporation

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

• Asphalt & Asphalt Products
• General Contractors & Building Contractors
• Concrete Ready Mix
• Excavating Contractors
• Rock
• Sand & Aggregate

North American Industry Classification System (NAICS) Categories:

• New Single-Family Housing Construction (Except Operative Builders) > Contractors, General
• Site Preparation Contractors
• Ready-Mix Concrete Manufacturing
• Home Centers > Masonry Materials & Supplies > Sand & Aggregate
• Other Building Material Dealers > Concrete/Cement & Products > Concrete - Ready-Mixed
• All Other Miscellaneous Store Retailers (Except Tobacco Stores) > Rock & Rock Products

Standard Industry Classification (SIC) Categories:

• General Contractors - Single-Family Houses > General Contractors - Residential
• Excavation Work
• Ready-Mixed Concrete
• Lumber & Other Building Materials > Masonry Materials & Supplies > Sand & Aggregate
• Lumber & Other Building Materials > Concrete Ready-Mixed
• Miscellaneous Retail Stores, Nec > Rock & Rock Products