Surface Flow Control

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

• Culverts
• Engineers Civil
• Pipe

North American Industry Classification System (NAICS) Categories:

• Highway, Street, And Bridge Construction > Tunneling Contractors > Culverts
• Metal Service Centers And Other Metal Merchant Wholesalers > Pipe & Related Products > Pipes Wholesale
• Engineering Services > Engineers Construction & Civil

Standard Industry Classification (SIC) Categories:

• Bridge, Tunnel, And Elevated Highway Construction > Tunneling Contractors > Culverts
• Metals Service Centers & Offices > Pipe & Related Products > Pipes Wholesale
• Engineering Services > Engineers Construction & Civil