Hydro

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

• Aluminum
• Aluminum Products Wholesale & Manufacturers

North American Industry Classification System (NAICS) Categories:

• Primary Aluminum Production
• Metal Service Centers And Other Metal Merchant Wholesalers > Aluminum & Tin Products > Aluminum

Standard Industry Classification (SIC) Categories:

• Primary Production Of Aluminum
• Metals Service Centers & Offices > Aluminum & Tin Products > Aluminum