Establishments primarily engaged in the production of welded or seamless steel pipe and tubes and heavy riveted steel pipe from purchased materials. Establishments primarily engaged in the production of steel, including steel skelp or steel blanks, tube rounds, or pierced billets, are classified in Industry 3312.

Northwest Pipe Company

Industrial Machinery Equipment & Automation

DEE Piping Systems

Oil & Gas Exploration & Services

Electrosteel Steels Ltd - India

Metals & Mining - General

PROLAMSA

Metals & Mining - General

Orrcon Steel National Office

Building Materials

Fabricated Piping Systems

Construction - General

Northshore Mining Company

Plumbing & HVAC Equipment