333519 - Rolling Mill and Other Metalworking Machinery Manufacturing

Introduction

NAICS Code 333519 represents a vital segment in the Manufacturing sector, focusing on the production of rolling mills and other metalworking machinery. These machines are the backbone of metal fabrication and processing industries, playing a critical role in shaping, cutting, and forming metal products used in countless applications. Whether it’s for constructing buildings, automotive parts, or industrial equipment, businesses under NAICS 333519 supply the advanced machinery essential for metalworking success.

What is NAICS Code 333519?

NAICS 333519 pertains to establishments primarily engaged in manufacturing rolling mills and various other metalworking machines. These machines include a diverse array of equipment such as bar mills, billet mills, coil winding machines, cold rolling mills, pickling lines, and more — all designed to manipulate metal into desired forms and specifications.

Key aspects covered under this code:

• Rolling mill machinery manufacturing
• Metal shaping and cutting machine production
• Fabrication equipment essential for metal processing industries

Sector Overview and Business Activities

Sector: Manufacturing
This industry belongs to the broader manufacturing sector, with a specialized focus on metalworking machinery.

Typical Business Activities

Organizations classified under NAICS 333519 often engage in:

• Designing and producing rolling mills – machines that roll metal into sheets, bars, rods, or other shapes
• Manufacturing machines used for cutting, forming, and shaping metal components
• Assembling specialized equipment such as wire drawing machines and galvanizing lines
• Developing custom machinery for clients in steel production, automotive, aerospace, and construction sectors

Examples of Businesses

• Rolling mill manufacturers
• Metalworking machinery producers
• Manufacturers of metal forming and cutting machines
• Specialized equipment fabricators for wire drawing and galvanizing

Size Standards for NAICS 333519

Businesses classified under NAICS Code 333519 typically have a size standard threshold of 500 employees for eligibility in federal contracts and small business programs. This means that companies with 500 or fewer employees generally qualify as small businesses within this classification.

Detailed Code Activities Table

Code Detail	Description
Assembly machines (wire making equipment)	Manufacturing machines that assist in wire production assembly
Bar mill machinery, metalworking	Producing machinery that forms metal bars
Billet mill machinery, metalworking	Manufacturing equipment used in billet forming
Blooming and slabbing mill machinery	Producing machines for blooming/slabbing processes
Coil winding and cutting machinery	Manufacturing coil winding and cutting equipment
Cold rolling mill machinery, metalworking	Producing machinery that performs cold rolling
Cradle assembly machinery (wire making)	Manufacturing assembly machines for wire making
Draw bench machines	Machines for drawing metal into wire or other profiles
Galvanizing machinery	Producing machines used for metal galvanizing
Hot strip mill machinery, metalworking	Manufacturing machinery for hot strip processing
Hot-rolling mill machinery, metalworking	Producing equipment that performs hot rolling
Marking machines, metal	Manufacturing machines for metal marking
Picklers and pickling machinery, metalworking	Manufacturing machines used in metal pickling
Pipe and tube rolling mill machinery, metalworking	Producing rolling mill machines for pipes/tubes
Plate rolling mill machinery, metalworking	Manufacturing plate rolling machines
Propeller straightening presses	Producing presses that straighten propellers
Rod rolling mill machinery, metalworking	Manufacturing rod forming rolling mill machinery
Rolling mill machinery and equipment, metalworking	Producing various rolling mill machines
Rolling mill roll machines, metalworking	Manufacturing rolls used in rolling mills
Scarfing units, rolling mill machinery, metalworking	Producing scarfing units for rolling mills
Screwdowns and boxes machinery, metal	Manufacturing adjusting devices in rolling mills
Screwdriving machines	Producing screwdriving equipment
Structural rolling mill machinery, metalworking	Manufacturing rolling equipment for structural shapes
Tube rolling mill machinery, metalworking	Producing rolling machinery for tubes
Wire drawing and fabricating machinery & equipment (except dies)	Manufacturing wire drawing machines excluding the dies

Frequently Asked Questions (FAQ)

What types of machinery are manufactured under NAICS 333519?

This NAICS code includes rolling mills, bar and billet mills, coil winding, cold and hot rolling mills, galvanizing machines, pickling equipment, wire drawing machinery, and other metalworking machines.

Which industries rely on NAICS 333519 machinery?

Industries like steel manufacturing, automotive, aerospace, construction, and wire fabrication heavily rely on these machines for shaping, cutting, and forming metal.

What is the employee size standard for this NAICS code?

Businesses are considered small under NAICS 333519 if they have 500 or fewer employees.

Can small businesses participate in government contracts with NAICS 333519?

Yes, small businesses under this code can qualify for government contracts if they meet the size standard.

How does NAICS 333519 differ from other metalworking machinery codes?

NAICS 333519 specifically focuses on rolling mills and other related metalworking machines, whereas other codes might cover separate types of metal fabrication machinery.

Conclusion

NAICS Code 333519 covers a crucial niche within the Manufacturing sector, dedicated to producing rolling mills and various metalworking machinery. These machines support major industrial processes in metal fabrication, shaping the backbone of many manufacturing value chains. Whether you’re a business looking to classify your operations or a contractor searching for specialized manufacturers, understanding NAICS 333519 is key to navigating this essential industrial segment.

---

Use this guide to optimize your government contracting strategy or business classification related to rolling mill and metalworking machinery manufacturing under NAICS 333519.