NAICS 2022 nationalIndustry USA Verified: Census NAICS 2022 · 2026-01-01

NAICS 333519 — Rolling Mill and Other Metalworking Machinery Manufacturing

Rolling Mill and Other Metalworking Machinery Manufacturing

NAICS 333519 is the national industry code for rolling mill and other metalworking machinery manufacturing establishments in the United States. The Small Business Administration sets a size standard of 500 for this classification. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.

SBA: 500 View full SBA standard

Related industries in 33351 (Metalworking Machinery Manufacturing)

View parent 33351

333511

Industrial Mold Manufacturing

333514

Special Die and Tool, Die Set, Jig, and Fixture Manufacturing

333515

Cutting Tool and Machine Tool Accessory Manufacturing

333517

Machine Tool Manufacturing

Exclusions & Cross-References

Activities classified under other official NAICS codes:

manufacturing cutting dies (except metal cutting), hand tools (except power-driven), precision measuring devices, and saw blades and handsaws (See 332210 Cutlery and hand tool manufacturing (CAN))
manufacturing machinery for cutting and forming wood (See 333245 Sawmill and woodworking machinery manufacturing (CAN))
manufacturing moulds for die-casting and foundry casting, plaster working, rubber and plastics working, glass working and similar machinery (See 333511 Industrial mould manufacturing (US))
manufacturing power-driven hand tools, welding and soldering equipment, and industrial robots (See 333990 All other general-purpose machinery manufacturing (CAN))

Official Illustrative Examples

Primary activities officially recognized by Census Bureau / Statistics Canada:

automatic screw machines, manufacturing die-casting machines, metalworking, manufacturing dies, metalworking (except threading), manufacturing forging machinery and hammers, manufacturing jigs and fixtures, for use with machine tools, manufacturing machine tool attachments and accessories, manufacturing machine tools, rebuilding metal forming machine tools, manufacturing milling machines, metalworking, manufacturing presses (e.g., punching, shearing, stamping), metal forming, manufacturing rolling mill machinery and equipment, metalworking, manufacturing saws, metal cutting (except hand-held), manufacturing

Complete Index of Activities (159 recognized activities) ▼

angle rings (i.e., machine tool accessory), manufacturing

arbor presses, metalworking, manufacturing

arbors (i.e., machine tool accessory), manufacturing

assembly machines (e.g., rotary transfer, in-line transfer), manufacturing

automatic screw machines, manufacturing

bar mill machinery, manufacturing

beading machines, metalworking, manufacturing

bending and forming machines, metalworking, manufacturing

billet mill machinery, manufacturing

bits and knives, for metalworking lathes, planers and shapers, manufacturing

blooming and slabbing mill machinery, manufacturing

brakes, metalworking, manufacturing

broaches (i.e., machine tool accessory), manufacturing

broaching machines, metalworking, manufacturing

brushing machines, metalworking, manufacturing

buffing and polishing machines, metalworking, manufacturing

burnishing machines, metalworking, manufacturing

cams (i.e., machine tool accessory), manufacturing

can forming machines, metalworking, manufacturing

chamfering machines, metalworking, manufacturing

chasers (i.e., machine tool accessory), manufacturing

chemical milling machines, metalworking, manufacturing

chucks or mandrels (i.e., machine tool accessory), manufacturing

clamps (i.e., machine tool accessory), manufacturing

coil winding and cutting machinery, metalworking, manufacturing

cold rolling mill machinery, metalworking, manufacturing

collars (i.e., machine tool accessory), manufacturing

collets (i.e., machine tool accessory), manufacturing

counterbores, metalworking, manufacturing

countersinks (i.e., machine tool accessory), manufacturing

cradle assemblies machinery (i.e., wire making equipment), manufacturing

crankshaft grinding machines, manufacturing

custom roll forming machines, metalworking, manufacturing

cutoff machines, metalworking, manufacturing

cutters, metal milling, manufacturing

cutting dies, metalworking, manufacturing

cutting machines, metalworking, manufacturing

cylinder boring machines, manufacturing

deburring machines, metalworking, manufacturing

diamond dies, metalworking, manufacturing

die sinking machines, metalworking, manufacturing

die-casting machines, metalworking, manufacturing

dies and die holders for metal cutting and forming (except threading), manufacturing

dies, metalworking (except threading), manufacturing

dies, plastics forming, manufacturing

dies, steel rule, metalworking, manufacturing

dies, thread cutting, manufacturing

diesets for metal stamping presses, manufacturing

draw benches machinery, manufacturing

drill bits, metalworking, manufacturing

drill presses, metalworking, manufacturing

drilling machines, metalworking, manufacturing

drop hammers, metal forging and shaping, manufacturing

duplicator machines (e.g., key cutting), metalworking, manufacturing

electro-chemical milling machines, metalworking, manufacturing

electrolytic metal cutting machines, manufacturing

electron-discharge metal cutting machines, manufacturing

extruding machines, metalworking, manufacturing

extrusion dies, for use with all materials, manufacturing

facing machines, metalworking, manufacturing

files (i.e., machine tool accessory), manufacturing

filing machines, metalworking, manufacturing

flange facing machines, metalworking, manufacturing

forging machinery and hammers, manufacturing

forming machines, metalworking, manufacturing

galvanizing machinery, manufacturing

gear chamfering machines, metalworking, manufacturing

gear cutting and finishing machines, metalworking, manufacturing

gear rolling machines, metalworking, manufacturing

grinding machines, metalworking, manufacturing

hobs (i.e., metal gear cutting tool), manufacturing

home workshop metal cutting machine tools (except hand tools), manufacturing

honing and lapping machines, metalworking, manufacturing

honing heads (i.e., machine tool accessory), manufacturing

hopper feed devices (i.e., machine tool accessory), manufacturing

hot strip mill machinery, metalworking, manufacturing

inserts, cutting tool, manufacturing

jigs (e.g., inspection, gauging, checking), manufacturing

jigs and fixtures, for use with machine tools, manufacturing

key cutting machines, manufacturing

knurling machines, manufacturing

laser boring, drilling and milling machines, metalworking, manufacturing

lathes, metal cutting, manufacturing

letter pins (e.g., gauging, measuring), manufacturing

machine knives, metalworking, manufacturing

machine tool attachments and accessories, manufacturing

machine tools, metal cutting, manufacturing

machine tools, metal forming, manufacturing

machine tools, rebuilding

magnetic forming machines, metalworking, manufacturing

marking machines, metalworking, manufacturing

metal deposit forming machines, manufacturing

metal forming machine tools, manufacturing

milling machines, metalworking, manufacturing

nail heading machines, manufacturing

numerically controlled metal cutting machine tools, manufacturing

picklers and pickling machinery, metalworking, manufacturing

pipe and tube rolling mill machinery, metalworking, manufacturing

pipe cutting and threading machines, metalworking, manufacturing

planers, metalworking, manufacturing

plasma jet spray metal forming machines, manufacturing

plasma metal cutting machines (except welding machines), manufacturing

plate rolling mill machinery, metalworking, manufacturing

powder metallurgy forming presses, manufacturing

press brakes, metalworking, manufacturing

presses (e.g., punching, shearing, stamping), metal forming, manufacturing

presses, drill, metal cutting, manufacturing

propeller straightening presses, manufacturing

punches, for use with machine tools, manufacturing

punching machines, metalworking, manufacturing

pushers (i.e., machine tool accessory), manufacturing

reamers (i.e., machine tool accessory), manufacturing

reaming machines, metalworking, manufacturing

rebuilding machine tools, metal cutting types

rebuilding machine tools, metal forming types

rifling machines, metalworking, manufacturing

riveting machines, metalworking, manufacturing

rod rolling mill machinery, metalworking, manufacturing

rolling mill machinery and equipment, metalworking, manufacturing

rotary indexing tables, machine tool, manufacturing

sawing machines, metalworking, manufacturing

saws, metal cutting (except hand-held), manufacturing

scarfing units, rolling mill machinery, manufacturing

screw and nut slotting machines, metalworking, manufacturing

screwdowns and boxes machinery, metal, manufacturing

screwdriving machines, manufacturing

shaving machines, metalworking, manufacturing

shearing machines, metal forming, manufacturing

sheet metal forming machines, manufacturing

slotting machines, metalworking, manufacturing

spinning machines, metalworking, manufacturing

spline rolling machines, manufacturing

spring winding and forming machines, metalworking, manufacturing

stamping machines, metalworking, manufacturing

stretching machines, metalworking, manufacturing

structural rolling mill machinery, metalworking, manufacturing

subpresses, machine tool, manufacturing

swaging machines, metalworking, manufacturing

tapping machines, metalworking, manufacturing

taps and dies (i.e., machine tool accessory), manufacturing

thread cutting dies (i.e., a machine tool accessory), manufacturing

thread rolling machines, metalworking, manufacturing

threading machines, metalworking, manufacturing

threading toolholders, manufacturing

toolholders (i.e., machine tool accessory), manufacturing

tools and accessories for machine tools, manufacturing

tracing and tapering machine tool attachments, manufacturing

tube rolling mill machinery, metalworking, manufacturing

turning machines (i.e., lathes), metalworking, manufacturing

turret lathe, metalworking, manufacturing

ultrasonic boring, drilling and milling machines, metalworking, manufacturing

ultrasonic metal forming machines, manufacturing

upsetters (i.e., forging machines), manufacturing

valve grinding machines, metalworking, manufacturing

vises (i.e., machine tool accessory), manufacturing

welding positioners (i.e., jigs), manufacturing

wheel turning equipment (i.e., machine tool accessory), manufacturing

wire drawing and straightening dies, metalworking, manufacturing

wire drawing machines, metalworking, manufacturing

Official data

Feature	Description
Official name	North American Industry Classification System (NAICS) 2022
Issuing authority	U.S. Census Bureau with OMB, Statistics Canada, and INEGI
Tax authority	Internal Revenue Service (IRS)
Purpose	Statistical business classification and federal contracting (SAM.gov, SBA standards)
Used in	SAM.gov registration, SBA size determinations, IRS tax classification, SEC EDGAR (via SIC crosswalk)
Active since	2022 (current edition)
Hierarchy level	Sector (2-digit)
Source	https://www.census.gov/naics/