FactoryRegistry

Primary Metal Manufacturing

NAICS 331

As of JUL 2026, FactoryRegistry lists 8,239 primary metal manufacturing facilities in the United States, sourced from EPA, OSHA and Census records.

FACILITIES
8,239
STATES
53
TOP STATE
California
832 facilities

By state

California832Pennsylvania744Ohio626Illinois543Michigan474Texas441Indiana429Alabama279Wisconsin278Florida255Tennessee224Missouri219Kentucky217New York215Massachusetts164Georgia145New Jersey136Minnesota133Oregon132Washington128North Carolina118Arkansas113Colorado107Virginia104South Carolina102Oklahoma95Connecticut92West Virginia89Iowa88Arizona85Mississippi78Kansas64Utah61Louisiana60Rhode Island52New Hampshire45Nevada42Nebraska40Maryland31New Mexico29Idaho28Montana28Puerto Rico18Delaware13South Dakota10Vermont10Maine8Wyoming5District of Columbia3U.S. Virgin Islands2North Dakota2Alaska2Hawaii1

Common questions

How many primary metal manufacturing facilities are in the United States?

As of JUL 2026, FactoryRegistry lists 8,239 primary metal manufacturing facilities (NAICS 331) across 53 states, compiled from EPA, OSHA and Census records.

Which state has the most primary metal manufacturing facilities?

California, with 832 facilities listed.

Top cities

Chicago, IL (64)Houston, TX (48)Los Angeles, CA (46)Portland, OR (43)Cleveland, OH (39)Birmingham, AL (34)Milwaukee, WI (28)Tampa, FL (26)Phoenix, AZ (25)Santa Fe Springs, CA (23)Fontana, CA (23)Pittsburgh, PA (22)

Facilities

Abbott Ball Company the
West Hartford, CT
ACTIVE331111EMP 20-99
Accurate Castings INC
La Porte, IN
ACTIVE331511
Accurate Forming, LLC
Hamburg, NJ
ACTIVE331491EMP 20-99
Acme Foundry INC
Coffeyville, KS
ACTIVE331511EMP 100-499
Alpha Assembly Solutions, INC.
Altoona, PA
ACTIVE331491EMP 100-499
Alu-bra Foundry, INC.
Bensenville, IL
ACTIVE331524EMP 20-99
A & M Engineering, INC.
Irwindale, CA
ACTIVE331110EMP 20-99
American Cable Company
Philadelphia, PA
ACTIVE331222EMP 100-499
American Cast Iron Pipe Company
Birmingham, AL
ACTIVE331210EMP 500+
American Posts LLC
Toledo, OH
ACTIVE331110EMP 20-99
Ameridrives International LLC
Erie, PA
ACTIVE331221EMP 100-499
Arc Colorado, INC
Longmont, CO
ACTIVE331110EMP 100-499
Ashland Foundry & Machine Works, LLC
Ashland, PA
ACTIVE331513EMP 100-499
Atlantic Casting & Engineering CORP
Clifton, NJ
ACTIVE331522EMP 100-499
A. T. Wall CO
Warwick, RI
ACTIVE331210EMP 20-99
Bay Cast Technologies, INC.
Bay City, MI
ACTIVE331513EMP 20-99
Blair Strip Steel Company
New Castle, PA
ACTIVE331221EMP 20-99
Bocar Us, INC
Tanner, AL
ACTIVE331523EMP 100-499
Bridesburg Foundry Company
Whitehall, PA
ACTIVE331523EMP 20-99
Brown-pacific, INC.
Santa Fe Springs, CA
ACTIVE331222EMP 20-99
Buck Company, LLC
Quarryville, PA
ACTIVE331511EMP 100-499
Buddy Bar Casting, LLC
South Gate, CA
ACTIVE331524EMP 100-499
California Screw Products CORP
Paramount, CA
ACTIVE331221EMP 20-99
Carlton Forge Works
Paramount, CA
ACTIVE331513EMP 100-499
Cast Aluminum Solutions, LLC
Batavia, IL
ACTIVE331312
Cast Technologies INC
Peoria, IL
ACTIVE331524EMP 20-99
Catalina Cylinders, INC.
Garden Grove, CA
ACTIVE331318EMP 20-99
Chicago Metal Rolled Products Company
Chicago, IL
ACTIVE331221EMP 20-99
Cimini & Associates INC
Westerly, RI
ACTIVE331491EMP 20-99
Dynalloy, INC.
Irvine, CA
ACTIVE331491EMP 20-99
Eagle Alloy, INC.
Muskegon, MI
ACTIVE331513EMP 100-499
Eckart America CORP
Painesville, OH
ACTIVE325910EMP 20-99
Ellwood Crankshaft and Machine Company
Hermitage, PA
ACTIVE331221EMP 100-499
Ellwood Quality Steels Company
New Castle, PA
ACTIVE331110EMP 100-499
Elmet Technologies LLC
Lewiston, ME
ACTIVE331491EMP 100-499
Elyria Foundry Company LLC
Elyria, OH
ACTIVE331511EMP 100-499
Extruded Aluminum Company, LLC
Belding, MI
ACTIVE331316EMP 100-499
Fab Masters Company, INC.
Marcellus, MI
ACTIVE331318EMP 20-99
Federal Bronze Casting Industries, INC.
Newark, NJ
ACTIVE331525EMP 20-99
Ferno Washington, INC.
Wilmington, OH
ACTIVE331319EMP 100-499
Gc International, INC.
Camarillo, CA
ACTIVE331524EMP 20-99
General Foundry Service CORP
San Leandro, CA
ACTIVE331521EMP 20-99
Glidewell Specialties Foundry Company
Calera, AL
ACTIVE331511EMP 100-499
Global Tungsten & Powders LLC
Towanda, PA
ACTIVE325180EMP 100-499
Griswold Industries
Costa Mesa, CA
ACTIVE331511EMP 100-499
G & S Bar and Wire, LLC
Wooster, OH
ACTIVE331222EMP 20-99
Haynes International, INC.
Kokomo, IN
ACTIVE331491EMP 500+
H. Kramer & CO
Chicago, IL
ACTIVE331420EMP 100-499
Jamestown North America, LLC
Houston, TX
ACTIVE331491EMP 20-99
Jd Machine CORP
Ogden, UT
ACTIVE331315EMP 100-499

Search all 8,239 facilities →

Primary Metal Manufacturing facilities in the United States · FactoryRegistry