FactoryRegistry

Manufacturing facilities in California

As of JUL 2026, FactoryRegistry lists 49,721 manufacturing facilities in California, sourced from EPA, OSHA and Census records.

FACILITIES
49,721
RECENT OPERATING SIGNAL
12,611
COUNTIES WITH FACILITIES
58
MAPPED
47,949
96% located

Top industries in California

Fabricated Metal Product Manufacturing6,514Computer and Electronic Product Manufacturing5,597Chemical Manufacturing5,062Transportation Equipment Manufacturing4,623Machinery Manufacturing4,515Miscellaneous Manufacturing3,712Food Manufacturing3,637Nonmetallic Mineral Product Manufacturing2,870

Counties

Los Angeles (12,433)Orange (5,308)Santa Clara (3,796)San Diego (3,762)Alameda (3,125)San Bernardino (2,591)Riverside (1,874)Ventura (1,165)San Mateo (1,072)San Joaquin (1,058)Fresno (1,051)Sacramento (1,005)Contra Costa (885)Sonoma (765)Kern (740)Stanislaus (695)San Francisco (678)Santa Barbara (599)Solano (482)San Luis Obispo (455)Yolo (436)Tulare (418)Placer (332)Monterey (307)Merced (270)Butte (265)Napa (265)Santa Cruz (210)Marin (200)Shasta (196)Madera (160)Kings (129)Humboldt (127)El Dorado (123)Imperial (104)Nevada (92)San Benito (86)Sutter (83)Mendocino (82)Colusa (79)

Top cities

Los Angeles (2,291)San Diego (1,675)San Jose (1,314)Santa Ana (772)Anaheim (739)Santa Clara (715)Fremont (698)Irvine (694)San Francisco (690)Fresno (655)

Facilities

Adams Rite Aerospace, INC
Fullerton, CA
ACTIVE334511EMP 100-499
Advanced Engineering & Edm, INC
Poway, CA
ACTIVE332710EMP 20-99
Advantage Metal Products, INC.
Livermore, CA
ACTIVE332322EMP 20-99
Advantest America, INC
San Jose, CA
ACTIVE334413EMP 100-499
Aehr Test Systems
Fremont, CA
ACTIVE334515EMP 100-499
Aerocraft Heat Treating Co., INC.
Paramount, CA
ACTIVE332811EMP 20-99
Agra Tech, INC.
Pittsburg, CA
ACTIVE332311EMP 1-19
A & M Engineering, INC.
Irwindale, CA
ACTIVE331110EMP 20-99
Ameriflex, INC.
Corona, CA
ACTIVE332999EMP 20-99
Amro Fabricating CORP
South El Monte, CA
ACTIVE332710EMP 100-499
Amtec Industries INC
Pleasanton, CA
ACTIVE334513EMP 20-99
Analytical Industries, INC.
Pomona, CA
ACTIVE334513EMP 20-99
Ap Precision Metals, INC
San Diego, CA
ACTIVE313320EMP 20-99
Astech Engineered Products INC
Santa Ana, CA
ACTIVE335991
Astro Seal, INC
Riverside, CA
ACTIVE334417EMP 1-19
Axiom Materials, INC.
Santa Ana, CA
ACTIVE313320EMP 100-499
Balanced Body INC
Sacramento, CA
ACTIVE339920EMP 100-499
Barry Avenue Plating Co.,inc
Los Angeles, CA
ACTIVE332813EMP 100-499
Bay Ship & Yacht CO
Alameda, CA
ACTIVE336611EMP 100-499
Bestforms LLC
Camarillo, CA
ACTIVE323111EMP 20-99
Biodot, INC.
Irvine, CA
ACTIVE333911EMP 20-99
Bodycote Thermal Processing INC
Fremont, CA
ACTIVE332811EMP 1-19
Bowman Plating Co., INC.
Compton, CA
ACTIVE332813EMP 100-499
Brown-pacific, INC.
Santa Fe Springs, CA
ACTIVE331222EMP 20-99
Buddy Bar Casting, LLC
South Gate, CA
ACTIVE331524EMP 100-499
C. A. Buchen CORP.
Sun Valley, CA
ACTIVE332312EMP 20-99
California Amforge CORP
Azusa, CA
ACTIVE332111EMP 100-499
California Screw Products CORP
Paramount, CA
ACTIVE331221EMP 20-99
Carlton Forge Works
Paramount, CA
ACTIVE331513EMP 100-499
Catalina Cylinders, INC.
Garden Grove, CA
ACTIVE331318EMP 20-99
Central Valley Meat Co., INC.
Hanford, CA
ACTIVE311611EMP 500+
Checkpoint Technologies LLC
San Jose, CA
ACTIVE334515EMP 20-99
Clw Foods, LLC
Vernon, CA
ACTIVE311611EMP 100-499
Continental Controls CORP
San Diego, CA
ACTIVE332911EMP 20-99
Continental Heat Treating, INC
Santa Fe Springs, CA
ACTIVE332811EMP 20-99
Continental Maritime of San Diego, LLC
San Diego, CA
ACTIVE336611EMP 100-499
Cpi Satcom & Antenna Technologies INC.
Torrance, CA
ACTIVE334220EMP 20-99
Crd Mfg, INC
Placentia, CA
ACTIVE332996EMP 1-19
Crest Coating, INC
Anaheim, CA
ACTIVE332812EMP 100-499
Crissair INC
Valencia, CA
ACTIVE332911EMP 100-499
Crown Technical Systems
Fontana, CA
ACTIVE332311EMP 100-499
Danco En, LLC
Ontario, CA
ACTIVE332813EMP 20-99
David Kopf Instruments
Tujunga, CA
ACTIVE339112EMP 20-99
Delta Hi-tech
Chatsworth, CA
ACTIVE332710EMP 100-499
Delta Scientific Corporation
Palmdale, CA
ACTIVE332312EMP 100-499
Deltronic CORP
Santa Ana, CA
ACTIVE332710EMP 20-99
Denali Therapeutics INC.
South San Francisco, CA
ACTIVE325412EMP 100-499
Designed Metal Connections INC
Gardena, CA
ACTIVE332721EMP 100-499
Dinsmore & Associates, LLC
Irvine, CA
ACTIVE325211EMP 20-99
Dlc Laboratories, INC.
Paramount, CA
ACTIVE325412EMP 20-99

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