Manufacturing facilities in California
In 2024, California’s 44,839 manufacturing establishments employed 1,247,596 people and generated an annual payroll of $152.8 billion, according to the BLS Quarterly Census of Employment and Wages. The register lists 56,802 manufacturing facilities operating in 1,305 cities across California, with 217 facilities first seen this year. Tesla in Fremont is the largest manufacturing plant in the state, employing 16,609 people as of 2025.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, counties and cities
Biggest counties
Los Angeles13,656Orange5,620San Diego4,313Santa Clara3,862Alameda3,253San Bernardino2,739Riverside2,160Sonoma1,547All 58 counties
Los Angeles 13,656Orange 5,620San Diego 4,313Santa Clara 3,862Alameda 3,253San Bernardino 2,739Riverside 2,160Sonoma 1,547Ventura 1,295San Joaquin 1,212Sacramento 1,155Fresno 1,115San Mateo 1,112Napa 998Contra Costa 972Santa Barbara 877San Luis Obispo 865San Francisco 782Kern 739Stanislaus 720Solano 532Yolo 460Tulare 437Monterey 431Placer 400Santa Cruz 338Butte 289Merced 273El Dorado 266Marin 237Shasta 235Mendocino 198Madera 176Humboldt 174Nevada 131Kings 127Amador 117Imperial 113San Benito 93Sutter 90Yuba 84Colusa 80Tehama 79Glenn 71Calaveras 58Tuolumne 56Lake 55Siskiyou 37Plumas 23Mariposa 23Trinity 18Inyo 15Del Norte 14Lassen 13Mono 9Modoc 5Sierra 5Alpine 2
Biggest cities
Los Angeles2,642San Diego1,888San Jose1,421Santa Ana824Anaheim820San Francisco804Irvine767Sacramento745Fresno737Santa Clara731Fremont718Ontario670
Federal labor statistics counted at least 44,839 manufacturing establishments in California in 2024, employing about 1,247,596 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 56,802.
Facilities in California56,802 FACILITIES
| Facility | City | Industry | NAICS | Employees | Status |
|---|---|---|---|---|---|
| 280 Earth, INC. | Palo Alto | Chemical Manufacturing | 325998 | 1–19 | ACTIVE |
| 6s Machining Enterprises LLC | San Marcos | Fabricated Metal Product Manufacturing | 332710 | — | ACTIVE |
| Acon Laboratories, INC. | San Diego | Chemical Manufacturing | 325413 | — | ACTIVE |
| Adams Rite Aerospace, INC | Fullerton | Computer and Electronic Product Manufacturing | 334511 | 100–499 | ACTIVE |
| A & D Precision Manufacturing, INC. | Anaheim | Primary Metal Manufacturing | 331522 | — | ACTIVE |
| Advanced Bionics, LLC | Valencia | Computer and Electronic Product Manufacturing | 334510 | — | ACTIVE |
| Advanced Engineering & Edm, INC | Poway | Fabricated Metal Product Manufacturing | 332710 | 20–99 | ACTIVE |
| Advanced Machining Techniques, INC. | Morgan Hill | Fabricated Metal Product Manufacturing | 332710 | 20–99 | ACTIVE |
| Advanced Metal Mfg INC. | Simi Valley | Fabricated Metal Product Manufacturing | 332322 | — | ACTIVE |
| Advanced Structural Technologies, INC. | Oxnard | Primary Metal Manufacturing | 331521 | 100–499 | ACTIVE |
| Advantest America, INC | San Jose | Computer and Electronic Product Manufacturing | 334413 | 100–499 | ACTIVE |
| Aehr Test Systems | Fremont | Computer and Electronic Product Manufacturing | 334515 | 100–499 | ACTIVE |
| Aerocraft Heat Treating Co., INC. | Paramount | Fabricated Metal Product Manufacturing | 332811 | 20–99 | ACTIVE |
| Aerospace and Defense Manufacturing INC. | Temecula | Machinery Manufacturing | 333514 | — | ACTIVE |
| Aerospace Engineering LLC | Santa Ana | Fabricated Metal Product Manufacturing | 332710 | 20–99 | ACTIVE |
| Affinity Biosensors, LLC | Santa Barbara | Computer and Electronic Product Manufacturing | 334510 | — | ACTIVE |
| Agra Tech, INC. | Pittsburg | Fabricated Metal Product Manufacturing | 332311 | 1–19 | ACTIVE |
| Aircoat, INC | Los Angeles | Fabricated Metal Product Manufacturing | 332812 | — | ACTIVE |
| Aircraft Covers, INC. | Morgan Hill | Textile Product Mills | 314910 | 20–99 | ACTIVE |
| Airtronics Metal Products, INC. | Morgan Hill | Fabricated Metal Product Manufacturing | 332322 | — | ACTIVE |
| Align Precision-anaheim, LLC | Garden Grove | Fabricated Metal Product Manufacturing | 332710 | 100–499 | ACTIVE |
| Allblack Co., INC. | Whittier | Chemical Manufacturing | 325510 | 20–99 | ACTIVE |
| All Quality & Services INC | Fremont | Computer and Electronic Product Manufacturing | 334412 | 20–99 | ACTIVE |
| Alluxa, INC. | Santa Rosa | Nonmetallic Mineral Product Manufacturing | 327215 | 20–99 | ACTIVE |
| All-ways Metal, INC. | Gardena | Fabricated Metal Product Manufacturing | 332322 | 20–99 | ACTIVE |
| Aluminum Die Casting Company, INC. | Jurupa Valley | Primary Metal Manufacturing | 331523 | 20–99 | ACTIVE |
| A & M Biomedical INC. | Laguna Hills | Miscellaneous Manufacturing | 339112 | — | ACTIVE |
| A & M Engineering, INC. | Irwindale | Primary Metal Manufacturing | 331110 | 20–99 | ACTIVE |
| American Custom Meats, LLC | Tracy | Food Manufacturing | 311611 | — | ACTIVE |
| American Handforge | Rialto | Fabricated Metal Product Manufacturing | 332112 | 20–99 | ACTIVE |
| American Pacific Plastic Fabricators, INC. | Westminster | Plastics and Rubber Products Manufacturing | 326199 | 20–99 | ACTIVE |
| American Polymers CORP. | Santa Fe Springs | Chemical Manufacturing | 325510 | — | ACTIVE |
| American Tooth Industries | Oxnard | Miscellaneous Manufacturing | 339114 | — | ACTIVE |
| Ametek Programmable Power, INC. | San Diego | Computer and Electronic Product Manufacturing | 334418 | 100–499 | ACTIVE |
| A M I/ Coast Magnetics INC. | Los Angeles | Computer and Electronic Product Manufacturing | 334416 | 20–99 | ACTIVE |
| Amro Fabricating CORP | South El Monte | Fabricated Metal Product Manufacturing | 332114 | 100–499 | ACTIVE |
| Amtec Industries INC | Pleasanton | Computer and Electronic Product Manufacturing | 334513 | 20–99 | ACTIVE |
| Anacom General Corporation | Anaheim | Computer and Electronic Product Manufacturing | 334118 | — | ACTIVE |
| Anaerobe Systems | Morgan Hill | Chemical Manufacturing | 325413 | — | ACTIVE |
| Analytical Industries, INC. | Pomona | Computer and Electronic Product Manufacturing | 334513 | 20–99 | ACTIVE |
| Andpak, INC | Morgan Hill | Beverage and Tobacco Product Manufacturing | 312230 | — | ACTIVE |
| Antibodies Incorporated | Davis | Chemical Manufacturing | 325412 | — | ACTIVE |
| Anvil Cases - CA | Covina | Wood Product Manufacturing | 321920 | 20–99 | ACTIVE |
| Applied Physics Systems, INC. | Mountain View | Computer and Electronic Product Manufacturing | 334519 | — | ACTIVE |
| Ap Precision Metals, INC | San Diego | Textile Mills | 313320 | 20–99 | ACTIVE |
| Approved Aeronautics, LLC | Corona | Computer and Electronic Product Manufacturing | 334511 | — | ACTIVE |
| Apricot Designs, INC. | Covina | Computer and Electronic Product Manufacturing | 334516 | — | ACTIVE |
| Arcadia Chair Company | La Palma | Furniture and Related Product Manufacturing | 337121 | 100–499 | ACTIVE |
| Arch Medical Solutions Escondido LLC | Escondido | Miscellaneous Manufacturing | 339112 | 20–99 | ACTIVE |
| Ark Diagnostics, INC. | Fremont | Chemical Manufacturing | 325413 | — | ACTIVE |

