List of California companies

List of California companies includes notable companies that are, or once were, headquartered in California.

0–9

* 20th Century Fox
* 23andMe
* 24 Hour Fitness

A

* ABM Industries
* ACC Capital Holdings
* AECOM
* AMD
* Accelrys
* Accept Software
* Activision
* Actuate Corporation
* Adaptec
* Adio
* Adobe Systems
* Advanced Micro Devices
* Aerojet
* Agilent Technologies
* Aldila
* Allergan
* American Apparel
* American Reprographics Company
* American Honda Motor Co., Inc.
* Ameriflight
* Ameriquest Mortgage
* Amgen
* Amy's Kitchen
* AnaSpec
* Andronico's
* Antec
* Apex Skypark, Inc.
* Apple Inc., parent company of FileMaker Inc.
* Applied Materials
* Applied Micro Circuits Corporation
* Ariba Inc.
* Aspen Education Group
* Autodesk
* Avalon Natural Products
* Averatec
* Avery Dennison

B

* BAX Global
* BMW of North America
* Baja Fresh
* Bank of America
* Bank of the West
* bebe stores
* Bechtel
* Beckman Coulter
* Behr (paint)
* Belkin
* Bell Microproducts
* Big 5 Sporting Goods
* Big Box Storage
* Big Dogs
* Bikram Yoga
* BioMarin Pharmaceutical
* Birdhouse Skateboards
* Birdwell
* Black Angus Steakhouse
* Black Bear Diner
* Black Box Distribution
* Black Label Skateboards
* Boeing Phantom Works
* Bon Appetit Bakery
* Brio Technology
* Bristol Farms, a division of SuperValu
* Broadcom
* Brown United, Inc
* Bubba Gump Shrimp Company
* Building Materials Holding Corporation
* Bullet Freight Systems
* Buy.com

C

* C1RCA
* CB Richard Ellis
* CKE Restaurants, parent of Carl's Jr., Hardee's, Green Burrito, Red Burrito and La Salsa.
* CNET
* California Pizza Kitchen
* Callaway Golf Company
* CalPERS
* Calpine
* CamelBak
* Cartridge World
* Cathay Bank
* Central Garden & Pet
* Century Theatres
* Cepheid
* Challenge Dairy Products
* Champion (spark plug)
* Charles Schwab Corp.
* Charlotte Russe (retailer)
* The Cheesecake Factory
* ChevronTexaco, owns Gulf Oil in the USA
* Chicken of the Sea
* Chiron Corporation
* Circle K - Western Region Offices
* Cisco Systems(Linksys)
* City National Bank
* Claim Jumper
* Clorox Company
* Coco's Bakery
* The Coffee Bean & Tea Leaf
* Color Experts International
* Core-Mark Holding
* Computer Sciences Corporation
* Con-way
* Corra Group
* Corsair Memory
* Cost Plus, Inc.
* Countrywide Financial
* Covad
* Crowley Maritime
* Cunard Line

D

* DIC Entertainment Corp.(U.S.)
* Daylight Transport
* Darkstar Skateboards
* DaVita
* DC Shoes
* Del Monte Foods
* Del Taco
* Delta Scientific
* Deluxe Distribution
* Diedrich Coffee
* DirecTV Group
* DiscoveRx
* Disney
* Dodge & Cox
* Dole Food Company
* DreamHost
* Driscoll's
* DVS Shoe Company
* Dwindle Distribution

E

* E-Loan
* EBSuite
* EVGA
* EZQuest
* Earth Tech Inc.
* Easton (company)
* East West Bank
* Easy Racers, Inc.
* eBay
* eCompanies
* Edison International, owns Southern California Edison
* El Pollo Loco
* Electra Bicycle Company
* Electronic Arts
* Elephant Bar
* Emerica
* Esurance
* Euphonix
* Experian
* Extreme Pizza

F

* Facedown Records
* Factory 2-U
* Fallen Footwear
* Famous Stars and Straps
* Farmers Insurance Group
* Fatburger
* First American Corporation
* Fisher Investments
* Fleetwood Enterprises
* Flip Skateboards
* Food 4 Less & Foods Co., a division of Kroger
* Forever 21
* Forum Snowboarding
* Fosters Freeze
* Fox Racing
* FOX Racing Shox
* Franklin Templeton Investments
* Frederick's of Hollywood
* Fresh Choice

G

* Gap, Inc., owns Old Navy stores
* Gateway
* GenCorp
* Genencor
* Genentech
* Geni.com
* Ghirardelli Chocolate Company
* Gilead Sciences
* Girl Skateboard Company
* Global One Lending
* Good Earth Teas
* Google
* Gottschalks
* Granite Construction
* Grocery Outlet
* Guess (clothing)
* Guitar Center
* Guittard Chocolate Company
* Gymboree

H

* Harris Department Store
* The Hat
* Health Net
* Herbalife
* HP
* HighPoint Technologies
* Hilton Hotels
* Hitachi America Ltd., multiple divisions and subsidiaries located in California
* Hot Dog on a Stick
* Hot Topic
* Hurley International
* Hyundai Motor America

I

* IHOP (restaurant)
* ITLA Capital Corporation
* In-N-Out Burger
* Independent Truck Company
* IndyMac Bank
* Ingram Micro
* Insider Pages
* Intel
* IntelliCorp (Software)
* International Lease Finance Corporation(ILFC)
* International Telegram
* Intuit
* Investools, Inc.
* Ipath
* It's a Grind Coffee House

J

* Jack in the Box
* Jacobs Engineering Group
* Jacuzzi
* Jamba Juice
* Jazzercise
* JBL
* Jelly Belly
* Jenny Craig, Inc.
* Jimboy's Tacos
* Johnny Rockets
* Juicy Juice
* Juniper Networks

K

* K2 Sports
* KB Home
* KLA Tencor
* Kashi Company
* Kikkoman International Inc.
* Kingston Technology
* Kirin Brewery of America LLC
* Klasky Csupo
* Kleiner, Perkins, Caufield & Byers
* Kole Imports

L

* LPL Financial
* LSI Corporation
* Lakai
* Lam Research
* Landmark Education
* Laserfiche
* Lazy Acres, a division of SuperValu
* Leap Wireless, parent company of Cricket Communications and Jump Mobile.
* Levi Strauss & Co.
* Live Nation
* Logitech
* Longs Drugs
* Lovecraft Biofuels
* Lucas Oil Products
* Lucasfilm
* Lucky Stores, a division of SuperValu

M

* Macerich
* Malibu Boats
* Matson Navigation Company
* Mattel
* Mazda North American Operations
* Maxim IC(Maxim Integrated Products)
* Maxygen
* McAfee
* The McClatchy Company
* McKesson Corporation
* Mel Bernie Company
* Memorex
* Mercury Insurance Group(Mercury General)
* Mendocino Redwood Company
* Mervyns
* Metro-Goldwyn-Mayer
* Metropark USA
* Metropolitan West Financial
* Microtek
* MIGUN USA CORP
* Miro Technologies
* Mitsubishi Motors North America, Inc.
* Molina Healthcare
* Mozilla Corporation
* Music World Corporation

N

* Naked Juice
* National Semiconductor
* NBC Universal
* Nestlé USA/Nestlé USA - Beverages Division
* NetApp
* Netflix
* Netgear
* NetZero
* Neurocrine Biosciences
* Newegg
* Niman Ranch
* The North Face
* Northrop Grumman
* Novellus Systems
* NOZA, Inc.
* Nugget Markets
* NUMMI
* NVIDIA

O

* O'Reilly Media
* Oakley, Inc.
* Occidental Petroleum
* Op
* OCZ Technology
* Oracle
* Osiris Shoes
* Osiris Corp. [http://www.rockerslair.tk/]

P

* Pacer International
* Pacific Gas and Electric Company
* Pacific Lumber Company
* Pacific Marine & Industrial [http://www.pacificmarine.net]
* Pacific LifeCorp Company
* Pacific Sunwear
* Palm, Inc.
* Panda Express
* Paramount Petroleum
* Paramount Pictures
* Parsons Corporation
* Party America
* Paxton Automotive
* PayPal
* Peet's Coffee & Tea
* Pelican Products, makers of the Pelican case
* PeoplePC
* Petco
* Pinnacle CEO Recruiters
* Pinnacle Systems
* Plan B Skateboards
* PMI Group
* Polar Air Cargo
* Potentia Media
* Powell Peralta
* PowerColor
* Premiere Radio Networks
* Princess Cruises
* Public Storage

Q

* Qualcomm
* Quantum Corp.
* Quest Software
* Quiksilver

R

* R. W. Lyall & Company, Inc.
* Raley's Supermarkets
* Ralphs, a division of Kroger
* Rambus
* Rasta Taco
* Real Mex Restaurants
* Redpine Signals Inc.
* Reliance Steel & Aluminum
* Rentech
* Republic of Tea
* Restoration Hardware
* Richard Schneider Enterprises, Inc.
* Riverdeep
* Road Runner Trucking
* Robert Half International
* Rosewill
* Ross Stores inc.
* Round Table Pizza
* Rubio's Fresh Mexican Grill
* Ruby's
* Rusty Surfboards
* Ryland Homes

* SD Entertainment & Kidtoon Films
* SIPphone
* SMC Networks
* Safeway(Pavilions, Vons)
* Saitek
* Saleen
* Salem Communications
* Samsung Activewear
* Samsung Semiconductor Inc.
* SanDisk
* Sanmina-SCI Corporation
* Santa Cruz Skateboards
* Save Mart Supermarkets
* Scantron
* Scharffen Berger Chocolate Maker
* Science Applications International Corporation, (SAIC)
* Scully Companies
* Seagate Technology(Maxtor)
* See's Candies
* Sempra Energy, owns Southern California Gas Company, San Diego Gas & Electric, Sempra Commodities, and Sempra Generation.
* Sephora USA, Inc.
* Sequoia Voting Systems
* Shakey's Pizza
* The Sharper Image
* Shubb
* Silicon Graphics
* Simpson Manufacturing Company
* Sir Speedy
* Sirna Therapeutics
* Skechers
* Smalltown
* Sole Technology
* Solectron
* Sony Pictures Entertainment
* Souplantation & Sweet Tomatoes
* Spansion
* Spectrum Organic Products, Inc
* Spitfire Media
* Standard Pacific Homes
* Stater Bros.
* Stereo Sound Agency
* Streaming Networks
* Submarina
* Sun-Maid
* Sun Microsystems
* Sunsweet Growers
* Super Talent Technology
* Supermicro
* Symantec
* Synnex
* { [Systat] }

T

* TRAMS, Inc.
* Taco Bell
* Tapatio Foods
* Tastee-Freez
* Teledyne
* Tetra Tech Inc.
* Thrasher magazine
* Ticketmaster
* Togo's
* Tommy's
* Toshiba America Consumer Products (TACP) Inc., Toshiba America Information Systems Inc., Toshiba America Medical Systems Inc., and Toshiba America Mri Inc.
* Toy Machine
* Toyota Motor Sales, U.S.A., Inc.
* Trader Joe's
* Transworld Skateboarding
* Tuff Shed
* Tutorz
* Tyr Sports, Inc.

U

* Unified Western Grocers
* Union Bank of California
* Universal Studios
* Univision
* Upper Deck Company
* URS Corp.
* UTStarcom

V

* Vans, Inc.
* Varian Medical Systems
* Venture Trucks
* VeriSign
* Veritas
* ViewSonic
* Vigor Gaming
* Virgin America
* Visa (credit card)
* Viz Media
* Vocera Communications
* Volcom
* Vox Footwear

W

* Warner Bros.
* Watson Pharmaceuticals
* Weatherbill
* Wells Fargo
* West Air
* West Coast Choppers
* Westamerica Bank
* Western Digital
* Wetzel's Pretzels
* Wienerschnitzel
* Williams-Sonoma, parent company of Pottery Barn
* Winchell's Donuts
* Wolfgang Puck Worldwide Inc.
* Woodfin Suite Hotels
* World Savings Bank

X

* Xilinx
* Xirrus

Y

* Yahoo!
* Yamaha Motor Corporation USA
* Yum-Yum Donuts

Z

* Z Gallerie
* Zero Skateboards
* Zoomerang.com