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We figured out the best biggest companies to work for in California using data on salaries, company financial health, and employee diversity. You can also search for the best biggest companies to work for in any other state or city.

Zippia score 4.4
The Lompoc Valley Medical Center, owned and operated by Lompoc Valley Medical Center, is a 60-bed general acute care rural, district hospital located in Lompoc, California.
Zippia score 4.3
DenMat provides dentists with a comprehensive solution for their busy practice: wide array of dental products, dental laboratory services and dental education.
Zippia score 4.3
The school district's Superintendent is Trevor McDonald.
Zippia score 4.1
Imerys Minerals California, Inc. offers diatomaceous earth mining services. It mines, mills, and processes diatomite into powders of various grades for use by industries in many applications, such as functional additive products, magnesium silicate, and calcium silicate. Imerys Minerals California, Inc. was formerly known as Celite Corporation. The company was incorporated in 1991 and is based in Lompoc, California. Imerys Minerals California, Inc. operates as a subsidiary of Imerys Filtration Minerals Inc.
Zippia score 4.0
Coasthills Credit Union is cooperative thrift and loan associationss (accepting deposits) organized under other than Federal charter to finance credit needs of itsmembers.
Zippia score 3.7
Based in Lompoc, CA; LOVARC provides jobs for persons with disabilities.
Zippia score 4.1
GeoDigital provides 3D data & spatial intelligence software for the utility & automotive industries. Driving safety, reliability, productivity & innovation.
Zippia score 3.6
At Home Services Inc is primarily engaged in furnishing operating counsel and assistance to managements of private, nonprofit, and public organizations. These establishments generally perform a variety of activities, such as strategic and organizational planning; financial planning and budgeting; marketing objectives and policies; information systems planning, evaluation and selection; human resource policies and practices planning; and production scheduling and control planning.
Zippia score 3.3
Horizon Well Logging, Inc is primarily engaged in performing oil and gas field services, not elsewhere classified, for others on a contract or fee basis. Services included are excavating slush pits and cellars; gradings and building of foundations at well locations; well surveying; running, cutting, and pulling casings tubes, and rods; cementing wells; shooting wells; perforating well casings; acidizing and chemically treating wells; and cleaning out, bailing, and swabbing wells.
Zippia score 4.6
Belcan Corp. is global supplier of engineering services to a diverse spectrum of industries. With more than 3,000 engineers and 20 locations, we are among the largest engineering companies in the U.S.
Zippia score 4.9
Southern California Gas is an oil and gas company that distributes natural gas in the United States. Its services also include residential services, energy efficiency programs, commercial, and Industrial Services.
Zippia score 4.5
ManTech was founded in 1968 to provide advanced technological services to the United States Government. We began with a single contract with the U.S. Navy to develop war-gaming models for the submarine community. Over the years, our government's technology needs have increased dramatically in scope and sophistication, and we have grown to meet that challenge.
Zippia score 4.1
Advance America, Cash Advance Centers Inc. provides cash advance services primarily in the United States. The company offers cash advance services comprising cash advances and installment loans to middle-income working individuals; check-cashing services; pre-paid debit cards; and money orders and money transfer, and bill payment services as an agent of a licensed third-party money transmitter. As of December 31, 2011, it operated 2,541 centers in 29 states in the United States, 33 centers in the United Kingdom, and 10 centers in Canada, as well as had 13 limited licensees in the United Kingdom. The company operates its centers under the Advance America, National Cash Advance, Check Advance, First American Cash Advance, First American Cash Loans, First American Loans, Purpose Financial, and Purpose Money brands. Advance America, Cash Advance Centers, Inc. was founded in 1997 and is headquartered in Spartanburg, South Carolina. As of April 23, 2012, Advance America, Cash Advance Centers Inc. operates as a subsidiary of Grupo Elektra SA de CV.
Zippia score 4.2
Boot Barn humble beginnings of a family run storefront to over 200 stores in 33 states.
Zippia score 4.8
In the Air National Guard, we bring people from diverse backgrounds together to defend freedom and protect communities - locally and globally.
Zippia score 4.3
American Tire Depot provides guaranteed lowest prices on tires and wheels. Discounted tire prices are available at more than 99 California locations.
Zippia score 4.8
Pierce Manufacturing is a US company based in Appleton, Wisconsin that manufactures customized fire and rescue apparatus and a wholly owned subsidiary of Oshkosh Corporation.
Zippia score 4.5
Allan Hancock College is a public community college in Santa Maria, California.
Zippia score 4.1
To improve the health of our patients by providing quality, primary health care services to people in the communities we serve regardless of language, financial or cultural barriers.
Zippia score 3.7
The Santa Barbara County Sheriff's Office provides law enforcement for the unincorporated areas of Santa Barbara County, California, as well as several cities within the county.
Zippia score 4.1
The National Audubon Society is an American non-profit environmental organization dedicated to conservation of birds and their habitats.
Zippia score 4.2
Founded by Vintner Bill Foley, Foley Food & Wine Society is dedicated to uniting three of life's biggest passions: wine, food, and travel.
Zippia score 4.2
Pacific Diagnostic Laboratories (PDL) is a clinical and anatomic lab that provides the highest quality healthcare services in the Central Coast and Southern California regions
Zippia score 4.6
Imerys SA is a French multinational company which specialises in the production and processing of industrial minerals.
Zippia score 4.6
CalPortland is a major diversified building materials and construction solutions provider to the Western United States and Canada since 1891.
Zippia score 3.5
Zippia score 4.1
GeoDigital provides 3D data & spatial intelligence software for the utility & automotive industries. Driving safety, reliability, productivity & innovation.
Zippia score 3.7
Achievement House is a nonprofit organization dedicated to providing vocational & community living services to individuals with developmental disabilities.
| Rank | Company | Zippia score |
|---|---|---|
| 1 | Lompoc Valley Medical Center | |
| 2 | DenMat | |
| 3 | Lompoc Unified School District | |
| 4 | Imerys Minerals California, Inc. | |
| 5 | Coasthills Credit Union | |
| 6 | lovarc2018 | |
| 7 | GeoDigital | |
| 8 | at Home Senior Services | |
| 9 | Horizon Well Logging, Llc |