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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 4.2
Corporate Personnel Network, Inc., doing business as Preferred Personnel of California Inc, provides healthcare plans and worker's compensation insurance to employees. The company also provides clerical and light industrial employees on a temporary or permanent basis. It offers risk management services, including identify potential risk, analysis of exposure to loss, workers compensation, post injury management, and return to work; and accounting services, including payroll. The company was founded in 1992 and is based in Los Alamitos, California.
Zippia score 4.5
Los Alamitos Medical Center is a Comprehensive Stroke Center that offers special programs for oncology and cardiology. Physician finder and hospital contact information.
Zippia score 4.1
At Discovery Behavioral Health, we believe that everyone deserves a happy, rewarding life. That's why we connect people, professionals and payors through a seamless network of evidence-based treatment centers in communities nationwide. Because when acc...
Zippia score 4.4
Arrowhead Products Corporation designs, analyzes, manufactures, and tests composite and metallic ducting systems, and components for aircraft, defense, and space markets. It offers metallic bellows and joints, bleed air ducting, elastomeric components, composites, thermal insulation, and space vehicle propulsion ducting products, as well as assembly kits for mounting hardware. The company also provides repair services. The company was formerly known as Arrowhead Rubber Company and changed its name to Arrowhead Products Corporation in 1956. The company was founded in 1937 and is based in Los Alamitos, California. As of July 2002, Arrowhead Products Corporation operates as a subsidiary of Industrial Manufacturing Company, LLC.
Zippia score 4.5
Trend Offset Printing is a full-service commercial printing company, with revenue in excess of $300 million annually and growing. Trend has facilities in California, Texas and Florida producing a wide range of products in the publishing, retail, and direct mail industries.
Zippia score 4.4
Hansen & Adkins Auto Transport is dedicated to the business of vehicle transportation and related services. With two decades of continual growth and no signs of slowing down, H&A is now serving 16 major auto manufacturers in all 50 states and locations...
Zippia score 4.0
Unipharma, LLC is primarily engaged in manufacturing, fabricating, or processing drugs in pharmaceutical preparations for human or veterinary use. The greater part of the products of these establishments are finished in the form intended for final consumption, such as ampoules, tablets, capsules, vials, ointments, medicinal powders, solutions, and suspensions. Products of this industry consist of two important lines, namely: (1) pharmaceutical preparations promoted primarily to the dental, medical, or veterinary professions, and (2) pharmaceutical preparations promoted primarily to the public.
Zippia score 4.2
The easiest, most intuitive way to track a game
Zippia score 3.9
Zippia score 4.1
Zippia score 3.7
Trojan Professional Services is accelerating Dental Practices to Excellence! Automate insurance verification, populate coverage tables from one portal.
Zippia score 4.4
Uniquely geared for the adult learner, TUW's on-line graduate curricula make it easy to balance your work and family with your ongoing educational goals.
Zippia score 3.7
Southland Credit Union was founded in 1936 to serve the financial needs of Los Angeles County employees.
Zippia score 3.8
Millie and Severson General Contractors
Zippia score 3.0
California Interscholastic Federation Southern Section is a membership organization, not elsewhere classified.
Zippia score 3.6
Zippia score 3.8
Inspiring new food experiences for friends, families, and food lovers everywhere
Zippia score 3.7
Casa Youth Shelter is a 501(c)(3) nonprofit organization providing emergency temporary shelter for youth aged 12-17 who are homeless, abused or struggling with crisis.
Zippia score 4.5
Tenet Healthcare Corporation is a diversified healthcare services company with 115,000 employees united around a common mission: to help people live happier, healthier lives. Through its subsidiaries, partnerships and joint ventures, including United Surgical Partners International, this company operates general acute care and specialty hospitals, ambulatory surgery centers, urgent care centers and other outpatient facilities.
Zippia score 4.2
Boot Barn humble beginnings of a family run storefront to over 200 stores in 33 states.
Zippia score 4.0
With worldwide locations and multiple colleges, Touro College offers multiple degree programs with one set of guiding principles based on Jewish philosophy, culture and religion. A Jewish college, Touro College offers four-year and two-year degrees, graduate degrees, and certificates through a number of smaller colleges or divisions. These are located throughout New York City, in Flatbush and Manhattan. Included among these smaller colleges are its college of health sciences, business, applied sciences and liberal arts. Some of Touro Colleges sub-divisions offer single-sex education, while others are co-ed. Regardless of which subdivision you choose, the perspective on learning and life are consistent. All of Touro's smaller colleges are committed to higher learning and to the perpetuation of Jewish culture and philosophy. Touro College's student services provide academic and career counseling, which will offer you support as you transition into college life, support you on your journey, and help you as you transition beyond Touro College. Touro College also has campuses in California, Rome and throughout Europe. Touro College's academic scholarships and Tuition Assistance Program are some of the financial aid offerings available for eligible students. There are also grants and loans for those who qualify.
Zippia score 4.2
Founded in 1851, Columbia College has been helping students advance their lives through higher education for more than 150 years. As a private, non-profit, coeducational liberal arts and sciences college, the college takes pride in its small classes, experienced faculty and quality educational programs.
Zippia score 4.7
Polly is a fun way to create anonymous polls for your friends on Snapchat and Instagram stories. Create a poll, attach it to your story, and discover what your friends think.
Zippia score 4.8
Epson America manufactures and supplies printers, professional imaging products, projectors, scanners, system devices, and factory automation products. The company also offers home entertainment products, glasses, fitness and sports products, modules, kiosk products, displays, disc publishers, supplies and accessories, lamps, ink cartridges, paper products, commercial products, point-of-sale products, and other consumables. The company provides its products to the retail, hospitality and food service, airline and airport, banking and financial, and healthcare markets worldwide. It serves customers through a network of resellers as well as online. Epson America was founded in 1975 and is headquartered in Long Beach, California. It operates as a subsidiary of Seiko Epson Corp.
Zippia score 4.7
WestEd, a national nonpartisan, nonprofit research, development, and service agency, works with education and other communities to promote excellence, achieve equity, and improve learning for children, youth, and adults. WestEd has 16 offices nationwide, from Washington and Boston to Arizona and California. Our corporate headquarters are in San Francisco. We hire curious, diverse people with a passion for learning. More than half of our staff hold advanced degrees. Our culture is professional, responsible, reliable, and polite. We expect you to make a significant contribution and do a good job. To help you meet those expectations, we provide tools, training, and a well-defined career path. Our benefits are designed to support your long-term health, productivity, and work-life balance.
Zippia score 4.3
Golden State Water Company is a public utility in California and is a wholly owned subsidiary of American States Water Company. The company is regulated by the U.S. Environmental Protection Agency, the California Department of Public Health and the California Public Utilities Commission. Golden State Water values customer input and appreciates the influence customers and all stakeholders have in the ratemaking and regulatory process.
Zippia score 4.7
At Opus Bank, they believe in their client's business' potential to achieve more. They offer a comprehensive suite of banking and financial services to fit the needs of any business. Since its inception, this reputable bank has stood by its mission of accelerating the vision of successful entrepreneurs and business leaders who have proven their ability and need a partner for growth.
Zippia score 3.9
Caring Senior Service provides superior in home care for independent seniors with Their GreatCare method. GreatCare is Their method for caring for Their clients through quality caregivers, care solution and active involvement. They are dedicated to making positive changes in the lives of seniors and their families with personal care through Their GreatCare method including meal preparation, housekeeping and transportation. They are continually improving Their ability to enhance the lives of Their clients every day. As one of the very few senior home care companies to reach 20 years of service, They have a lot to be proud of. Caring Senior Service has remained committed to delivering unparalleled senior care solutions and giving back to the communities where Their employees live and work.
Zippia score 3.9
Ganahl Lumber Company is the oldest lumberyard and hardware supply store in the State of California. Since 1884, they have been a family and employee owned business selling building supplies and hardware for pro contractors and DIY enthusiasts alike. Their products include tools, paint, building materials, millwork, doors and windows. With ten convenient store locations, they serve customers throughout the greater Los Angeles metropolitan area.
Zippia score 4.9
IEEE Foundation is transforming lives through the power of technology and education. Established in 1973, IEEE Foundation is governed by the laws of the State of New York, USA. The “official” purpose as stated in the Certification of Incorporation is exclusively to further the scientific and educational purposes of IEEE. The Foundation is directed by a Board of 13 IEEE members with varying technical, geographic, professional backgrounds and operated by a staff of 10. The IEEE Foundation enables IEEE programs that enhance technology access, literacy, and education; supports the IEEE professional community; and inspires the generosity of donors.
Zippia score 4.2
Mittera Group operates as a multi-platform print, marketing and media company. Mittera Group offers analytics services, including segmentation, predictive modeling, campaign execution, multi-channel attribution, and consulting; digital services, such as mobile, social, and Web services.
Zippia score 3.8
The Orange County Fire Authority is the agency that provides fire protection and emergency medical services for unincorporated areas of Orange County, California as well as 25 cities within the county that contract OCFA's services.
Zippia score 3.7
The Wand wine filters effectively remove the agents in wine known to cause side effects, such as headaches and allergic reactions.
Zippia score 4.2
Saddleback Memorial Medical Center, Inc. owns and operates a hospital. The company was founded in 1969 and is based in Fountain Valley, California.
Zippia score 4.4
When you come to AIM Mail Centers, it's like having your own personal assistant.
Zippia score 4.2
Weld wheels is a manufacturer of advanced, street & strip, drag racing, oval racing and heavy duty truck high-performance, professional forged wheels
Zippia score 3.6
Education isn't one-size fits all. That's why our tutoring is tailored to your needs. TC School Support, TC Academic Programs, TC Test Prep & TC College Planning.
Zippia score 4.1
| Rank | Company | Zippia score |
|---|---|---|
| 1 | Corporate Personnel Network Inc | |
| 2 | Los Alamitos Medical Center | |
| 3 | Discovery Behavioral Health | |
| 4 | Arrowhead Products | |
| 5 | Trend Offset Printing | |
| 6 | Hansen & Adkins Auto Transport | |
| 7 | Unipharma | |
| 8 | iScore Sports | |
| 9 | Mstar | |
| 10 | Keystone Academy | |
| 11 | Trojan Professional Services | |
| 12 | Touro University Worldwide | |
| 13 | Southland Credit Union | |
| 14 | Millie and Severson | |
| 15 | California Interscholastic Federation Southern Section | |
| 16 | Oak Middle School PTA | |
| 17 | Frieda's Specialty Produce | |
| 18 | Casa Youth Shelter |