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

Zippia score 3.9
3d Data Com is a special trade contractor primarily engaged in the construction of water and sewer mains, pipelines, and communications and power lines.
Zippia score 3.6
Westin Engineering, Inc. is primarily engaged in providing professional engineering services. Establishments primarily providing and supervising their own engineering staff on temporary contract to other firms are included in this industry.
Zippia score 4.8
Keenan provides innovative insurance and financial solutions for schools, public agencies and health care organizations.We are the experts you can rely on when it comes to employee benefits, risk management, claims services, and technology.
Zippia score 4.6
Kelly Services, Inc. (Kelly) is a global workforce solutions provider operating throughout the world. Kelly assigns professional and technical employees in the fields of education, legal, health care, and creative services. It has also developed a suite of solutions to help customers manage their workforce. Kelly offers outsourcing, consulting, recruitment, career transition and vendor management services. It operates in seven business segments: Americas Commercial, Americas Professional and Technical (Americas PT), EMEA Commercial, EMEA Professional and Technical (EMEA PT), APAC Commercial, APAC Professional and Technical (APAC PT) and Outsourcing and Consulting Group (OCG). Kelly's workforce solutions are provided to a diversified group of customers through offices in three regions: the Americas, Europe, the Middle East, and Africa (EMEA) and Asia Pacific. On November 16, 2011, it acquired Tradicao Planejamento e Tecnologia de Servicos S.A. and Tradicao Tecnologia e Servicos Ltda.
Zippia score 4.5
Imagine a professional services firm with vision beyond "the ordinary." A firm with deep subject-matter expertise as well as deep national resources. A firm committed to putting clients at the center of everything it does. That firm is Dewberry. And...
Zippia score 4.5
As a premier provider of land development engineering and environmental consulting services, Langan brings more than four decades of expertise and experience to challenging projects around the world.
Zippia score 4.5
Geo-Solutions is one of the leading groundwater and soil solution contractors in the industry. Learn how experience and technology can meet your needs.
Zippia score 4.4
At TEKsystems, they understand people. Every year they deploy over 80,000 IT professionals at 6,000 client sites across North America, Europe and Asia. Their deep insights into IT human capital management enable us to help their clients achieve their business goals - while optimizing their IT workforce strategies. They provide IT staffing solutions, IT talent management expertise and IT services to help their clients plan, build and run their critical business initiatives. Through their range of quality-focused delivery models, they meet their clients where they are, and take them where they want to go, the way they want to get there.
Zippia score 4.4
Aerotek is the leading recruitment and staffing agency worldwide. Our staffing solutions are focused on bringing great people and great organizations together.
Zippia score 4.3
At Ajilon Professional Staffing, we use our job market insight and niche industry expertise to help job seekers and employers find their best fit.
Zippia score 4.2
Motivational Systems, Inc. (MSI) is an environmental graphic firm with over 42 years' experience working with commercial and residential architects, designers, general contractors, land planners, public and private clients on a variety of signage and g...
Zippia score 4.2
CARD is a provider of autism behavioral health services for children and adults affected by autism spectrum disorder. CARD treats individuals of all ages who are diagnosed with autism spectrum disorder (ASD) at treatment centers around the globe. CARD was founded in 1990 by leading autism expert, licensed psychologist, and behavior analyst Doreen Granpeesheh, PhD, BCBA-D. CARD treats individuals with ASD using the principles of applied behavior analysis (ABA), which is empirically proven to be the most effective method for treating individuals with ASD and recommended by the American Academy of Pediatrics and the US Surgeon General.
Zippia score 4.1
Established in 1943, for 75 years Hanna Brophy has been focused on one thing: workers compensation defense law in California. Our experience works for you.
Zippia score 4.1
Located in Anaheim, California, Bedrosians is one of the nation's premier manufacturers, importers and distributors of ceramic and porcelain tile, decorative and glass mosaics, natural stone tiles and slabs. This privately owned company strives to provide the highest possible level of service, the best technical and design assistance available, excellent product quality, and competitive pricing.
Zippia score 3.9
Signarama is the premier provider of a wide range of full-service sign and advertising products. Their team of experts provides comprehensive consultation to ensure the customer's sign displays a powerful, impactful message. Signarama is the sign industry leader with more than 30 years experience and with locations around the world to serve everyone's sign needs. Signarama offers a full range of comprehensive sign and graphic solutions from vinyl banners to digital signs to vehicle wraps.
Zippia score 3.9
River City Staffing provides a full range of professional staffing services including Payrolling, Employment Screening, Outsourcing and Career Counseling to Sacramento's business community.
Zippia score 3.1
Your brand. Our Team. We can handle all of your marketing and custom gifting here!
| Rank | Company | Zippia score |
|---|---|---|
| 1 | 3d Data Com | |
| 2 | Westin Engineering, Inc. |