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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 4.2
It Network is primarily engaged in furnishing business services, not elsewhere classified, such as bondspersons, drafting services, lecture bureaus, notaries public, sign painting, speakers' bureaus, water softening services, and auctioneering services, on a commission or fee basis.
Zippia score 4.0
Zippia score 4.0
We strive to create life-long relationships.
Zippia score 4.0
Plan Perform Navigating Complexity Learn how we navigate the complexity of managing the West's water … Continue Reading »
Zippia score 3.9
Zippia score 3.8
Collidion is a private healthcare company building innovation and development of medical devices and high-impact drugs. The company invests industry expertise and capital network to reposition these technologies based on individually developed strategies. Working with medical partners in the U.S. and abroad to develop technologies into recognizable solutions for patients and medical professionals, they are striving to improve the future of global healthcare. Collidion supports its program-focused subsidiaries through the infusion of capital, operational support, imparting novel IP estate, and structuring programs for global partnering and development opportunities. The company's mission is to improve the future of global health through the delivery of innovative solutions to critically unmet areas of need. Collidion was founded in August 2015 and is headquartered in Petaluma, California, United States.
Zippia score 3.8
We are a managed IT & cyber security consultant in Santa Rosa providing networking, and team collaboration solutions. Contact us at (800) 487-3363.
Zippia score 3.8
Zfa Structural Engineers 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 3.6
FOR MORE THAN 50 YEARS... In the grace and power of Jesus Christ, thousands of people in Sonoma County have poured themselves out for the hungry and afflicted through the ministry of the Redwood Gospel Mission. And because of their efforts, a light ...
Zippia score 3.5
Zippia score 3.5
Inquiring Systems, Inc. (ISI) offers Fiscal Sponsorship and Business Management Services to socially responsible organizations world wide.
Zippia score 3.4
Zippia score 4.8
Littler Mendelson is a global management-side employment and labor law practice firm that provides experienced attorneys in legal profession. The practices of the company are appellate practice, background checks, class actions, business restructuring, rediscovery, employee benefits, and litigation and trials. Industries that the company renders their services are construction, energy, food and beverage, government contractors, healthcare, higher education, retail, and artificial intelligence. Littler Mendelson is a U.S.-based company that was founded in 1942.
Zippia score 4.6
SOS Security is one of the largest privately-owned security companies in the U.S. with more than 7,500 security professionals working domestically and around the world through foreign regional joint ventures and strategic partners. A proven leader in the Security and Protective Services industry, SOS Security is headquartered in Parsippany, NJ and has offices throughout the United States and resources throughout the world.
Zippia score 4.5
Meyers Nave is a full-service law firm that offers comprehensive legal services such as transaction, litigation and regulatory advice and counsel to public, private and non-profit organizations throughout California. Many of their attorneys and practice groups receive local, state and national recognition for leading-edge expertise and outstanding results.
Zippia score 4.5
Kyocera Document Solutions Corporate Website ―About Us, Our Business, Sustainability, News, Careers, Support & Download.
Zippia score 4.5
DRC is a nonprofit agency. We are the largest disability rights group in the nation. Federal law established us to protect and advocate for the rights of people with disabilities. We are the protection and advocacy agency for California.
Zippia score 4.3
United Site Services is the nation's leader in portable toilet rentals and porta potty rentals. With more than 60 locations coast to coast, we are the most capable provider of quality portable restroom rentals and temporary fence rentals. Our fast, friendly customer service gives you peace of mind from expert planning to accurate delivery and quality service. Rely on us for your portable sanitation needs, large or small.
Zippia score 4.3
JAMS, formerly known as Judicial Arbitration and Mediation Services, Inc.
Zippia score 4.3
To provide exceptional and effective representation to a wide variety of clients, large public corporations and smaller businesses, debtors, creditors committees and trustees, across many industries.
Zippia score 4.2
Volt offers proven staffing and workforce management services that make great organizations better. Volt Information Sciences, Inc. is an international provider of staffing services, outsourcing solutions, and information technology infrastructure services.Their staffing services include providing contingent workers and personnel recruitment services, supporting primarily professional administration, technical, information technology, and engineering positions.
Zippia score 4.2
Traffic Management, Inc. is a privately owned minority-business-based company in Southern California. TMI is a largely anonymous company whose complete knowledge of traffic control and management is integral to the daily flow of the lives of the region's commuters. Its engineers design the traffic plans that result in lane closures due to road repairs, large events and big infrastructure projects.
Zippia score 4.2
Kavaliro is a professional services agency with an emphasis on IT and workforce solutions with offices across the United States.
Zippia score 4.1
Telecare's mission is to deliver excellent and effective behavioral health services that engage individuals with complex needs in recovering their health, hopes, and dreams. Learn More
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
Their virtual office spaces provide you with a professional business address, as well as a host of supporting features. You'll have a lobby directory listing, mail forwarding, and a full-service business center. If you happen to be in the neighborhood, you can even rent conference rooms and day offices from Davinci-both of which include a lobby greeter, on-site catering, blazing fast Wi-Fi, and state-of-the-art presentation tools. Davinci's virtual office services help to bolster your business status by giving it the presence it deserves.
Zippia score 4.1
Click here to learn about our bail bond services. We provide bail bonds services to customers in over 50 local offices throughout the western United States.
Zippia score 4.1
Chicago Personal Injury Lawyers With Over 25 Years Experience.
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 4.0
Service Logic is one of the largest privately held Energy and HVAC/Mechanical Services companies in the United States. Committed to long-term client relationships, our 1500+ employees service over 100,000,000 square feet of commercial, industrial and institutional real estate utilizing 33 offices covering 25 states. We are a leading provider of integrated services that optimize energy efficiency, comfort, productivity, health and safety. Our investment in local entrepreneurs, technology and education has created the next generation service platform for our clients and associates. We are reducing costs while increasing the value of real estate assets.
Zippia score 4.0
Miracle Method is the largest bath and kitchen refinishing company in the country. With over 140 US and Canadian franchises, they specialize in repairing and restoring all types of tubs, ceramic tile, and countertops. Specializing means they are the very best at refinishing and constantly improving.
Zippia score 4.0
TASI is a leading global provider of highly engineered test, measurement, inspection and automation solutions for mission-critical applications in the Americas, Europe and Asia. The Company's solutions focus on enhancing customer productivity by reducing manufacturing cost, avoiding rework, improving quality and reliability, and shortening time to market. TASI serves a diverse customer base in a range of end markets including the transportation, industrial, life sciences, energy, food and beverage, and consumer goods industries. TASI is headquartered in Cincinnati, Ohio.
| Rank | Company | Zippia score |
|---|---|---|
| 1 | IT Network | |
| 2 | Lanahan & Reilley | |
| 3 | Geary, Shea, O’Donnell, Grattan & Mitchell, PC | |
| 4 | Western Water Constructors | |
| 5 | Individuals Now | |
| 6 | Collidion | |
| 7 | KLH Consulting | |
| 8 | ZFA Structural Engineers | |
| 9 | Redwood Gospel Mission | |
| 10 | Rdh | |
| 11 | Inquiring Systems | |
| 12 | Elegant Interiors |