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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 4.3
Yvonne Pire founded Trofholz in 2001 and incorporated in 2002. Building on her military and corporate experience, Yvonne quickly established the company as a Government Contractor providing Professional Services. Because of her expertise, Trofholz became a leader in full design-build enterprise security systems for critical infrastructure facilities. Trofholz secured one of the top 5 critical infrastructures in the United States. Similarly, they secured several facilities for the Bureau of Reclamation, and the Department of Energy-Western Area Power Administration. Their team has done work nationwide for the US Army Corps of Engineers (USACE), and the US Department of Agriculture. In addition, they support Veterans Affairs Medical Facilities, the Department of Homeland Security, and other federal agencies. Since 2002, they have offered detailed site surveys and design-build solutions for critical infrastructure. This includes government facilities/military bases, energy sites, dams, healthcare, education, and large commercial facilities. First, their team critically examines the regulatory compliance requirements, and creates a plan to manage any associated risk. They then execute the individual task order requirements to provide the most cost effective integrated ESS solution. Trofholz supports client locations across the globe, including the Continental United States, Alaska, Hawaii, United Kingdom, South Korea, and Japan.
Zippia score 4.0
PMDG is an architecture and engineering firm that specializes in national brand rollout programs.
Zippia score 3.6
Gemini is a registered California Professional Photocopy Service under the CA Business & Professions Code §22451. Gemini is an assigned “deposition officer” on behalf of California licensed attorneys. It serves California attorneys that represent injured workers in contested workers' compensation claims. Gemini is a California Corporation, owned by Dan Mora, Frank Smithson, and Jeff Pierce. Gemini was started as a sole proprietorship on June 1, 2004 by Dan Mora. The corporate office is in Rocklin, CA, which houses 75% of the employees. The additional 25% is Sales and Field Departments across California. Gemini achieves excellence through advanced technology and unmatched customer service. With a concentration of winning strategies, unique client relationships and technology, Gemini is able to directly effect the bottom line of our clients. The exceptional growth of Gemini is credited solely to the people; their dedication to contribute, achieve and give back.
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 4.0
Since 1987, they have built their company upon a belief that having strong personal relationships with their clients, and providing reliable, accurate and professional services is the driving force of their success and continued growth. Lexitas is a professional family of litigation support companies that offers an array of litigation support services including expert court reporting, state-of-the-art realtime and internet deposition services, and specialized medical records retrieval services for plaintiff counsel, defense counsel, corporations and insurance companies.
Zippia score 3.5
Midtown 4th is a YIMBY group dedicated to improving the bicycle, pedestrian and driving experience on 4th Street in Santa Rosa, CA. The area between Brookwood Avenue and Farmers Lane has potential for improvements that would benefit residents, business...
Zippia score 3.5
Geotechnical Engineers, geologists, environmental scientists and hydrologists…
| Rank | Company | Zippia score |
|---|---|---|
| 1 | Trofholz Technologies | |
| 2 | PM Design Group | |
| 3 | Gemini Legal |