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

Zippia score 4.0
Zippia score 3.5
Zippia score 3.5
Zippia score 4.6
Heyday is a skincare services shop that offers online booking and customized facial treatments. Its customized facial treatment includes a deep cleanse, skin analysis, exfoliation, extractions, mask, hydration, and SPF protection through its chain stores. Founded by Adam Ross, Jeni Sykes, and Michael Pollak in 2015, Heyday Wellness is based in New York.
Zippia score 4.2
Eco-friendly Cycling Clothing - DannyShane Bicycle Apparel of Bamboo White Ash Fabric
Zippia score 4.0
Green Gorilla is an international group focused on expanding our world's access to hemp based solutions. We believe that hemp holds incredible promise as a renewable source of medicines, foods, fuel, textiles, plastics, building materials, pulp & paper, and much more. The proper cultivation of hemp and extraction of its many wonderful components will be a positive force to help heal our bodies and preserve our environment. At Green Gorilla we are committed to unlocking this potential, and to making sustainable and ethical choices to protect our planet and our future.
Zippia score 4.0
Superpedestrian brings together a team of designers and robotics engineers with one vision: transforming urban mobility. Our first product? Pedal power. With an exclusive license to MIT's Copenhagen Wheel, we are bringing the bike revolution to your streets. The Copenhagen Wheel is a semi-autonomous vehicle condensed into a single red Wheel. It transforms almost any bike quickly and easily by replacing the rear wheel with a Copenhagen Wheel. The Wheel learns how a rider pedals and integrates organically with hi or her motion. It also provides a wealth of data to enhance cycling, from physical wellness to safety. The Copenhagen Wheel is now in mass production, and shipping in volume. Superpedestrian operates out of Cambridge, Massachusetts. It was founded in late 2012 by a co-inventor of the Copenhagen Wheel, and is backed by tier-one venture capital investors.
Zippia score 3.8
Seatrec is a clean energy company creating solutions for energy production from temperature differences under the ocean water. Founded in 2012 by CEO, Dr. Yi Chao, Seatrec has developed technology from the NASA Jet Propulsion Laboratory to provide infinite power for oceanographic research equipment including floats and gliders. By implementing Seatrec's revolutionary technology, researchers can extend the life of equipment, benefit from significant cost savings, and power more sensors resulting in greater data collection and insights with zero emissions and waste.
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.
| Rank | Company | Zippia score |
|---|---|---|
| 1 | Auptix.com | |
| 2 | Touch of Green | |
| 3 | Aperio Technologies, Inc. |