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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 4.2
Axiom Exergy is an energy storage company that develops energy management solutions for supermarkets and commercial buildings. Axiom Exergy offers a thermal energy storage retrofit and software solutions to monitor and manage the energy use of refrigerators. The company also offers a system integrator and thermal storage tank. Axiom Exergy was founded by Anthony Diamond and Amrit Robbins in 2014. It is headquartered in Richmond, California.
Zippia score 3.3
BioAge develops a pipeline of treatments to extend healthy lifespan by targeting the molecular causes of aging by using its discovery platform, which combines quantitative analysis of proprietary longitudinal human samples with detailed health records tracking individuals over the lifespan, to map out the key molecular pathways that impact healthy human aging.
Zippia score 4.0
Rumpl applies technical materials to everyday blankets for indoor and outdoor use.
| Rank | Company | Zippia score |
|---|---|---|
| 1 | Axiom Cloud | |
| 2 | BioAge |