4Earth
4Earth designs and manufactures plug-and-play modular water treatment units (Ginseng, Ginseng Element, Ginseng Phantom) that recycle wastewater on site in factories, data centers and commercial buildings. It also sells Axon AI, which provides sensor fusion, process optimization, predictive maintenance and digital twins. Customers include Mercedes-Benz USA, Cox Enterprises, Siemens and Central Life Sciences, with units deployed in Georgia, Texas, Tennessee and South Carolina. It builds its hardware at a manufacturing facility in Kennesaw, GA. It was founded in 2020 and joined the inaugural Cox Cleantech Accelerator (gener8tor) in 2025. Public sources show only small, accelerator-type funding: PitchBook lists $100K raised, and Crunchbase lists a seed-stage company with 2 investors.