Sonim Technologies, Inc. engages in the design and manufacture of mission-critical smart phone-based solutions for workers in extreme, hazardous, and isolated environments. Its products include ultra-rugged mobile phones, business process applications, and a suite of industrial-grade accessories. Read More The company was founded by Ram Chandran, Isaac Eteminan, Anush Gopalan, Jai Kumar, Sudu Srinivasan, and Joakim Wiklund on August 5, 1999 and is headquartered in San Mateo, CA.