Sonim Technologies is the provider of the world's most rugged, water-submersible mobile phones designed specifically for workers in demanding and hazardous environments. <br><br> We specialize in workforce-critical communication tools for vertical industries including construction, security guarding, oil, gas and chemical operations, utilities, transportation and logistics, forestry, agriculture and defense. <br><br> Sonim has partnered with industry leading application developers to provide a suite of high-performance workforce-critical applications such as push-to-talk, lone worker/man-down safety services, mobile resource management and time and activity verification. Our solutions enable companies and governments to make their field workforces safe, efficient and accountable. <br><br> Sonim phones are backed by a three-year comprehensive warranty, covering not only manufacturing defects, but even accidental damage. Sonim is also the international leader in intrinsically safe phones, devices certified to operate in potentially explosive atmospheres. <br><br> The company is headquartered in San Mateo, California and offers its products in over 50 countries.