OSM is one of a handful of U.S. Postal Service-approved shipping and returns consolidators. These companies handle customers’ volume and send them to Postal Service facilities, such as destination delivery units, for final-mile delivery by the agency. “Because USPS vehicles deliver along predetermined routes, retailers can use this existing infrastructure to handle last-mile delivery faster and more economically,” Kelley said. The company, which targets lightweight e-commerce packages, invests in infrastructure like destination delivery unit sorters to boost facility throughput and efficiency. Another example is its recent commercial partnership with Ambi Robotics, in which the robotics firm will deploy its AmbiSort A-Series system at…