NPI, a Duravant company, is located in the Dallas/Fort Worth area and delivers cutting edge letter and parcel sortation systems. NPI has been in the automation business for over 40 years, and has systems installed worldwide. We set the standard for affordable, high quality, low maintenance machines. Our team of experts work together to design, build, and install automated letter and parcel sortation systems, but we don't stop there. We also offer onsite service and maintenance. NPI's Xstream parcel sorter is one of the most compact systems in the industry. Our exclusive patented technology is configurable into modular designs allowing you to minimize floor space, reduce labor, and improve overall operational efficiency. Our sorters are equipped with the most advanced, user-friendly software to help streamline automation.