NPI is a minority-owned business in the Dallas/Fort Worth area producing cutting edge letter and parcel sortation systems. NPI has been in the sorter 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, while offering the most compact designs in the industry. Our exclusive patented technology is configurable into modular designs allowing you to save on labor, floor space, and cost. Our sorters are equipped with the most advanced, user-friendly software to help streamline automation.