With over 60 years of combined experience in the mailing industry, NPI understands the mail sorting business. NPI is staffed by personnel with a broad knowledge of the presort mailing industry. NPI has extensive industry knowledge, experience and a proven history of success with commercial mailers including presort shops and bureaus, banks, fulfillment shops, colleges and large companies with incoming and outgoing sorting needs. The Parts NPI website is a small service solution that provides customers with a convenient location to order parts for the PTI-45 and Bell & Howell J-3000sorting systems. We strive to meet or exceed the needs of our customer’s expectations with trusted service. If at anytime this website fails to meet expectations or requires maintenance, please contact NPI.