Far-Reaching Payroll Technology. A D Computer's payroll system is designed with optimum flexibility to accommodate payrolls of all sizes - from small family businesses to large corporations with up to 10,000 employees. Our clients utilize A D WebPay via the Internet, PC Payroll Input with integrated Human Resources, phone input and fax input. We process their payroll, print their checks, vouchers and payroll reports. We create direct deposit data for ACH and tax data for our complete payroll tax filing service. A D WebPay and PC Payroll Input clients access payroll data files electronically for custom reports, on-demand reporting, custom interfaces to import data and export data for 401(k) administrators and general ledger accounting systems and more. The strength of A D's payroll service is our proprietary mainframe, PC and Internet systems. Our systems are designed from the ground up exclusively for payroll processing. Our on-site programming team is dedicated solely to developing and maintaining the finest payroll technology available anywhere. The versatility of A D's payroll service is our unique ability and willingness to adapt our system and service to each client's need.