A D Computer's payroll service is performance-proven through more than three decades and virtually every payroll situation imaginable. The heart of A D's payroll service is our staff. The entire staff is highly trained and committed to customer satisfaction. A D Computer's focus is to provide exceptional service. The majority of A D Computer customers are headquartered within a 75-mile radius of the Lehigh Valley, Pennsylvania; however, we provide payroll services across the nation. In a world losing focus on serving the customer, A D Computer stands apart from the rest. Recognized as an industry leader, we provide world class service with a hometown attitude. High quality customer service is the cornerstone of our customers' satisfaction and will continue to be so as we grow into the future.