MacKinney Systems is one of the leading mainframe software vendors with software tools and technical support to meet the standards and demands of its many Fortune 100 customers. MacKinney Systems is an IBM business partner since 1984. More than 6,000 customers have used the company's mainframe software. Its products are designed to reduce costs by replacing existing software with competitive upgrades. MacKinney Systems offers mainframe software utilities for interactive debugging, TCP/IP printing, automatic report distribution, file management, security, session managers, disaster recovery, help desk and more. MacKinney Systems is based in Springfield, Mo.