For more than 40 years, CPU has served as a trusted partner to our customers, working alongside them to understand and face the challenges that come their way. We are experts in some of the toughest and most complicated areas of running a business, and offer top-quality products backed by our personal, knowledgeable service. CPU offers full-feature Payroll services, from tracking time and attendance to making tax payments. Our Payroll service will help eliminate headaches associated with your payroll and governmental compliance. Whether cloud, on-premise or hybrid IT solutions best fit your business needs, our IT service can address your technology requirements, keeping your systems safe, secure and up-to-date. Our line of Voice products provides state-of-the-art technology, capable of securely merging phone and voice communications with your data systems and network. With two offices in Missouri, CPU provides payroll services to businesses in more than 25 states.