Professional Network Service, LLC, was started in 2008 by Fred Leuchter, who has been servicing computers in Northern Colorado for 27 years.

We provide installation and maintenance services for PCs in a networked environment and Microsoft Exchange services. We service Microsoft PC operating systems from Windows 3.1 through Windows 11, and server operating systems from NT3.51 through 2016, including Small Business offerings from Microsoft. We also have experience with Cisco Switches and routers as well as Cisco Call Manager and related services. For a detailed list, please see our Services page.