Central Office Systems was founded in 1973. The company was named Central Office Systems because it was centrally located on about 50th Street and Bluemound Road in Milwaukee.

Today Central Office Systems proudly represents Konica Minolta as its oldest authorized Konica legacy dealer in Southern Wisconsin. Central Office Systems is an authorized dealer for Muratec and Kyocera laser printers/MFPs, faxes and network printers. We service and support HP, Brother and Dell laser printers.


In 2009 Central Office Systems was named to the MMAC Future 50. We were awarded the Future 50 in 2010 and 2011as well. In 2010, Central Office Systems was named one of the "Top 10 Small Businesses in Southeastern Wisconsin" by the Waukesha Business Alliance. In 2011 we were further recognized by The Business Journal of Milwaukee as one of the 20 "Fastest Growing Firms" in Southeastern Wisconsin. Central Office Systems was also named to the Fastest Growing Firms list in 2015. Central Office Systems was named to the INC magazine INC 5000 list in 2013, 2014 and 2015, making us one of the 5000 fastest growing companies in the United States.

In November 2011, Central Office Systems moved to a new 12,750 square foot state of the art facility in Pewaukee. The new facility includes a high tech showroom, cloud computing network, and sophisticated equipment remanufacturing cells, as well as additional office and warehouse space. 


In May 2015 Central Office Systems introduced ECO Office Equipment as a separate equipment remanufacturing organization, specializing in sourcing and rebuilding lightly used, repossessed leased equipment, as an economical and eco-friendly option for clients.

Central Office Systems opened for business in Appleton, Wisconsin, as Wisconsin’s newest expanded Konica Minolta dealer with a nearly 4000 square foot showroom and warehouse servicing the entire Fox Valley and Lakeshore area.  Central Office Systems' newest office is located at 2310 West Nordale Drive, Appleton WI 54914

Led by Art Flater and Chris Rosecky our management team has a combined 45 years industry experience. Our staff includes fourteen authorized and trained service technical support specialists. Our technical support staff averages over twenty six years industry experience each, solving complex and simple technical/mechanical problems.

Central Office Systems is dedicated to being The Professional Standard of Comparison