Redco- Real Estate Brokerage We are serving buyers and sellers in Chicagoland area. Redco's headquarters and also its first o ... ffice is located in Elmhurst, IL. Redco was named one of the 20 fastest growing real estate companies by Chicago Agent Magazine in 2016. Fast growth, great marketing and phenomenal customer service along with top of the line broker support resulted in Redco opening a second branch in Avondale, Chicago. Redco is on the way to add a third branch in Lakeview. Company was established by Jack O. Pysz, who is its president and acting managing broker. Jack serves as a panelist on a Professional Standards Committee at Mainstreet Organization of Realtors. We are a member of CAR and Mainstreet. read more