________________________________________________________________________________________________________________________
John Wahlen, Founder, Owner, and CEO of Cornerstone Development( Cornerstone) started the company in 2005. After a career in teaching John moved into sales and marketing, working for a few of the larger U. S. packaged goods corporations, and, after achieving great success, decided to set up his own business. John outlines the company’ s inception:“ I bought a franchise to build condominiums here in Milwaukee, so I moved back and began to build homes with a business partner. Then in 2008, the banking crisis and subsequent financial crash presented us with some significant challenges. My business partner ended up moving on to other things. I stayed and managed to find a new bank that could provide the finance to get going again. Since then, we’ ve solidified and grown as a company, constructing and
Contact
Us 262-221-8506 interstateheating. com
N53 W24950 S Corporate Circle Sussex Wi 53089
Three Generations Strong We still follow the most basic rule of business: Treat customers the way they want to be treated, understand comfort is a big part of what makes a house a home, and make it easier to create and care for an ideal environment.
We serve Southeast Wisconsin in a number of ways:
• Heating & Cooling
• Indoor Air Quality
• Radiant Heating
• Sheet Metal Roofing selling out 19 communities and over 800 condominium and single-family homes over the past 17 years.”
Company vision
John expands on some of the key details of Cornerstone’ s offering:“ We build homes that are designed to transform lifestyles. For example, many of our customers are
160