With the war over and construction booming, Robert Johnstone obtained his architecture license and opened Robert P. Johnstone Architects in the attic of his home in Oak Park, IL.  

After 14 years, Robert P. Johnstone Architects had built a recognized name and a well-respected reputation in the Chicagoland area when his son, Charles Johnstone joined the firm.

After seven years of working at his father’s firm, Charles set out to expand on his talents and focused on hospital design with a large Chicago architectural firm, Schmidt, Garden, and Erikson Architects.

As Robert retires, Charles’ sons—Bob, Steve and Brian—join Johnstone Contracting. The family business continues to build on their world-class reputation for designing, constructing and furnishing architecturally cherished residences and healthcare facilities.

Johnstone Contracting is renamed Millwood Services to better reflect their new manufacturing capabilities.

Having developed a firm widely recognized for its healthcare design capabilities and its renowned cabinetry brand, Millwood Services continues to grow in healthcare architecture, design and construction management.

Steve’s sons—Randy, Sam and Bruce—join the firm and become the fourth generation of the Johnstone family at Millwood Services.

Over 70 years later, Apex Design Build is the only full-service design and construction firm that offers four generations of experience in providing healthcare professionals with innovative, state-of-the-art offices and a seamless and stress-free construction process.