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Your practice made perfect.

At Apex, we are visionary leaders in fully integrated design and construction of healthcare facilities. Everything you need to create a space for success: Architecture, Design, Construction and Furnishing.

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Our Work

Every successful project begins with a thorough consultation with you. Once we understand your vision, we can translate that into a 3-dimensional environment that supports your goals and objectives for your practice.

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An Experience Like No Other

You have one direct point of contact at a firm with comprehensive capabilities. The result: Total accountability.

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Who We Are

1946
1960
1967
1979
1980-1983
1985
1992
2006
2008-2010
2012
2018
1946

1946

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.  
Photo: Robert P. Johnstone Architects began in the attic of this Oak Park home.
1960

1960

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.
Photo: Robert P. Johnstone, February 1949
1967

1967

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.
Photo: Residential building designed by Robert P. Johnstone Architects, 1954. Oak Park, IL.

1979

Having now designed hospitals all across the United States, Charles partners once again with his father and they rebrand themselves Johnstone Contracting, adding general contracting capabilities to their thriving design and architecture practice.  
1980-1983

1980-1983

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.
Photo: Residential building designed by Robert P. Johnstone Architects, 1959. Elmhurst, IL.

1985

As the second and third generations expand the business, Johnstone Contracting relocates to a larger facility and begins manufacturing its own brand of millwork for both residential and healthcare clients.  
1992

1992

Johnstone Contracting is renamed Millwood Services to better reflect their new manufacturing capabilities.
Photo: Residential building designed by Robert P. Johnstone Architects, 1962. Elmhurst, IL.
2006

2006

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.
Photo: Medical building designed by Robert P. Johnstone Architects, 1965. Elmhurst, IL.
2008-2010

2008-2010

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

2012

Offering such expansive services in design, architecture, and construction, the firm rebrands as Apex Design Build as they had grown out of their previous name.
2018

2018

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.
Photo: 2018 Apex Company Picnic
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