Illinois
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Improvement and expansion are necessary to manage the pressures of a steadily growing population across the state. At McCarthy commercial construction, we’re focused on making sure every system provides the support your community requires — from hospitals and local school facilities to large college campus additions, transportation and much more.
Rural and urban, large and small, McCarthy has built high-quality facilities in communities all across this great state for over 50 years. With a focus on safety and quality, a passion for innovation, a true commitment to the communities where we live and work and a constant quest to be the Best Builder in America we truly understand the value of producing high quality work the first time, every time.
As a 100% employee-owned firm, our employees think and act like any owner would – with creativity and practicality. Let’s talk about how we can put nearly 150 years of construction experience to work helping you achieve your goals.
Featured Illinois Projects
St. Joseph's Hospital

Highland, Illinois
68,000-sf, 25-bed hospital on a 50-acre site with planning elements for future expansion opportunities for ambulatory care and also a 2-level, 60,000-sf medical office building.
Good Samaritan Regional Health Center

Mount Vernon, Illinois
366,000-sf full-service replacement hospital.

The Better Business Bureau Serving Eastern Missouri and Southern Illinois recently awarded McCarthy the TORCH Award, recognizing our commitment to customer service, employee relations and ethical business practices. Read more
Additional Contacts
Jeffery Boyer, PE, LEED GA
Illinois Director of Operations




