Illinois
ILLINOIS
1604 Eastport Plaza Drive, Suite 106
Collinsville, IL 62234
618-344-4142
![Illinois skyline.](/sites/default/files/styles/bg_sm_mobile_1x/public/2023-04/Illinois-3360x2560-iStock-866233608.jpg?itok=gZajFss5)
![Illinois skyline.](/sites/default/files/styles/bg_sm_mobile_1x/public/2023-04/Illinois-2048x2048-iStock-866233608.jpg?itok=ZQvwjORS)
BUILDING WITH
YOUR NEEDS IN MIND
Strategically located along the I-255 corridor just minutes from our company headquarters, McCarthy’s Illinois office supports the growth and expansion needs of Southern and Central Illinois.
![Person inspecting construction work.](/sites/default/files/styles/full_width_sm_mobile_1x/public/2023-04/BJC_Core_1311.jpg?h=822d5b61&itok=FhJ-JgMG)
MAKING A DIFFERENCE
When you build with us, you are assured our teams enjoy access to the incredible resources of a leading national builder while providing the supportive family feel of a close-knit local business. Our employee-owners take great personal pride in producing high-quality work and lasting, impactful results.
Experience Matters
From hospitals and schools to transportation, renewable energy, water and wastewater systems — we're an Illinois construction company who partners with you to build the high-quality facilities you need to keep your community ahead of the pace.
JOIN US IN ILLINOIS AND ACROSS THE MIDWEST
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Former McCarthy Interns Describe Valuable Internship Experiences
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McCarthy Building Companies Constructs Illinois Largest Solar Project
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How a Total Project Life Cycle Mindset Can Benefit Your Next Project
What’s the best way to ensure those exceptional results? Approaching projects with…
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Celebrating Women Leaders during Women in Construction Week
McCarthy is home to some of the industry’s most talented women.
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What Hospitals Can Learn from Research Labs
Five Infection Control Principles Used in High-Containment Facilities
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Insiders Reveal What Comes Next for Healthcare Construction
How COVID-19 is reshaping the future of healthcare design and construction.
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5 Questions to Ask Your Contractor about Mock-ups
Mock-ups are typically full-size representations of proposed construction, built…
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The Search for Value
Shaping the role of technology and innovation in construction today