Illinois
ILLINOIS
1604 Eastport Plaza Drive, Suite 106
Collinsville, IL 62234
618-344-4142


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.

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.
Related Insights

Construction Inclusion Week Launches 2024 Curriculum & Planning Resources
The industry-wide initiative is October 14-18, 2024.

Celebrating Women's History Month with Elizabeth Hancock
As McCarthy celebrates Women’s History Month and Women in Construction Week, we…

McCarthy Building Companies Constructs Illinois Largest Solar Project
Midwest Contractor Magazine The largest solar project in Illinois, Swift Current’s…

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…

Construction Inclusion Week: Sparking Change in the Construction Industry
McCarthy recently participated in the second annual Construction Inclusion Week…

Cultivating the Next Generation of Diverse Construction Workers
On Monday, October 3, Jehaleleel “Jay” Gandy started his new job working in…

Meet McCarthy at ASHE PDC Summit 2022
Stop by booth #501 and speak with our team to learn how McCarthy provides a best…

Target Budget Design: Providing Value with Cost Certainty
The growing market response to design-build delivery requires a different level of…