Business Details
37 Years
experience
Emergency
services
Trusted Construction Services in De Pere, WI
Founded in 1989 by Mike Johnson and Brad Deprez, IEI General Contractors has established itself as a trusted construction partner in northeastern Wisconsin. Our team combines a strong work ethic with responsive service to deliver low-stress building experiences for owners, architects, and subcontractors. As a member of the Associated General Contractors of Wisconsin, we maintain industry standards while supporting local apprenticeship programs in carpentry, bricklaying, and cement finishing. Our self-performing capabilities in carpentry, masonry, concrete, and demolition allow us to maintain quality control across projects. We prioritize open communication and collaboration, ensuring client interests remain central to every decision.With decades of collective experience, our leadership team consistently delivers projects on time and within budget. Our commitment to modern design principles results in energy-efficient, aesthetically pleasing structures. We provide 24/7 assistance to address project needs at any time. Through strategic partnerships with architectural firms, we create solutions that balance functionality with visual appeal. Our track record includes award-winning historical renovations and diverse commercial projects that demonstrate our adaptability and technical expertise.
Services
Facility Maintenance
Additions/Renovations
Project Management
New Construction
Non-Profit Purchasing
Details
- Year established: 1989
Highlights and features
- We have 30+ years of experience in commercial construction
- Our team provides 24/7 project assistance
- We self-perform key construction services
- We maintain AGC of Wisconsin membership
- Our collaborative approach prioritizes client needs
Associations and certifications
- Associated General Contractors of Wisconsin
Services
Facility Maintenance
Our facility maintenance solutions address ongoing building needs without requiring new permits. We handle concrete repairs, masonry restoration, interior upgrades, and equipment installations while minimizing operational disruption. Our experienced foremen resolve issues ranging from water damage to door/window replacements. This service ensures commercial properties maintain optimal functionality and appearance through proactive maintenance and rapid response to emerging issues.
Additions/Renovations
We specialize in commercial additions and historical renovations that preserve structural integrity while modernizing functionality. Our team implements temporary partitions, air filtration systems, and strategic scheduling to maintain business operations during construction. With award-winning expertise in historical preservation, we've completed projects like the Door County Community Center and Chase Stone Barn restoration, balancing modern requirements with heritage conservation.
Project Management
Our project management approach emphasizes transparent communication between all stakeholders. We provide value engineering, budget tracking, and scheduling coordination to ensure timely, cost-effective delivery. Through weekly updates and proactive issue identification, we maintain alignment between owners, architects, and subcontractors. Our process includes sustainable building practices and material quality assurance to guarantee long-term project success.
New Construction
We deliver comprehensive new construction services focused on collaboration and efficiency. Our team works with owners and architects to create durable, sustainable buildings while maintaining strict quality control. We implement weekly progress updates, optimize construction practices for cost-effectiveness, and ensure material quality throughout the building process. This service emphasizes long-term value through thoughtful design and execution.
Non-Profit Purchasing
Our specialized purchasing solutions for non-profits streamline material acquisition while maintaining cost efficiency. We leverage industry relationships to secure competitive pricing on construction materials without compromising quality. This service simplifies procurement processes for non-profit organizations while ensuring compliance with project specifications and budgetary constraints.
People
Mike Johnson
Co-Founder
Co-founder of IEI General Contractors since 1989, Mike Johnson brings decades of construction expertise and leadership to our projects. He remains actively involved in company operations and industry development through apprenticeship committee work.
Brad Deprez
Co-Founder
As co-founder since 1989, Brad Deprez contributes extensive construction knowledge and operational leadership. He maintains active involvement in project execution and industry advancement through local trade committee participation.
Questions
What construction services do you offer?
We provide facility maintenance, additions/renovations, project management, new construction, and non-profit purchasing services across northeastern Wisconsin.
Do you handle historical building renovations?
Yes, we specialize in historical renovations with award-winning experience, including two AGC Wisconsin Historical Preservation Awards for significant projects.
Are you available for emergency construction issues?
We offer 24/7 assistance for urgent project needs or construction emergencies.
How long have you served the De Pere area?
We've been based in De Pere since our founding in 1989, serving northeastern Wisconsin for over 35 years.
Do you work with commercial and non-profit clients?
Yes, we serve diverse clients including commercial businesses, government entities, and non-profit organizations.
How do you ensure project quality?
Through self-performing key trades, experienced leadership, and rigorous quality control processes throughout every construction phase.
Reviews (1)
Mona Lauer
Oct 16, 2020
Report
Terrific team of men! They are dedicated to their work and precision. Having our garages and addition done by them was the best decision we’ve made! All-around professional and friendly contractors!