Business Details
37 Years
experience
Emergency
services
Trusted Construction Services in De Pere, WI
IEI General Contractors has served the construction needs of northeastern Wisconsin since 1989. Our team combines decades of industry experience with a collaborative approach that prioritizes client satisfaction through transparent communication and meticulous project execution. As a member of the Associated General Contractors of Wisconsin, we maintain rigorous standards in safety, quality control, and workforce development. Our self-performing crews deliver expertise in carpentry, masonry, concrete work, and demolition, ensuring consistent results across facility maintenance, renovations, and new construction projects. With leadership continuity since our founding, we leverage 30+ years of accumulated knowledge to solve complex challenges while maintaining operational efficiency.Our commitment to modern design principles and sustainable building practices enhances project outcomes for commercial, healthcare, educational, and government clients. Through proactive scheduling, budget tracking, and value engineering, we minimize disruptions to client operations while delivering structures built to endure. This dedication to excellence has earned recognition including Historical Preservation Awards for adaptive reuse projects. Our 24/7 availability ensures continuous support for time-sensitive construction needs, reflecting our philosophy that successful projects stem from partnership rather than transactional relationships.
Services
Facility Maintenance
Additions/Renovations
Project Management
New Construction
Non-Profit Purchasing
Details
- Year established: 1989
Highlights and features
- We have 30+ years of continuous service with leadership intact since 1989
- Our 24/7 availability ensures prompt response to urgent construction needs
- Self-performing crews maintain quality control across carpentry, masonry, and concrete work
- Award-winning expertise in historical building preservation and adaptive reuse
- Proven track record with commercial, healthcare, and educational facility projects
Associations and certifications
- Associated General Contractors (AGC) of Wisconsin
Services
Facility Maintenance
Our facility maintenance solutions address ongoing building needs without requiring new permits. Our skilled crews handle concrete repairs, masonry restoration, interior upgrades, and equipment installations while minimizing operational disruptions. We specialize in maintaining commercial spaces through proactive maintenance strategies that extend asset lifecycles. Our approach combines rapid response times with cost-effective solutions for both routine and emergency maintenance requirements.
Additions/Renovations
We deliver comprehensive renovation and expansion projects while maintaining client operations. Our team implements temporary containment systems, manages dust control, and coordinates phased construction schedules. With historical preservation expertise recognized by AGC awards, we modernize existing structures while maintaining architectural integrity through careful material selection and construction sequencing.
Project Management
Our project management methodology emphasizes transparent communication and risk mitigation. We coordinate all stakeholders through weekly progress updates, implement value engineering to optimize budgets, and maintain strict quality control throughout construction phases. Our scheduling expertise accounts for material lead times and labor availability to prevent costly delays while maintaining budget accuracy through regular cost tracking reports.
New Construction
We execute new construction projects using collaborative design-build approaches. Our team works with architects to incorporate sustainable building practices and durable materials selection while maintaining budget discipline. Through early stakeholder engagement, we align project goals with construction methodologies that ensure long-term building performance and client satisfaction with completed facilities.
Non-Profit Purchasing
Our specialized purchasing solutions help non-profit organizations maximize construction budgets. We leverage industry relationships to secure competitive pricing on materials and subcontractor services while maintaining quality standards. This service streamlines procurement processes for institutional clients seeking cost-effective construction solutions that align with their mission-driven financial constraints.
People
Mike Johnson
Founder
Co-founder with over 30 years of construction industry leadership experience, actively involved in project oversight and strategic direction.
Brad Deprez
Founder
Co-founder maintaining active involvement in operations since 1989, contributing extensive hands-on construction management expertise.
Questions
What construction services do you specialize in?
We provide facility maintenance, building renovations, project management, and new construction services for commercial, healthcare, and institutional clients.
How long have you been in business?
We've delivered construction solutions in northeastern Wisconsin since our founding in 1989 by Mike Johnson and Brad Deprez.
Do you handle emergency construction needs?
Yes, our team provides 24/7 assistance for urgent project issues and time-sensitive construction requirements.
What geographic areas do you serve?
We primarily serve northeastern Wisconsin, working with clients from Green Bay to Oconto County and surrounding regions.
Are you involved in industry organizations?
We maintain active membership with the Associated General Contractors of Wisconsin and participate in local apprenticeship committees.
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!
