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Trusted Engineering & Design Solutions
IMEG has built a global reputation for engineering high-performance buildings and infrastructure using forward-thinking solutions. Our work prioritizes performance and efficiency, and our team is equipped to handle full-service engineering, planning, and consulting projects of all sizes and complexities. We care about what we do, and together we create positive outcomes for people, communities, and our planet. Our strategic growth combines the broad expertise of a national leader with the personal relationships and deep collaboration of a local firm. With over 100 years of experience, we deliver innovative engineering solutions across civil, structural, mechanical, electrical, and specialized disciplines.

Our 3,000 team members across 90+ locations are committed to sustainability, client satisfaction, and technical excellence. We are employee-owned, fostering a culture of ownership and people-centered engineering. Our accolades include being ranked among the top 5 engineering firms in the U.S. and receiving national recognition for engineering excellence. We specialize in creating high-performance designs that meet LEED, WELL, and Net Zero Energy standards. Our services span infrastructure, building design, sustainability consulting, and process engineering, serving diverse markets including healthcare, education, federal agencies, and industrial sectors.
Services
Civil Engineering Structural Engineering Mechanical Engineering Electrical Engineering Fire Protection Engineering Sustainability & Energy Solutions Building Performance Optimization Consulting & Advisory Services Process Engineering Transportation Engineering
Highlights and features
  • Over 100 years of engineering excellence and innovation
  • National expertise with localized, collaborative relationships
  • 3,000 team members across 90+ U.S. locations
  • Recipient of ASHRAE Society Technology awards for HVAC innovation
  • Employee-owned with 650+ licensed engineers and specialists
Associations and certifications
  • ASHRAE
  • LEED
  • WELL
  • PHIUS
Services
Civil Engineering
IMEG delivers civil engineering solutions for infrastructure, land development, and transportation projects. Our expertise includes municipal engineering, land surveying, and water/wastewater systems. We prioritize timely project delivery using state-of-the-art technology and in-house survey teams. Our services address environmental compliance, subsurface utilities, and construction inspection to ensure sustainable, code-compliant outcomes for public and private clients.
Structural Engineering
Our structural engineering team specializes in high-rise construction, adaptive reuse, and complex building systems. With 400+ professionals and 500+ licensed engineers, we offer 3D modeling, seismic retrofitting, and mass timber solutions. We focus on cost optimization, disaster resilience, and innovative designs that meet client-specific schedule and complexity challenges across commercial, residential, and institutional projects.
Mechanical Engineering
IMEGs mechanical engineering services include HVAC systems, central plants, and energy recovery solutions. We hold three ASHRAE Society Technology awards for innovation in sustainability and efficiency. Our team designs systems compliant with ASHRAE 90.1 standards, focusing on net-zero energy goals, indoor air quality, and building automation to reduce environmental impact while optimizing operational performance for clients.
Electrical Engineering
We provide full-service electrical engineering for power distribution, emergency systems, and renewable energy integration. Our approach emphasizes system integration, reliability, and BIM software to reduce environmental impact. Projects include photovoltaic installations, UPS systems, and smart building technologies tailored to commercial, healthcare, and industrial facilities requiring high-performance electrical infrastructure.
Fire Protection Engineering
IMEG designs holistic fire protection systems, including water-based suppression, clean agent systems, and engineered smoke control. Our solutions comply with IBC, NFPA, and FM standards, addressing passive protection, egress analysis, and active suppression. We serve commercial, industrial, and institutional clients, ensuring code compliance and enhanced safety for facilities ranging from data centers to hazardous storage sites.
People
Paul VanDuyne
President/CEO
Paul leads IMEGs strategic vision, leveraging decades of engineering leadership to drive growth and innovation. He champions employee ownership and client-focused solutions, ensuring the firms commitment to creating positive outcomes for communities and the planet.
Mike Zorich
Chief Operations Officer
Mike oversees IMEGs operational excellence, ensuring efficient project delivery across 90+ locations. With extensive experience in engineering management, he focuses on process optimization, quality assurance, and fostering a collaborative culture aligned with the firms strategic goals.
Pat Eikenberry
Vice President of Civil Engineering
Pat leads IMEGs civil engineering division, specializing in municipal infrastructure and land development. With over 500 team members, he emphasizes innovative design and sustainable solutions for transportation, water/wastewater, and environmental projects nationwide.
Kelly Altes
Vice President of Structural Engineering
Kelly directs IMEGs structural engineering practice, managing a team of 400+ professionals. Her expertise spans high-rise construction, seismic retrofitting, and mass timber design, ensuring technically advanced and cost-effective solutions for complex structural challenges.
John Wilczynski
Vice President of MEP Engineering and Technology
John oversees mechanical, electrical, and plumbing engineering services, driving innovation in HVAC, energy efficiency, and smart building technologies. He ensures IMEG remains at the forefront of sustainable design and compliance with evolving industry standards.
Questions
What engineering services does IMEG offer?
IMEG provides civil, structural, mechanical, electrical, fire protection, and process engineering, along with sustainability consulting and building performance optimization for diverse industries.
Which industries does IMEG specialize in?
We specialize in healthcare, education, federal agencies, industrial, transportation, water/wastewater, hospitality, and commercial sectors, among others.
How many locations does IMEG operate in?
IMEG has 90+ offices across the U.S., including major cities in the West, Central, and East regions.
Is IMEG employee-owned?
Yes, IMEG is employee-owned, fostering a culture of ownership and commitment to client success.
What sustainability certifications does IMEG hold?
We design projects meeting LEED, WELL, PHIUS, and Net Zero Energy standards, with expertise in decarbonization and renewable energy assessments.
Has IMEG received industry awards?
Yes, we’ve earned ASHRAE Society Technology awards and national recognition from ACEC and ENR for engineering excellence.