Business Details
Trusted Engineering Solutions for Quality Infrastructure
Founded over six decades ago, Clark Dietz has built a legacy of engineering solutions that prioritize community impact over mere infrastructure. Our approach is rooted in honesty, collaboration, and mutual respect, ensuring every project enhances the quality of life for those we serve. With a team of seasoned professionals, we specialize in civil, environmental, transportation, structural, and mechanical/electrical engineering, delivering tailored designs that balance technical precision with sustainable practices. Our clients trust us for our deep local knowledge, commitment to transparency, and a track record of completing projects on time and to exacting standards.Recognized as a Great Place to Work, we foster a culture of diversity and continuous growth, empowering employees to contribute their expertise to meaningful projects. From municipal infrastructure to renewable energy systems, we partner with clients to address both immediate needs and long-term visions. Our field-tested designs minimize disruptions during construction while maximizing efficiency and cost-effectiveness. With 92% of employees affirming our positive workplace culture, we remain dedicated to improving communities through innovative engineering solutions that stand the test of time.
Services
Civil Engineering
Transportation Design
Renewable Energy Solutions
Structural Analysis
Water Resource Management
Construction Management
Electrical Engineering
Mechanical Systems
Environmental Compliance
Municipal Infrastructure
Highlights and features
- We offer 60+ years of engineering experience with specialized expertise in municipal infrastructure
- Our team includes licensed professionals with deep local knowledge of Midwest regulations
- We maintain a 92% employee satisfaction rate reflecting our collaborative workplace culture
- Our integrated approach combines civil, environmental, and transportation engineering under one roof
- We provide full lifecycle project management from feasibility studies to construction oversight
What people say
Exceptional service quality
Knowledgeable team
Timely project completion
Community-focused approach
Technical expertise
Services
Civil Engineering
Clark Dietz delivers comprehensive civil engineering solutions for municipal and private sector projects. Our expertise covers site development, stormwater management, and utility infrastructure design. We create sustainable, code-compliant solutions that balance community needs with environmental considerations while ensuring cost-effective implementation across various project scales.
Transportation Design
Our transportation engineering services encompass highway design, traffic analysis, and urban mobility solutions. We specialize in creating safe, efficient transportation networks that meet current demands while accommodating future growth. Our multidisciplinary approach integrates environmental considerations, community input, and cutting-edge design standards for all roadway projects.
Renewable Energy Solutions
Clark Dietz provides end-to-end renewable energy engineering services with particular expertise in solar power systems. We offer feasibility assessments, system design, and construction management for utility-scale and commercial solar installations. Our engineers optimize energy production while ensuring compliance with local regulations and grid interconnection requirements across Midwest markets.
Water Resource Management
We offer integrated water resource solutions including drinking water systems, wastewater treatment, and stormwater management. Our engineers address water quality challenges and infrastructure needs through innovative, sustainable designs. We help municipalities develop comprehensive water management strategies that balance environmental protection with community growth requirements.
Construction Management
Our construction engineering services ensure project designs translate into successful implementations. We provide field inspections, quality control, and contract administration to maintain compliance with design specifications. Our experienced team minimizes change orders through proactive issue resolution and meticulous documentation throughout the construction process.
People
Wes Christmas
President / Chief Executive Officer
With extensive engineering and leadership experience, Wes Christmas oversees strategic operations and client relationships. He champions the firm's commitment to community-focused engineering solutions while maintaining technical excellence across all projects.
Mustafa Emir
Executive Vice President of Marketing and Business Development
Dr. Emir leads business growth initiatives while maintaining technical oversight of water resources projects. His dual expertise in engineering and market development strengthens client partnerships and expands service offerings across Midwest markets.
Sean Widener
Executive Vice President, Illinois Regional Director
As regional director, Sean Widener manages Illinois operations with focus on transportation and municipal infrastructure. His technical expertise ensures high-quality project delivery while fostering long-term client relationships through collaborative problem-solving approaches.
Nirav Patel
N. Illinois Area Manager / MEP Team Lead
Leading mechanical, electrical, and plumbing engineering services, Nirav Patel combines technical mastery with project management expertise. He ensures integrated system designs meet performance goals while maintaining compliance with evolving industry standards and sustainability requirements.
Jerald Payonk
Chairman of the Board
As Chairman, Jerald Payonk provides strategic guidance based on decades of engineering experience. His leadership maintains the firm's founding principles while supporting innovation in transportation engineering and infrastructure development across the Midwest.
Questions
What engineering disciplines does Clark Dietz specialize in?
We offer civil, transportation, structural, mechanical/electrical, and environmental engineering services with specialized expertise in municipal and renewable energy projects.
Do you work with both public and private sector clients?
Yes, we serve municipal governments, utility providers, and private developers across the Midwest with tailored engineering solutions for infrastructure projects.
How does Clark Dietz handle complex regulatory requirements?
Our team includes specialists in environmental compliance and cultural resource management to navigate federal, state, and local regulations efficiently.
What makes Clark Dietz different from other engineering firms?
We combine 60+ years of Midwest-focused experience with a collaborative approach that prioritizes community impact and sustainable infrastructure solutions.
Can you manage large-scale infrastructure projects?
Yes, we provide full lifecycle project management from initial design through construction oversight for transportation, water systems, and energy projects.
Do you offer renewable energy engineering services?
We specialize in solar engineering solutions including feasibility assessments, system design, and construction management for utility-scale and commercial installations.
