Business Details
50+ Years
experience
Trusted Engineering Solutions for Midwest Communities
DGR Engineering was founded in 1952 with a vision to deliver innovative engineering solutions across civil, electrical, water, and wastewater systems. With over 70 years of experience, we serve municipalities, rural cooperatives, and private clients throughout the Midwest. Our team of approximately 170 professionals operates from six strategically located offices in Iowa and South Dakota. We prioritize client partnerships, combining technical expertise with a commitment to community development. Our work spans infrastructure projects that enhance quality of life, from transportation systems to water treatment facilities.Recognized as a Top Workplace since 2018, we maintain a culture of employee engagement and client satisfaction. Our accolades include 12 consecutive years in PSMJ's Circle of Excellence, reflecting our operational excellence and industry leadership. We specialize in civil engineering, electrical power distribution, surveying, and water/wastewater systems. Our approach integrates modern technology with practical solutions tailored to client needs. Through decades of service, we've built a reputation for reliability, technical proficiency, and community-focused engineering.
Services
Civil Engineering
Electrical Power Systems
Water Treatment
Wastewater Management
Surveying Services
Aviation Infrastructure
Storm Drainage Design
Utility Engineering
Site Development
Infrastructure Planning
Details
- Year established: 1952
Highlights and features
- 70+ years of engineering excellence in Midwest infrastructure
- Award-winning workplace culture with Top Workplaces recognition
- Specialized expertise in civil, electrical, and water systems
- Client-focused approach with local office presence
- Proven track record with 12 consecutive Circle of Excellence awards
Associations and certifications
- PSMJ Resources Circle of Excellence
- Top Workplaces
What people say
Top Workplaces honor
Circle of Excellence awards
70+ years experience
Community-focused approach
Technical expertise
Services
Civil Engineering
Our civil engineering team specializes in municipal infrastructure projects including roadways, utilities, and stormwater systems. We deliver comprehensive solutions for street reconstruction, site development, and transportation networks. With expertise in both urban and rural environments, we create sustainable infrastructure that supports community growth and improves quality of life through innovative design and construction management.
Electrical Power Systems
We provide complete electrical power system solutions from generation to distribution. Our services include substation design, transmission line projects, and power grid modernization. The team specializes in reliability improvements, system expansions, and integration of renewable energy sources. With extensive experience in both municipal and industrial applications, we ensure safe, efficient, and code-compliant electrical infrastructure solutions.
Water Treatment
Our water treatment experts design and implement comprehensive solutions for potable water systems. Services include treatment plant design, distribution network upgrades, and source water development. We specialize in reverse osmosis systems, filtration improvements, and infrastructure expansions to meet growing demand. Our approach balances technical excellence with cost-effectiveness to deliver safe, reliable water supply solutions for communities.
Wastewater Management
We offer full-service wastewater engineering including collection systems, treatment facilities, and environmental compliance solutions. Our expertise covers system upgrades, capacity expansions, and innovative treatment technologies like MBBR and SAGR systems. We help municipalities meet regulatory requirements while optimizing operational efficiency through modernization projects and lifecycle maintenance planning.
Surveying Services
Our surveying division provides precise data collection and mapping services for engineering projects. We utilize advanced technologies for topographic surveys, boundary determinations, and GIS mapping. These services support accurate design and construction of infrastructure projects, ensuring proper alignment and regulatory compliance for civil, utility, and environmental engineering applications.
People
Curt Dieren
President
With decades of engineering leadership, Curt Dieren guides DGR Engineering's strategic direction while maintaining focus on client relationships and employee development. He emphasizes the company's core values of partnership and community impact.
Chad Rasmussen
Electrical Power Department Head
Chad leads our electrical engineering team with expertise in power system design and grid modernization projects. His technical leadership ensures reliable energy solutions for municipal and industrial clients across the Midwest.
Gary Kurth
Civil Engineering Department Head
Gary oversees civil infrastructure projects with a focus on sustainable community development. His leadership ensures innovative solutions for transportation, utilities, and public works projects that meet evolving client needs.
Daniel Nebelsick
Wastewater/Water Services Department Head
Daniel directs water and wastewater engineering services, specializing in regulatory compliance and system modernization. His technical expertise ensures effective solutions for drinking water and environmental protection projects.
Brian Meyer
Aviation Services Department Head
Brian leads aviation infrastructure projects with a focus on cost-effective solutions for airport clients. His team delivers comprehensive services from planning through construction for airfield and terminal facilities.
Questions
What engineering services does DGR Engineering offer?
We provide civil engineering, electrical power systems, water/wastewater treatment, surveying, and aviation infrastructure services across the Midwest.
How long has DGR Engineering been in business?
We've delivered engineering solutions since 1952, with over 70 years of experience in Midwest infrastructure projects.
Where are DGR Engineering's offices located?
We operate from six offices in Iowa (Rock Rapids, Sioux City, Sioux Center) and South Dakota (Sioux Falls, Belle Fourche, Rapid City).
What industry recognitions has DGR Engineering received?
We've earned PSMJ's Circle of Excellence for 12 consecutive years and Top Workplaces recognition since 2018.
What types of clients does DGR Engineering serve?
We work with municipalities, rural cooperatives, private developers, and industrial clients on infrastructure projects.
How does DGR Engineering approach community projects?
We combine technical expertise with local knowledge to create sustainable solutions that meet community needs and enhance infrastructure.
