Business Details
50+ Years
experience
Your Trusted Civil Engineering Partner in Sioux Falls
Founded in 1969, our firm has built a legacy of engineering and surveying excellence rooted in collaboration and client-focused solutions. We began as a branch of an established engineering firm before evolving into an independent practice driven by Richard Sayres vision of relationship-based service. Over five decades, weve expanded our technical capabilities while maintaining core values of listening, adaptability, and quality. Our team of engineers and surveyors delivers tailored infrastructure solutions for public and private clients across South Dakota, Minnesota, and Iowa.We combine deep regional expertise with advanced technologies like 3D scanning to address complex challenges in municipal projects, land development, and construction. Our commitment spans from initial design through project completion, ensuring regulatory compliance and long-term community impact. With a history of innovation and a forward-looking approach, we remain dedicated to advancing the regions we serve through sustainable, precision-driven engineering practices.
Services
Municipal Engineering
Street Design
Utility Reconstruction
Drainage Solutions
Water Distribution
Storm Sewer Systems
Site Design
Land Development
Professional Land Surveying
3D Scanning Technology
Details
- Year established: 1969
Highlights and features
- We offer over 50 years of civil engineering expertise in the Midwest region.
- Our team prioritizes listening to deliver site-specific infrastructure solutions.
- We serve clients across the tri-state region with localized knowledge and resources.
- Our commitment spans from project design to construction oversight and compliance.
- We maintain a reputation for engineering and surveying excellence since 1969.
Services
Municipal Engineering
We specialize in municipal infrastructure projects including street design, utility systems, and drainage solutions. Our engineers create code-compliant plans for water distribution, storm sewers, and sanitary systems that enhance urban functionality. With decades of experience in public works projects, we ensure long-term durability and regulatory compliance for cities and towns across the Midwest.
Land Surveying
Our professional land surveying services include ALTA/NSPS standards, boundary determination, and topographic mapping. Using 3D scanning technology, we provide precise data for property transactions, construction staking, and flood insurance assessments. These surveys support accurate project planning and legal documentation for both private and public sector clients.
Site Development
We offer comprehensive site design services for commercial, institutional, and residential developments. Our team creates conceptual layouts, erosion control plans, and platting documents that optimize land use while meeting environmental regulations. From parking lot reconstruction to building expansions, we ensure functional and sustainable site improvements.
Vibration Monitoring
Our vibration monitoring services protect structures during construction and blasting activities. We conduct pre/post-blast condition assessments, crack monitoring, and remote data collection to ensure safety compliance. This service supports infrastructure projects near sensitive buildings while maintaining community relations through transparent reporting.
Wetland Delineation
We provide wetland identification, impact assessments, and mitigation planning to support development projects. Our team prepares detailed reports for regulatory permitting and creates sustainable solutions that balance environmental protection with client needs across transportation, municipal, and private sector projects.
Questions
What geographic areas do you serve?
We provide engineering and surveying services throughout South Dakota, Minnesota, and Iowa, with headquarters in Sioux Falls, SD.
What industries do you specialize in?
Our expertise covers municipal infrastructure, land development, transportation projects, and environmental compliance for both public and private sector clients.
How long has your company been in business?
We've delivered engineering solutions since 1969, with our founding in Sioux Falls marking the start of our independent practice.
What technologies do you use?
We utilize 3D scanning technology and advanced surveying equipment to ensure precision in all projects, from boundary mapping to construction staking.
How do you handle complex projects?
Our team provides full-cycle support from concept planning through construction administration, including regulatory compliance and vibration monitoring for challenging sites.
