Business Details
28 Years
experience
Your Trusted Excavation & Grading Experts in Southeastern Wisconsin
Willkomm Excavating & Grading, Inc. has been a trusted name in the construction industry since 1998, specializing in excavation, grading, and site utility services. Founded by Nick Willkomm, our family-owned business operates from Union Grove, Wisconsin, and has built a reputation for excellence through over two decades of dedicated service. Our team of OSHA 10-certified professionals delivers precision and safety on every project, serving municipalities, WISDOT, general contractors, developers, and individual clients across residential, commercial, and industrial sectors. With advanced equipment like GPS and laser-guided bulldozers, we handle complex tasks including site preparation, utility installation, foundation excavation, and demolition.Under the leadership of Nicks sons, Nicholas and Nathan Willkomm, we continue to uphold our founders work ethic while expanding our capabilities to meet evolving industry demands. Our commitment to quality is evident in landmark projects like the Darien Solar Farm and Kwik Trip Truck Stop infrastructure. We prioritize client satisfaction through transparent communication, technical expertise, and adherence to the highest safety standards. As a Southeastern Wisconsin staple, we remain focused on delivering tailored solutions that exceed expectations. Our long-standing relationships with clients reflect our dedication to integrity, reliability, and continuous improvement in earthwork and site development.
Services
Site Preparation
Excavation
Site Utilities
Demolition
Grading
Utility Exposure
Storm Sewer Installation
Soil Compaction
Aggregate Base Course
Details
- Year established: 1998
Highlights and features
- We offer 20+ years of specialized expertise in Wisconsin earthwork projects.
- Our team utilizes GPS and laser-guided technology for precise grading.
- All employees maintain OSHA 10 certification for workplace safety compliance.
- We serve diverse clients including WISDOT, municipalities, and commercial developers.
- Family-owned business combining tradition with modern construction methodologies.
Associations and certifications
- OSHA
Services
Site Preparation
Our site preparation services include vegetation removal, debris clearing, and ground leveling using advanced GPS and laser-guided equipment. We handle material transport and soil compaction to create optimal foundations for construction projects. This critical first step ensures structural integrity for roads, buildings, and parking lots across residential and commercial developments.
Utility Installation
We specialize in installing sanitary sewers, storm water systems, and water mains with precision excavation techniques. Our team handles underground detention systems and utility exposure for existing infrastructure maintenance. These essential services support municipal projects and commercial developments while meeting all regulatory requirements for underground utilities.
Foundation Excavation
Our excavation experts perform accurate foundation digging for residential, commercial, and industrial buildings. We handle contaminated soil removal and footing excavation for structures like light poles and sign bases. Using modern equipment and trained crews, we ensure proper depth and stability for all foundation types while maintaining safety standards.
Demolition Services
We provide safe demolition of concrete, asphalt, and building structures to prepare sites for new development. Our fleet handles slab, wall, and foundation removal along with complete site clearance. This service supports urban renewal projects and industrial site redevelopments while following environmental safety protocols for material disposal.
Grading Services
Our grading solutions create precise elevation profiles for construction sites using advanced laser-guided technology. We balance soil distribution and compact surfaces to meet project specifications for roads, parking lots, and building pads. This service ensures proper drainage and foundation stability for both residential and commercial developments.
People
Nick Willkomm
Founder
Nick Willkomm established the company in 1998, growing from small private projects to a full-service excavation contractor. He instilled core values of quality and safety that continue guiding the business today.
Nicholas Willkomm
Co-Leader
Nicholas Willkomm carries forward his father's legacy while expanding service offerings. He focuses on maintaining traditional work ethics while adopting new technologies for improved project outcomes.
Nathan Willkomm
Co-Leader
Nathan Willkomm helps lead the company's growth strategy while preserving family values. He emphasizes technical innovation and expanded service capabilities to meet evolving client needs.
Questions
What types of excavation projects do you handle?
We handle residential, commercial, and industrial excavation projects including foundations, utility installation, and site preparation across Southeastern Wisconsin.
Are your employees certified for safety standards?
All our employees maintain OSHA 10 certification to ensure safe operations on every project site.
What areas do you serve?
We primarily serve Southeastern Wisconsin including Kenosha, Racine, Waukesha, and surrounding counties.
What equipment do you use for grading projects?
We utilize GPS and laser-guided bulldozers for precise grading and site preparation work.
Can you handle large-scale infrastructure projects?
Yes, we've completed major projects for WISDOT, municipalities, and commercial developers including solar farms and industrial parks.
