Business Details
Emergency
services
Ground Penetrating Radar & Construction Experts
Definitive GPR Services has established itself as a leader in Ground Penetrating Radar (GPR) technology and construction services, combining 62 years of combined industry experience with cutting-edge subsurface investigation techniques. As licensed General Contractors, we specialize in high-resolution concrete imaging, utility detection, and geophysical exploration, serving both residential and commercial clients across the United States. Our commitment to safety, precision, and transparency ensures that contractors receive accurate data before drilling, cutting, or coring operations. With primary offices in Hudson, WI, and Northfield, MN, we provide nationwide service while maintaining local relationships in the Twin Cities metro area.Our team of certified professionals holds credentials including EPA RRP, OSHA 10, MSHA, and GSSI certifications, demonstrating technical expertise in identifying embedded objects like post-tension cables, rebar, and voids. We approach every project with a hands-on philosophy, prioritizing client value through real-time on-site analysis and competitive pricing. Our vision integrates advanced technology with ethical business practices, positioning us as trusted partners for construction safety and subsurface utility engineering. From residential remodeling to commercial restoration projects, we deliver comprehensive solutions that meet evolving industry standards while maintaining strict adherence to non-destructive testing protocols.
Services
Concrete Scanning
Utility Detection
Geophysical Exploration
Residential Construction
Commercial Construction
Highlights and features
- We offer 62 years of combined construction experience with certified GPR technicians
- We provide 24/7 personalized customer support for urgent projects
- Our nationwide service covers all 50 states from our Midwest base
- We use high-resolution GPR technology for extreme subsurface imaging precision
- Our team holds multiple industry certifications including EPA RRP and OSHA 10
Associations and certifications
- EPA RRP
- OSHA 10
- MSHA
- GSSI
Services
Concrete Scanning
Our concrete scanning service uses Ground Penetrating Radar to detect embedded objects like rebar, post-tension cables, and utilities. This non-destructive technology prevents costly mistakes during construction projects by identifying hazards before cutting or coring operations. Clients receive detailed subsurface maps that enhance job site safety and reduce risk exposure.
Utility Detection
We employ advanced GPR and radio detection methods to locate underground utilities including electrical lines, water pipes, and communication cables. Our certified technicians produce accurate utility maps that guide excavation projects and prevent service disruptions. This service supports compliance with safety regulations and infrastructure protection requirements.
Geophysical Exploration
Our geophysical exploration service uses GPR technology for environmental site assessments and geological investigations. This non-invasive method creates high-resolution subsurface images that assist geologists in identifying soil layers, bedrock formations, and potential contamination zones. The data supports environmental remediation and land development projects.
Residential Construction
As licensed General Contractors, we provide full-service residential construction including new home builds and remodeling projects. Our GPR expertise ensures safe concrete work during renovations while our construction team delivers quality craftsmanship. Services cover exterior/interior remodeling and complete home construction in Minnesota and Wisconsin.
Commercial Construction
We handle commercial construction projects ranging from office spaces to hospitality venues. Our services include structural assessments using GPR technology, building renovations, and facility restorations. With experience in apartment complexes, religious centers, and restaurants, we deliver comprehensive solutions for commercial property owners and developers.
People
Nick Sjobeck
Owner / Co-Owner
Nick Sjobeck brings 20 years of home building experience and 4 years of GPR expertise to Definitive GPR. Certified in EPA RRP, OSHA 10, and MSHA standards, he focuses on hands-on problem solving and client relationship management. His technical background ensures operational excellence in subsurface investigations.
Questions
What services does Definitive GPR & Construction Services offer?
We specialize in Ground Penetrating Radar (GPR) services including concrete scanning, utility detection, and geophysical exploration. We also provide residential and commercial construction services as licensed General Contractors.
Which areas do you serve?
While based in Hudson, WI and Northfield, MN, we provide nationwide service across all 50 states for GPR and construction projects.
How experienced is your team?
Our team has 62 years of combined construction experience with certified GPR technicians holding EPA RRP, OSHA 10, and MSHA credentials.
Do you offer emergency services?
Yes, we provide 24/7 support for urgent projects requiring immediate subsurface investigation or construction assistance.
What makes your GPR services unique?
We combine high-resolution imaging technology with real-time on-site analysis to deliver precise subsurface data that prevents construction hazards and project delays.
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Reviews (1)
Nathan Guse
Aug 20, 2021
Report
Positive:Professionalism,Quality,Responsiveness,Value
Scott is a great guy to work with. Highly recommend them.
Scott is a great guy to work with. Highly recommend them.
