Business Details
35 Years
experience
Emergency
services
Trusted Civil Engineering & Environmental Solutions
Founded in 1991, REI Engineering is a family-owned business rooted in honesty, respect, and innovation. Our team of 45+ professionals delivers civil engineering, land surveying, environmental consulting, and regulatory compliance solutions with a focus on exceeding client expectations. With decades of combined experience, we leverage expertise in AutoCAD, hydrogeology, and safety consulting to provide practical, client-centered services. Our culture prioritizes community engagement, professional development, and fun, ensuring long-term client relationships.Recognized as Wausau's Small Business of the Year in 2002, we remain committed to technical excellence and community impact. Our LEAP program fosters continuous growth, while initiatives like the Sunflower Project demonstrate our dedication to social responsibility. From Kennedy Park Redevelopment to complex environmental remediation, we combine technical precision with personalized service to deliver projects on time and within budget.
Services
Civil Engineering Design
Land Surveying
Environmental Consulting
Regulatory Compliance
Safety Consulting
Emergency Response
Details
- Year established: 1991
Highlights and features
- 30+ years of experience in civil engineering and environmental consulting
- Team of certified professionals including civil engineers and land surveyors
- Proven track record with complex projects like Kennedy Park Redevelopment
- Comprehensive services spanning design, surveying, and regulatory compliance
- Community-focused approach with local economic development initiatives
What people say
Skilled professional services
Consistent service delivery
Helpful communication
Great community partner
Timely project completion
Services
Civil Engineering Design
Our civil engineering team creates infrastructure solutions for municipal and private projects. We handle site development, roadway design, and utility systems with AutoCAD specialists ensuring precision. Clients benefit from 30+ years of experience delivering cost-effective, code-compliant designs that meet evolving regulatory standards.
Land Surveying
Professional land surveyors provide boundary, topographic, and construction staking services. Our team uses advanced technology for accurate property mapping and development planning. Clients receive reliable data for land transactions, zoning compliance, and infrastructure projects across Wisconsin.
Environmental Consulting
We offer site assessments, remediation planning, and regulatory compliance for environmental projects. Our experts handle petroleum remediation, soil testing, and compliance documentation. Clients receive practical solutions that balance environmental stewardship with project timelines and budgets.
Regulatory Compliance
Our specialists navigate federal, state, and local regulations for engineering projects. We prepare permits, environmental impact assessments, and compliance documentation. Clients benefit from our deep understanding of regulatory frameworks to avoid delays and ensure project approval.
Safety Consulting
We develop safety protocols and conduct risk assessments for construction and industrial sites. Our consultants provide training programs and compliance audits. Clients receive tailored solutions to maintain safe work environments while meeting OSHA and industry standards.
People
Jeny Nieuwenhuis
President
As president and co-founder, Jeny leads REI's strategic growth while maintaining client relationships. Featured on The Kelly Clarkson Show for community initiatives, she champions innovative engineering solutions and team development programs.
Tom Radenz
Vice President
With 40 years of surveying experience, Tom oversees technical operations and mentored generations of professionals. His expertise in land surveying and civil engineering shaped REI's expansion into a multidisciplinary firm before semi-retiring in 2023.
Ken Lassa
Vice President
As Senior Consultant and Professional Soil Scientist, Ken leads environmental projects and professional development initiatives. Promoted to VP in 2022, he specializes in soil science applications for remediation and land development projects.
Questions
What engineering services does REI offer?
We provide civil engineering design, land surveying, environmental consulting, regulatory compliance, safety consulting, and emergency response services.
How long has REI Engineering been in business?
We've served clients since 1991, with our founding team establishing expertise in environmental consulting and land surveying.
Do you offer emergency response services?
Yes, our specialized team provides emergency response services for environmental and engineering-related incidents.
What areas do you serve?
We primarily serve Wausau, WI and surrounding North Central Wisconsin communities.
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