Contact Us Today At 877-734-7745 or 715-675-9784

Environmental Consulting

REI helps you maintain compliance with environmental regulations. With a dedicated and experienced team of professionals, we apply creative and critical thinking to deliver cost-effective solutions.

rei engineering client locations

REI Engineering, Inc.
Client Locations

REI helps you maintain compliance with environmental regulations

Environmental compliance is a top priority for many businesses. Continual increases in governmental regulation require companies to review existing policies, procedures, and business practices to maintain compliance. Maintaining compliance with governmental regulation is integral to a company’s goals, culture, and public perception.

REI assists our clients to identify their potential environmental risks and regulatory constraints. We enable our clients to efficiently meet their environmental compliance goals. With a dedicated and experienced team of professionals, we apply creative and critical thinking to deliver cost effective solutions.

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Asbestos Inspection & Sampling

Know about harmful materials that may be present.

Redevelopment & Grant Writing

The redevelopment of contaminated sites is a priority.

Investigation & Remediation

If contamination is suspected, don’t hesitate to act!

Emergency Spill Response

On call 24-hours
a day, 7 days

Environmental Compliance

We help avoid the damage of penalties, fines, or shutdowns.

Environmental Due Diligence

Major decisions
are formed on
our findings.


Guiding farmers through agricultural regulations with timely and accurate results.

Leaking Underground Storage Tanks

Managing the risks of underground storage tank leaks.

Soil & Groundwater Remediation

Your best source for cost effective soil and water remediation.


Properly characterizing soil, groundwater, & bedrock resources.


At the forefront of
stormwater management
and design.

“I had an outstanding experience working with REI from start to finish. They were very knowledgeable and did an excellent job keeping me informed on the progress of the job.”

Jon Thompson, Frank Drive Property

“Everyone always meets my expectations and deadlines. I use REI all the time for the majority of our projects. If I needed to rate, I would say a 4. I don’t typically use any other companies so I don’t have much comparison, unfortunately. Ken and Scott are great to work with!”

Tiffany Burnett, River Valley Bank

“REI Engineering staff and leadership do what they say they will do, exhibit a high level of professionalism, exceed responsiveness expectations, and deliver thoughtful customer care. M3 Insurance proudly partnered with REI on several seminars this year. Mike Meuret was engaging in his delivery as well as very knowledgeable. The passion when working with Jeny Nieuwenhuis is absolutely contagious. REI engineering is helping set an example of a respectable and admired workplace among influential companies in the Wausau metro!”

Derek Boyd, M3 Insurance

“Citizens First Bank has utilized REI’s services for environmental Phase I reports for several years. I am always pleased with the knowledgeable, efficient, and professional staff.”

Eric Moilien, Citizens First Bank

“REI offers OSHA 10 & 30 Compliance Courses.  We have sent maintenance, safety committee members and safety coordinator.  REI also conducted a safety audit at our facility.  Thanks, REI.”

Jeff Smith, Menzner Lumber & Supply Company

“REI was fast to respond from the moment of the call. Additionally very helpful in answering any questions that were asked. After the initial response, REI kept in contact every step of the way. Couldn’t have gone any smoother than it did. Thank you REI!”

Samantha Schroeder, Green Bay Packaging

REI led us through the process of working with the correct State office to complete and submit the appropriate forms and tests. They told us what to expect and how the process would work and then REI took care of it, keeping us informed throughout the process. I hope we will not ever have a circumstance to need their services again but if we do there would be no hesitation to contact them.

Randy Beck, Royal Credit Union

“I have used REI on more than one occasion and have found them very easy to work with and fairly priced. They are extremely responsive and make you feel comfortable with the process while making sure you understand what and why the procedures are being performed. They are knowledgeable and patient with customers in complicated matters. I never felt rushed or overwhelmed and they were sincere in efforts to “do what’s best for the customer”. I would gladly recommend REI to anyone.”

John Griffin, River Valley Bank

“I had a small tank to be removed at a home that was needed to settle an estate. I contacted REI and Ken Lassa returned my call within a few minutes and asked questions about my job and had a quote to me very quickly. It was a real pleasure working with Ken as he kept me up to date on the schedule of my project and it was complete when they said it would be complete. If I ever come across a need for a tank removal again I will definitely call REI.”

Jim Bartelt, Barbara Bartelt Hibbard Living Trust

“I used REI for a Phase I, Phase II, Asbestos and Lead inspections. They finished all reports timely and for a fair price. They kept me apprised of their progress along the way. I have been a full time commercial real estate broker since 1985. It is the only career I have had since graduating from the University of Alabama. My office is, and always has been, in St. Petersburg, Florida. I needed a company in Northern Wisconsin I could TRUST with these potential deal-killing responsibilities. Bottom line, I know who to use in Florida for these services. I was referred to REI from a very reputable company located in Northern Wisconsin. Ken Lassa and REI did not disappoint. I will use them again for my next client assignment in Wisconsin.”

Felix Fudge, 526 S. Seymore, LLC Brian Lenz