
RESHAPING THE EARTH
Groundwork You Can Trust
At Prime Earthworks LLC, we turn plans into progress—handling excavation, grading, and site prep that keep your project moving. With 25+ years of experience and the right tools for the job, we show up ready, so you don’t have to worry about what comes next.


Five Star Reviews
Trusted by local homeowners, farmers, and contractors
Marinette, Wisconsin
Proudly serving Northeast Wisconsin and Upper Michigan
Direct Owner Contact
Work directly with Adam — no salespeople or middlemen
Union-Trained
Experience
Backed by experience, discipline, and a strong work ethic
25+
Years of Experience


About Prime earthworks
We Show Up.
We See It Through.
We’re not just machine operators—we’re problem-solvers who take pride in doing things right. With over 25 years of experience, union training, and a strong work ethic, we bring hands-on expertise to every job. Whether you’re building, buying, or developing land, we handle the excavation, grading, and clearing that make it possible.
From site prep and demolition to pond digging and road building—we help move your project forward.
Hard work. Real results. Every time.

Hard Work Speaks for Itself
Built on Trust. Backed by Our Clients.
Cozzy
Karen and I decided to put in another pond on our property and we contacted Adam to come and take a look at the project. He came on time and gave a very fair quote for the job. Fast forward 4 days later, we had a new pond done to perfection! Every aspect of doing a project with Adam (PRIME) has been perfect.
We highly recommend this company.

Tell us what you need—
we’ll take it from there.
Let’s Get to Digging
When You Call, You Talk to the Guy Running the Machine
At Prime Earthworks, you work directly with the owner—no middlemen, no salespeople, and no runaround.
Just honest work backed by experience, grit, and the right tools to get it done.
Adam Staudenmaier
715.923.2521


Services