Exceptional Quality is in Everything we do

the Thern Advantage

Any manufacturer can say they build a better crane or winch, but we stand behind that claim with a steadfast reputation for dependable products chosen time and again by companies worldwide. With a history spanning over seven decades, Thern has provided amazing solutions to some very BIG projects all over the world. New customers may wonder, “What can that little Midwest company do?”, while long-time customers wonder, “What can’t they do?”

What Makes Us Different


Pooling decades of knowledge, our experienced in-house engineers consult, design, and make modifications as necessary to provide unsurpassed solutions for any application.


Being an ISO 9001:2015 certified company, we make sure that every product we manufacture in the U.S.A. meets our strict quality standards and is thoroughly tested for performance and durability.


We take pride in offering exceptional lead times that you can count on. We can ship most standard products within two days of order placement. Even our custom products are modular in design with lead times that rival competitors’ delivery of standard products.


Have peace of mind as we guarantee consistent service life for your Thern products by offering a two-year limited solid warranty to ensure complete customer satisfaction.

We're Here to Help

Have questions? Thern’s friendly and knowledgeable sales and service personnel are eager to assist you.

This site is registered on as a development site. Switch to a production site key to remove this banner.