About Us


A Dependable Provider of Water Treatment

For more than 50 years, Synergy Sales LLC has been representing water monitoring instrumentation manufacturers in Wisconsin, Northern Illinois, and the Upper Peninsula of Michigan. Our primary goal is to provide our clients with total customer service from the ground up.

Our Products and Services

At our company led by Hal Henderson, our product base has always been water process control instrumentation, which includes primary measurement elements and transmitters. We provide installation and startup services for all of our products.

Why Choose Us

When you choose Synergy Sales LLC, you can be assured that we will be there from start to finish. Our company is built on the ideas of community trust and providing value to our clients. You can rely on the experience and expertise of our team to ensure you are satisfied with our partnership.


Reach Out to Us

We are committed to providing our clients with accurate instruments for their water monitoring needs. If you are interested in the products we offer, get in touch with us today.