Underhill® International Corporation

Water Supply and Irrigation SystemsCalifornia, United States2-10 Employees

Underhill International is a trusted leader in professional irrigation tools and turf management products, proudly serving the golf, sports turf, landscape, and DIY markets since 1980. Family-owned and based in Lake Forest, California, we’ve built our reputation by designing and manufacturing products that pros rely on every day on fields, fairways, and front yards.

From innovative hose technologies and high-performance nozzles to precision water removal tools, sprinkler testing gear, and wetting agent solutions, every Underhill product is engineered to deliver unmatched durability, ease of use, and top-tier performance.

Our legacy of innovation includes dozens of patents, proprietary designs, and a product lineup that’s recognized around the world. If you’ve seen a sport played on grass—from the U.S. Open to the World Series—you’ve seen Underhill in action.

At Underhill, we live by our promise: Use What the Pros Use.

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