Our Vision is Precision
For over 100 years, Sunnen has built a global business around delivering the highest levels of precision to our customers. Combining a robust distribution network with industry-leading technology, Sunnen integrates bore creation, sizing and finishing into one turnkey solution. Together, we’ll achieve extraordinary results.
Celebrating a Century of Innovation
In 2024, Sunnen officially reached 100 years of partnership, precision and performance. Before we face the future, we’re recognizing the many faces of Sunnen — the people, partners, products, and more that made us who we are today.
Innovation
"At Daniel Defense, precision is everything. Sunnen’s technology plays a vital role in our manufacturing process, helping us achieve exceptional bore consistency and surface finish. The result is enhanced accuracy, extended barrel life, and unwavering reliability our customers count on."