| Year | Detail |
| 1923 |
Hentzen Coatings, Inc. was founded in 1923 in Milwaukee, Wisconsin, by Erwin A. Hentzen with support from Albert L. Hentzen, Sr., initially operating as a proprietorship in a rented toy factory space. |
| 1999 |
Hentzen established a new powder manufacturing building on Mill Road to meet the capacity demands of the growing powder coating market. |
| 2003 |
Hentzen acquired the Aerospace Products Division of Adheron Coatings Corp., Oak Forest, Illinois, and transitioned manufacturing and R&D to the Hentzen Milwaukee production facilities and laboratory. |
| 2004 |
Hentzen acquired BASF’s coatings manufacturing and R&D facilities in Batavia, Illinois, which included offices, laboratories, a warehouse, and production facilities. |
| 2010 |
Hentzen acquired Axon Products in Greenville, South Carolina, to broaden product lines in aerospace and specialty wood finishes. |
| 2019 |
Hentzen established The Hentzen New Materials Co., Ltd., a manufacturing, research, and distribution center in Nanjing, China. |