| Year | Detail |
| 1883 |
Captain John B. Ford and John Pitcairn established the Pittsburgh Plate Glass Company (PPG). |
| 1900s |
PPG acquires the Patton Paint Company in Milwaukee, Wisconsin. |
| 1920s |
PPG acquires Ditzler Color Company. |
| 1930s |
PPG introduces Solexheat-absorbing glass. |
| 1980s |
PPG introducesTeslin, a synthetic printing material. |
| 1990s |
PPG develops photochromatic lenses. |
| 2008 |
PPG acquired the SigmaKalon Group. |
| 2013 |
PPG acquired the North American architectural coatings business of AkzoNobel. |
| 2022 |
PPG acquired Tikkurila. |
| 2023 |
PPG partners with Prague Crafts Academy to train the next generation of painters. |