| Year | Detail |
| 1903 |
Dr. Stanton Allen and Lynde Bradley form the Compression Rheostat Company. |
| 1909 |
The company is re-incorporated as the Allen‑Bradley Company. |
| 1934 |
The first solenoid starter with a single moving part creates a sensation. |
| 1935 |
Allen‑Bradley engineers invent hot-molded fixed resistors, revolutionizing electronics. |
| 1941 |
Components go to war in walkie-talkies, RADAR, fighter planes, and defense plants. |
| 1951 |
Allen‑Bradley resistors help power UNIVAC, one of the first computers in the world. |
| 1965 |
launched the Sonic Sifter product. |
| 1979 |
Introduce Data Highway. |
| 1985 |
Rockwell International purchased the Allen‑Bradley Co. |
| 1994 |
Merged with ICOM to create Rockwell Software. |
| 2001 |
Renamed to Rockwell Automation. |
| 2013 |
First cloud-based mobile access to plant floor data via smartphone. |