| 1965 | Johnson Service Co. securities listed on the New York Stock Exchange |
| 1966 | Sales exceed $100 million |
| 1968 | Acquired Penn Controls which produces refrigeration and gas heating controls |
| 1968 | Became a Fortune 500 company |
| 1972 | Introduced JC80, the first mini-computer built to control building systems |
| 1974 | Company renamed Johnson Controls, Inc. |
| 1978 | Acquired Globe-Union, Inc. and entered automotive battery business |
| 1985 | Acquired Hoover Universal, the source of its automotive seating and plastics machinery businesses |
| 1989 | Acquired Pan Am World Services and entered facilities management business |
