Intermatic Inc. is an American manufacturer of time switches based in Spring Grove, Illinois.
Intermatic Incorporated was founded in 1891 in Chicago, Illinois as the International Register Company to produce fare registers.[2] Its founder was A.H. Woodward who held several patents on fare registers (mechanical devices for recording passenger ticket and ridership).[3][4]
It introduced its first lighting timer in 1945, and today makes timing and control systems for line and low voltage systems used in residential, commercial, government, and industrial systems.[5]
The company sells the Time-All line of timers for consumer applications.[6][7]
On April 23, 2025, MPE Partners announced that it had acquired the company.[8]
For example, the Time-All Programmer from Intermatic Inc.
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