Intermatic

Intermatic Incorporated is an American manufacturer of time switches headquartered in Spring Grove, Illinois. Intermatic was founded in 1891 in Chicago, Illinois as the International Register Company to produce fare registers.^[2]

Intermatic Inc.

Industry	Electrical equipment
Predecessor	International Register Company
Founded	1891; 134 years ago (1891) in Chicago, Illinois, United States
Founder	Arthur Woodward[1]
Headquarters	Spring Grove, Illinois , United States
Number of employees	250 to 1000 (2022)
Website	intermatic.com

The company's founder was A.H. Woodward who held several patents on fare registers (mechanical devices for recording passenger ticket and ridership).^[3][4]

A register for recording transit fares by A. H. Woodward of the International Register Co.

The company 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]