| Year | Detail |
| 1896 |
The enterprising father and son team of A.J. and George A. Briggs partnered with S.A. Buffington to establish Chicago Telephone Supply Co., which later became CTS Corp. |
| 1902 |
The company founded a facility 100 miles east of Chicago in Elkhart, Indiana. |
| 1920s |
Chicago Telephone Supply Co. started re-inventing telephone products such as jacks, plugs, and headphones for the emerging radio market. |
| 1940s |
Chicago Telephone Supply Co. implemented the technology of variable resistors and switches in the new television market. |
| 1958 |
The company introduced Cermet, a new type of stable resistance element, to meet the demand for miniaturized applications in the computer and military industries and secure CTS’ participation in electronic markets. |
| 1960 |
Chicago Telephone Supply Co. was renamed CTS Corp. to reflect its diverse product line offerings accurately. |
| 1968 |
The company established a manufacturing operation in Taiwan to serve the off-shore production facilities of North American-based OEMs and counter low-cost Asian component manufacturing. |
| 1980s |
CTS Corp. acquired a successful connector and backplane manufacturer with operations in North America and Scotland. |
| 1990s |
CTS Corp. merged with Dynamics Corporation of America (DCA) to strengthen its position as a leading producer of electronic components. |
| 1999 |
CTS Corp. acquired Motorola’s Component Products Division (CPD). This acquisition placed the company at the forefront of the emerging cell phone handset and base station market by manufacturing ceramic filters, duplexers, and other telecommunication components. |
| 2007 |
CTS Corp. acquired Alpha Ceramics, a provider of piezoceramic materials for sensor and transducer manufacturers, to enhance its leading position in piezoceramics with a unique range of capabilities globally. |
| 2008 |
The company acquired Tusonix, Inc., a manufacturer in Nogales, Mexico, and integrated electromagnetic and radio frequency interference (EMI/RFI) filter components into its product family. |
| 2012 |
CTS Corp. acquired Valpey-Fisher Corp., one of the leading providers of precision frequency crystal oscillators, to expand CTS’ technology and engineering capabilities. |
| 2019 |
The company acquired QTI Sensing Solutions and entered into the temperature sensing market. |