| Name | Astemo Americas, Inc. |
| Business | Development, manufacture, sales and services of automotive components, etc. |
| Representative | Tim Clark, President & CEO |
| Established | April 1, 2021 (originally began in the US in 1974 as Automotive Division of Hitachi America, Ltd.) |
| Headquarters | 34500 Grand River Avenue, Farmington Hills, Michigan 48335 |
| Registered Head Office | 955 Warwick Road, Harrodsburg, Kentucky 40330 |
(S) = Sunbury Location (B) = Blanchester Location
2025 Hitachi Astemo renamed Astemo
Hitachi Automotive Systems, Keihin, Showa and Nissin Kogyo conclude management integration and establishes Hitachi Astemo
- Announces management integration with Keihin, Showa and Nissin
- Acquires seneos to reinforce front-end engineering capabilities
- Establishes new company for electric vehicle motors, Hitachi Automotive Electric Motor Systems America
Acquires Chassis Brakes International, aiming to create a platform for advanced safety system
Establishes a joint venture company for electric vehicle motors, Hitachi Automotive Electric Motor Systems
- Established Hitachi Automotive Systems Americas, Silicon Valley Advanced Research Office in California, US
- Established Hitachi Automotive Systems Americas, sales office in Ohio, US
- Chassis Brakes International established in Queretaro, Mexico
- Hitachi Automotive Systems San Juan del Rio established in Queretaro, Mexico
- Merged Hitachi Automotive Systems Queretaro and Hitachi Automotive Systems Mexico and named Hitachi Automotive Systems Mexico
- Hitachi Automotive Systems Queretaro established in Queretaro, Mexico
- Keihin established in San Luis Potosi, Mexico
- Showa established in Guanajuato, Mexico
- Nissin established in Guanajuato, Mexico
- Acquires all shares of Germany-based HUECO Automotive
- Hitachi Automotive Products, Unisia of Georgia, and Tokiko was consolidated in the US then renamed Hitachi Automotive Systems Americas, Inc. to be a regional HQ in the Americas
- Chassis Brakes International established in Sao Paulo, Brazil
- Regional Headquarters (RHQs) are established in four overseas regions: the Americas, Europe, China, and Asia
Hitachi spins off to form Hitachi Automotive Systems
TOKICO and Hitachi Unisia Automotive merged with Hitachi
Invests additional capital into Unisia Jecs Corporation, making it a wholly owned subsidiary, and changes company name to Hitachi Unisia Automotive
- Keihin established in Amazonas, Brazil
- Findlex Georgia Corp. (now Astemo Rock Spring, Inc.) established in US
Capitalizes 16.7% of the stock of Unisia Jecs
Showa established in Ontario, Canada
- Keihin Seiki Manufacturing, Hadsys and e-Giken merged and established Keihin Corporation
- Unisia of Georgia Corporation established in Georgia, US
- Nissin established in Amazonas, Brazil
Merger of Sunbury Component Industries & Former Cincinnati Milicron to form American Showa, Inc.
- Atsugi Unisia merged with Nihon Denshi Kiki to form Unisia Jecs
- Renamed as SHOWA after the merger with Seikigiken Kogyo
Atsugi Automotive Parts changes its company name to Atsugi Unisia
- Keihin established in Indiana, US
- Nissin established in Ohio, US
- Former Cincinnati Milicron Blanchester plant established
TOKICO US established in Kentucky, US
- Hitachi Automotive Products Farmington Hills Technical Center established in Michigan, US
- Showa established in Ohio, US
- Sunbury Component Industries, Sunbury plant established
Hitachi Automotive Products established in Kentucky, US
Showa established in Amazonas, Brazil
"Atsugi Mexicana* established in Federal District, Mexico
*Name has been changed to 1) Unisia Mexicana in 2004, then 2) Hitachi Automotive Systems Mexico in 2014"
Local subsidiary established in Brazil
Started business in the US as Automotive Division of Hitachi America, Ltd.
Nihon Denshi Kiki is established
Sawa Plant is established
Tokyo Kiki Kogyo changes its company name to TOKICO
Hitachi establishes the Automotive Products Division
- Atsugi Automotive Parts is established
- Keihin Seiki is founded
Nissin Kogyo is established
Showa Aircraft Precision Works renames as Showa Manufacturing
- Tokyo Kiki Kogyo becomes a subsidiary of Hitachi
- Showa Aircraft Precision Works is established
Tokyo Kiki Kogyo is established
Hitachi advances into domestic production of automotive electric parts
