- Hitachi, Ibaraki , Japan
- Hitachi Province , former province of Japan
- Prince Hitachi and Princess Hitachi , members of the Japanese imperial family
- Hitachi (train) , trains in Melbourne, Australia
- The Hitachi Foundation , Hitachi, Ltd.'s nonprofit, philanthropic foundation
- Hitachi Foundation , founded in the U.S. by Hitachi Ltd in 1985 {Link without Title}
Companies named :
- Hitachi, Ltd. , a group of companies, manufacturer of electric, electronic and engineering products
- Hitachi Works , the oldest member of the Hitachi group and ancestral home of Hitachi, Ltd.
- Hitachi Cable , independent spin-off of Hitachi Works
- Hitachi Canadian Industries Ltd. (HCI), an independent subsidiary of Hitachi, Ltd. located in Saskatoon, Canada
- Hitachi Construction Machinery Group , subsidiary of Hitachi, Ltd., now parent of Euclid Trucks
- Hitachi Data Systems Corporation , a subsidiary of Hitachi, with enterprise storage systems group based both in Japan and in Santa Clara, California, US
- Hitachi Global Storage Technologies , Disk Drive manufacturer, wholly owned subsidiary of Hitachi, Ltd.
- Hitachi Hatsukaze , aircraft engines built in Japan
- Hitachi Maxell Ltd. , commonly known as Maxell, a separate Japanese electronics company
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