skos:altLabel | - Union
- Pure Oil Co.
- Union Oil Center
- Barracuda Tanker
- Barracuda Tanker Corporation
- Union Oil
- Union Oil Canada
- Union Oil Co.
- Union Oil Company
- Union Oil Company of California
- Union Oil Company of California, (\"Unocal\")
- Union Oil of California
- Unocal
- Unocal 76
- Unocal Canada Ltd.
- Unocal Geothermal
- Unocal's
- Unocal/Union 76
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