1999–present[]
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Exxon bought Mobil in December 1999, naming the joint holding company ExxonMobil. Both names are still used on their own at their respective locations. The new identity was developed by Lippincott & Marguiles.
ExxonMobil
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| Current assets: Aera Energy | Esso | Exxon | Federal Oil (Indonesia) | Imperial Oil (Canada) | Mobil (1) | Synergy | XTO Energy Former/defunct assets:  |