Mazowieckie Zakłady Rafineryjne i Petrochemiczne[]
1964?–1993?[]
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UNKNOWN YEAR
Orlen traces its roots to Mazowieckie Zakłady Rafineryjne i Petrochemiczne, a refinery and petrochemical plant opened in 1964.
Petrochemia Płock[]
1993–2000, 2019–present[]
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In 1993, Mazowieckie Zakłady Rafineryjne i Petrochemiczne was transformed into Petrochemia Płock S.A., a publicly traded company. In 2019, Orlen resurrected the Petrochemia Płock logo as a logo for its new petrol station chain.[1]
Polski Koncern Naftowy[]
1999–2000[]
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In 1999, following the merger with Centrala Produktów Naftowych, Petrochemia Płock was renamed to Polski Koncern Naftowy.[2]