Some of the biggest international corporations like Coca-Cola, Unilever, InBev, Johnson Controls, Cameron, Weatherford, Michelin, Timken and others have invested heavily in the recent years.
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After he graduated the courses of the Faculty of Industrial Chemistry, Dan Ioan Popescu remained in the County of Prahova where he worked first as an engineer for the Production Company Valea Călugărească (1971–1972), then as an engineer at the Institute for Research and Process Engineering in Petrochemistry and Refinery of Ploieşti (1972–1973).
Clubul Sportiv Astra-Română (Astra-Română Sports Club) was founded on 18 September 1921 by the "Astra-Română" Society, an oil-company owned by Henri Deterding and based in Prahova.
In 1929, a child named Traian Simion uncovered the helmet by chance on the territory of the village of Poiana Coţofeneşti (now called Poiana Vărbilău), Prahova County, Romania, in the location called "Vârful Fundăturii".
The Sinaia Monastery, located in Sinaia, in Prahova County, Romania, was founded by Prince Mihail Cantacuzino in 1695 and named after the great Saint Catherine's Monastery on Mount Sinai in Egypt.
Ten unidentified soldiers who died at Mărăşeşti, Mărăşti, Oituz, Târgu Ocna, Jiu, Prahova, Bucharest, in Dobruja, Transylvania and Bessarabia were exhumed and laid in oak coffins, doubled with zinc, inside the "Assumption of Mary" Church in Mărășești.
The most important towns in the vicinity are: Câmpina (14 km), Băicoi (6 km), Plopeni (10 km), Ploieşti (25 km - administrative center of Prahova County) and Sinaia (40 km).