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| 1932 |
Gene O'Rourke starts O'Rourke Petroleum as a Sinclair Agent. O'Rourke operated a gas station offering auto service to and also delivered fuel and lubricants to a variety of customers |
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| 1972 |
Dennis and Pat O'Rourke join O'Rourke Petroleum |
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| 1979 |
O'Rourke Petroleum acquires Harco Oil Company |
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| 1986 |
O'Rourke Petroleum acquires Keneally Oil and formed Austin County |
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| 1991 |
O'Rourke builds its new lubrication distribution facility in Houston, Texas |
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| 1995 |
O'Rourke Petroleum acquires Commercial Lubricants to expand its Houston Industrial lubricants business |
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| 2001 |
O'Rourke Petroleum launches its Industrial Services Business as a part of the Shell Industrial Products PLUS Services program |
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| 2002 |
O'Rourke acquires Lubrecon Systems, Inc., the industry leader in Fluid Reconditioning Services |
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| 2005 |
O’Rourke Petroleum establishes O’Rourke Marine Services |
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| 2006 |
O’Rourke acquires Commercial Lubricants in Dallas, Texas |