PRSI is pay related social insurance.everyone must pay it by law. !!!
PRSI (Pay Related Social Insurance) contributions in Ireland provide various social welfare benefits such as State Pension (Contributory), Illness Benefit, Maternity Benefit, Jobseeker's Benefit, and Widow's, Widower's or Surviving Civil Partner's Pension. PRSI contributions also help fund other social welfare supports and services.
In relation to business it stands for "Pay Related Social Insurance." It is a major income tax in Ireland.
According to U.S. Energy Information Administration here are the places that get their oil from OPEC and those that do not. The following chart was taken from their official web site at: http://www.eia.doe.gov/pub/oil_gas/petroleum/data_publications/company_level_imports/current/summary2007.html JANUARY - DECEMBER 2007 (Thousand Barrels)Totals:3,628,696768,73421%CompanyTotalPersian Gulf% Persian GulfVALERO MARKETING & SUPPLY CO469,629153,51933%EXXONMOBIL OIL CORP475,983155,18133%CONOCOPHILLIPS CO452,34022,9925%CHEVRON USA INC254,44291,66036%SUNOCO INC255,44000%MOTIVA ENTERPRISES LLC209,652160,87677%BP PRODUCTS N AMERICA INC188,29234,09918%CITGO PETROLEUM CORP180,4799491%MARATHON PETROLEUM CO LLC174,34364,13437%FLINT HILLS RESOURCES LP139,9106,5165%SHELL OIL CO DEER PARK107,82500%HOUSTON REFINING LP93,54300%TESORO PETROLEUM CORP75,8354,1435%PDV MIDWEST REFINING LLC57,33600%TOTAL PETROCHEMICALS USA INC50,61118,59137%SHELL US TRADING CO52,1841,8974%CHALMETTE REFINING LLC37,0022501%MURPHY OIL USA INC29,42610,46936%CITGO ASPHALT REFINING CO26,29500%TESORO HAWAII CORP26,5619,43536%PRSI TRADING LP23,63100%GIANT YORKTOWN INC8,60700%UNITED REFINING CO20,99000%SHELL CHEMICAL LP17,16000%PLAINS MARKETING LP21,6745042%VITOL SA INC13,43800%CHS INC16,17400%SINCLAIR OIL CORP17,60600%FRONTIER OIL & REFINING CO18,13200%SHELL OIL CO14,11200%WRB REFINING LLC15,98515,985100%HUNT CRUDE OIL SUPPLY CO10,6365,41851%SHELL OIL PRODUCTS US PUGET SOUND8,30400%SUNCOR ENERGY USAINC8,87900%KOCH SUPPLY & TRADING CO6,0005,50092%ERGON OIL PURCHASING INC6,26600%PARAMOUNT PETROLEUM CORP7,44700%LION OIL CO6,4466,446100%TRIGEANT LTD3,58100%MONTANA REFINING CO3,43600%NCRA2,62900%ARON J & CO3,66200%CANNAT ENERGY INC3,64100%TIDAL ENERGY MARKETING INC4,21400%STATOIL MKTG & TRDG US INC3,65900%EQIUSTAR CHEMICALS LP1,01800%US OIL & REFINING1,55217011%FLYING J PETROLEUM INC1,11500%PACIFIC MARKETING & TRANSP32800%GARY-WILLIAMS ENERGY CORP87700%MERCURIA ENERGY CANADA INC13800%UBS AG LONDON BRANCH23100% Persian Gulf includes = Bahrain, Iran, Iraq, Kuwait, Qatar, Saudi Arabia, and United Arab Emirates.