James Jones won the Indy 500.
IPO may refer to  :. Initial public offering of a corporations ' shares to the public. Initial public offering. Initial public offering. Intellectual Property Office -LRB- disambiguation -RRB- , a government agency in many nations. Intellectual Property Organisation of Pakistan. Intellectual Property Organisation of Pakistan. Intellectual Property Organisation of Pakistan. Intellectual Property Owners Association. Intellectual Property Owners Association. Intellectual Property Owners Association. International Philosophy Olympiad. International Philosophy Olympiad. International Philosophy Olympiad. International Progress Organization , a Vienna-based think tank dealing with world affairs. International Progress Organization. International Progress Organization. Interdecadal Pacific Oscillation , an oceanographic / meteorological phenomenon. Interdecadal Pacific Oscillation. Interdecadal Pacific Oscillation. Internationale Prufungsordnung -LRB- IPO -RRB- , an international dog sport , also known as Schutzhund. Internationale Prufungsordnung. Internationale Prufungsordnung. Schutzhund. Schutzhund. Instituto Portugues de Oncologia , in Portugal. Instituto Portugues de Oncologia. Instituto Portugues de Oncologia. IPO -LRB- station -RRB- , a metro station at the University of Porto , Portugal. Israel Philharmonic Orchestra. Israel Philharmonic Orchestra. Israel Philharmonic Orchestra. IPO Model -LRB- Input , Processing , Output -RRB- , a conceptual model of computer systems. IPO Model. IPO Model. Interprocedural optimization , a computer program optimization method. Interprocedural optimization. Interprocedural optimization. Independent Party of Oregon. Independent Party of Oregon. Independent Party of Oregon