Who founded the Standard Oil Company? By Kalsoom Tahir 🌐 Source Economics & Finance Review ✅ Fact Checked 📊 Difficulty Medium 📅 Last Updated 13 Aug 2026 A. Carnegie B. Vanderbilt C. John D. Rockefeller D. Morgan Check Answer 💡 Explanation: John D. Rockefeller founded Standard Oil and dominated the early oil industry. 📚 Topics: Business and Economics Companies and Entrepreneurs 🎯 Exams: GEN US_COMP