Eight major Houston-based energy corporations including BP (No. 3), Saudi Aramco (Americas HQ, No. 5), Eni (U.S. Operating Co., No. 7), Shell (U.S. HQ, No. 8), Occidental Petroleum (Global HQ, No. 11), Engie (North American HQ, No. 15), Repsol (U.S. oil & gas HQ in The Woodlands, No. 17), and Chevron (Global HQ, No. 19), are ranked among the top 20 global leaders in startup engagement within the energy and environment sector according to StartupBlink’s 2025 Corporate Startup Activity Index.
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