Complex sentence: The number of enterprises in which he was involved as founder or supporter is said to exceed 500, and includes Mizuho Financial Group, Tokio Marine & Nichido Fire Insurance Co., Imperial Hotel, Keihan Electric Railway, Taiheiyo Cement, Sapporo Breweries, and NYK Line.
Split into simpler sentences: The number of enterprises in which he was involved as founder or supporter is said to exceed 500. For example, today's Mizuho Financial Group, Tokio Marine & Nichido Fire Insurance Co., Imperial Hotel, Keihan Electric Railway, Taiheiyo Cement, Sapporo Breweries, NYK Line.