Largest Nuclear companies in the world by Market Capitalization

This ranking features the largest 254 Nuclear companies in the world ranked by Market Capitalization, totaling a Market Capitalization of USD 945.98 B, for July 08, 2025.

#	Name	Share Price Year-To-Date (YTD) return Price to Earnings Ratio (P/E) Revenue Revenue Year-on-Year (YoY) growth Operating Income EBIT EBITDA Free Cash Flow Dividend Yield Free Cash Flow Yield Total Assets Total Liabilities Cash and Short-Term Investments	Stock Price	Change	Price (30 days)	52W low/high	Sector

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Frequently Asked Questions

Which Nuclear company in the world has the highest Market Capitalization ?

The Nuclear company in the world with the highest Market Capitalization is Hitachi, Ltd. (Tokyo Stock Exchange: 6501.T) at USD 128.14 B.

Which Nuclear company in the world has the lowest Market Capitalization ?

The Nuclear company in the world with the lowest Market Capitalization is Babcock & Wilcox Enterprises, I (NYSE: BWNB) at None.

What are the top 10 Nuclear companies in the world by Market Capitalization ?

The top 10 Nuclear companies in the world by Market Capitalization are Hitachi, Ltd., Rolls-Royce Holdings plc, Mitsubishi Heavy Industries, Ltd., Mitsubishi Electric Corporation, Cameco Corporation, Doosan Enerbility Co., Ltd., China National Nuclear Power Co., Ltd., CGN Power Co., Ltd., PT Dian Swastatika Sentosa Tbk and Korea Electric Power Corporation.

What are the bottom 10 Nuclear companies in the world by Market Capitalization ?

The bottom 10 Nuclear companies in the world by Market Capitalization are Babcock & Wilcox Enterprises, I, Advent Technologies Holdings, Inc., PT Megapower Makmur Tbk, PT Leyand International Tbk, Remak-Energomontaz S.A., Tennessee Valley Authority PARRS D 2028, Aquarius Engines (A.M) Ltd., SDS HOLDINGS Co.,Ltd., Tomita Electric Co.,Ltd. and Charwood Energy SA.