Energy companies established in 1910

Citgo Petroleum Corporation, or Citgo (stylized as CITGO), is a United States–based refiner, transporter and marketer of transportation fuels, lubricants, petrochemicals and other industrial products. Headquartered in the Energy Corridor area of Houston, it is majority-owned by PDVSA, a state-owned company of the Venezuelan government (although due to U.S. sanctions in 2019, they no longer economically benefit from Citgo).

Elektroprivreda Crne Gore AD is an integrated electricity company located in Niksić, Montenegro. The company is listed at Montenegro Stock Exchange with majority of shares owned by the government. Rest of the shares are traded at the Montenegro Stock Exchange.

Melco International Development Limited, formerly The Macao Electric Lighting Company Limited, is a multinational investment holding company based in Central, Hong Kong. Melco International invests in casino and hospitality business and other businesses in Hong Kong, Macau, the Philippines, and Cyprus. One of the 100 oldest companies in Hong Kong, it was founded in 1910 and listed on the Hong Kong Stock Exchange in 1927. Originally an electricity supplier to Macau, around 2001 Melco International diversified into casino development and operations, building casino resorts such as Studio City Macau, City of Dreams Macau, City of Dreams Manila, and Altira Macau. Currently the major subsidiary that Melco International operates is Melco Resorts & Entertainment Limited.

Evergy, Inc. is an American investor-owned utility (IOU) with publicly traded stock with headquarters in Topeka, Kansas, and in Kansas City, Missouri. The company was formed from a merger of Westar Energy of Topeka and Great Plains Energy of Kansas City, parent company of Kansas City Power & Light. Evergy is the largest electric company in Kansas, serving more than 1.7 million residential, commercial and industrial customers in Kansas and Missouri. Its more than 40 power plants have generating capacity of 16,000 megawatt electricity in Kansas and Missouri. Service territory covers 28,130 square miles (72,900 km) in east Kansas and west Missouri. It owns more than 10,100 miles (16,300 km) of transmission lines and about 52,000 miles (84,000 km) of distribution lines.

Tata Power Company Limited is an Indian electric utility and electricity generation company based in Mumbai, India and is part of the Tata Group. With an installed electricity generation capacity of 14,707 MW out of which 5847 MW is from Non-Conventional(Green Energy) sources rest from thermal, making it India's largest integrated power company. In February 2017, Tata Power became the first Indian company to ship over 1 GW solar modules.

Northern States Power Company (NYSE: NSP) was a publicly traded S&P 500 electric and natural gas utility holding company based in Minneapolis, Minnesota, that is now a subsidiary of Xcel Energy (NYSE: XEL).

Nippon Sanso Holdings Corporation (日本酸素ホールディングス株式会社, Nippon Sanso Holdings Kabushiki-gaisha), commonly known as NSHD, is a Japanese multinational industrial gas manufacturer incorporated in 1910 as Nippon Sanso Corporation. The company was founded in 1918.

Castrol India Limited is an automotive and industrial lubricant manufacturing company. Castrol India is the 2nd largest manufacturer of automotive and industrial lubricants in the Indian lubricant market and owns around 20% market share in the overall Indian lubricant market. It is part of Castrol Limited UK (part of BP Group). It has 5 manufacturing plants that are networked with 270 distributors, serving over 70,000 retail outlets.