Saint-Gobain is a multinational corporation, founded in 1665 in Courbevoie, Paris. Initially, Saint-Gobain was involved in the production of mirrors, then they diversified into glass products for many fields from industrial glass, medical glass, construction, automotive, to many others.

Currently, Saint-Gobain mainly focuses on designing, manufactures, distributing materials and solutions for many industries. They operate with a system that operates more than 180,000 employees, through several stages of continuous innovation the business is also more environmentally conscious by focusing on solutions to combat climate change and protect the environment. Thanks to its sustainability plans, Saint-Gobain has generated almost $49.3 billion in revenue and leads the glass industry in the world, as announced by major charts around the world.

Headquarters: Courbevoie, France

Founded: 1665

Revenue: $49.3 billion

Number of employees: 180,000 (2018)

Website: https://www.saint-gobain.com/en

PPG Industries is a supplier of coatings in the automotive industry and is also known as a manufacturer of flat glass for the automotive industry. PPG Industries has a history dating back to 1883 as Pittsburgh Plate Glass, it was founded by Captain John B. Ford and John Pitcairn in Pittsburgh, Pennsylvania.

So far, PPG has become a global supplier of paints, coatings, optical products, and specialty materials. They operate in over 70 countries and generated $15.1 billion in revenue in 2019 and are an American Fortune 500 company. PPG Industries is leading the glass industry in the world today in terms of high growth, it is second only to Saint Gobain of France.

Headquarters: Pittsburgh, Pennsylvania, United States

Founded: 1883

Revenue: $15.1 billion

Number of employees: 47,300 (2018)

Website: https://corporate.ppg.com/Home.aspx

AGC is a global glass manufacturing company, headquartered in Tokyo, Japan. It is the largest glass company in the world and is known as one of the core Mitsubishi companies. Now, AGC is grown and is listed on the Tokyo Stock Exchange and is a component of the TOPIX and Nikkei 225 stock indices.

AGC is mainly engaged in the production of flat glass according to a manual method originating from Belgium. Gradually, AGC's product portfolio was expanded to be more diverse than before, by combining knowledge and advanced technology into production. AGC has successfully employed more than 55,000 employees globally and expanded its distribution to 30 countries across Japan/Asia, Europe, and North & South America regions.

Headquarters: Chiyoda City, Tokyo, Japan

Founded: 1907

Revenue: $14.9 billion

Number of employees: 55.000 employees

Website: https://www.agc.com/

Kyocera Corporation is a Japanese multinational ceramics and electronics manufacturer headquartered in Kyoto, Japan. Kyocera's is mainly engaged in manufacturing popular products such as industrial and automotive components, semiconductor packages, electronic devices, solar power generating systems, printers, copiers and mobile phones.

The enterprise is known as a leading manufacturer of ceramics and glass, among the world's largest companies in the glass manufacturing industry. To do that, Kyocera has strived to create environmentally friendly production solutions, reduce greenhouse gas emissions and increase exploration of renewable aspects. As a result, Kyocera has affirmed its sustainable value in the market and is growing with annual revenue of up to $14.6 billion.

Headquarters: Kyoto, Japan

Founded: 1959

Revenue: $14.6 billion

Number of employees: 70,153 (2017)

Website: http://global.kyocera.com/

Corning International is known as the developer and manufacturer of technical glasses trusted by many electronic partners around the world. The enterprise owns abundant human resources and strongly focuses on glass production. It is estimated that in 2020 Corning will have 50,110 employees working here.

The company's flagship product is Gorilla Glass, which has been designed into more than 8 billion devices by more than 45 major brands. Through its Mobile Consumer Electronics Market-Access Platform, Corning continues its legacy of innovation with market-leading cover glasses, as well as glass and optics for semiconductor products, that enhance performance, deliver new connectivity features, enable new designs, and support immersive user experiences with augmented reality and 3D sensing.

Headquarters: Corning, New York, United States

Founded: 1851

Revenue: $11.5 billion

Number of employees: 50,110 (2020)

Website: https://www.corning.com/worldwide/en.html

Nippon Sheet Glass is a subsidiary of multinational corporation Nippon, it acquired Pilkington of the United Kingdom in 2006 and the name Nippon Sheet Glass started from there.

The business is mainly engaged in the production and distribution of glass with glass products including flat glass, interior and exterior decorative glass, solar glass, and most recently umbrella glass innovative cars and technologies create are conceived to support the company's future growth.

Thanks to the strong premise from the parent company, Nippon Sheet Glass has developed into one of the most leading glass companies in the world. It is estimated that in 2021, they have about 26,000 permanent employees and distribution operations to 100 countries.

Headquarters: Tokyo, Japan

Founded: 1918

Revenue: $5.7 billion

Number of employees: 26,000 (Permanent employees, 2021)

Website: https://www.nsg.com/