Tobu Glass Industry Cooperative Association of Japan
The organization promotes and encourages companies that produce Edo Glass. It organizes notable events, exhibitions, and competitions geared toward the segment.
http://www.tobu-glass.or.jp/
Iwasawa Glass Co.
Founded in 1917, the company produces a wide variety of items, such as plates, bowls, soy sauce saucers (suri guchi and negi guchi), vases, ashtrays, and paper weights, among others.
http://www.iwasawa-glass.co.jp/
Nakakin Glass Inc.
Ever since its foundation, in 1946, it makes pieces using the “Nakakin color superimposition” method, in which two colors are blown simultaneously to overlap. The company helped popularize Edo Glass using a technique called Edo Kiriko.
https://nakakinglass.com/
Sugahara Glassworks Inc.
The Japanese handcrafted glass factory was founded in 1932, in Tokyo. It brings together artisans who use traditional Japanese production techniques and methods to create a variety of pieces, updating them for contemporary life and uses. “Glass is alive” and “Communicating with glass” are the maximum expressions of Sugahara, which has more than 4,000 items in its catalog.
https://sghr.us/
Tajima Glass Co.
The company produces glasses and glass bowls, and pioneered making material overlays (Edo Kiriko and Sand blast). It was awarded for the piece “Edo Glass – Monte Fuji wine glass”, in addition to being granted a decoration from the Japan Tourism Agency. The company was established in 1956.
https://www.tajimaglass.com/
Toyo-Sasaki Glass Co.
With over 100 years of history, the company was founded in the late 19th century and is a leader in the manufacturing of glass dishes, working both with industrial and artisanal processes. While the machine-made line produces high-quality products quickly, the handcrafted one is made by artisans who have mastered extraordinary Edo Glass techniques.
https://www.toyo.sasaki.co.jp/e/