Sankyo Co., Ltd. engages in the manufacture and sale of pachinko and pachislot machines. It operates through the following segments: Pachinko Machines Business, Pachislot Machines Business, Ball Bearing Supply Systems Business, and Others. The Pachinko Machines Business segment produces and sells pachinko machines, machine gauges and its related parts. The Pachislot Machines Business segment markets pachislot machines and related parts. The Ball Bearing Supply Systems segment sells pachinko and pachislot ball feeders, card system equipment, and parlor-related equipment. The Others segment comprises of mobile content service, real estate, golf club operations, and sells general molding products. The company was established on April 12, 1966 and is headquartered in Tokyo, Japan.

Universal Entertainment Corp. engages in the development, manufacture and sales of gaming machines. It operates through the following business segments: The Amusement Machine, Integrated Resort (IR) and Others. The Amusement Machine segment conducts research, development, manufacturing and sales of pachislot machines, pachinko machines and peripheral equipment. The IR segment operates casino, hotel, restaurant, retail & leasing, entertainment and real estate development business in the Philippines. The Others segment covers overseas business. The company was founded by Kazuo Okada on December 2, 1969 and is headquartered in Tokyo, Japan.

Part of KONAMI Group Corp., Konami Digital Entertainment Co., Ltd. is a company headquartered in Tokyo, Japan, that develops mobile and video games.

Heiwa Corp. engages in the development and sales of pachinko machines and other gaming machines. It operates through the Pachinko and Paschislot Machine Business and Golf Business segments. The Pachinko and Paschislot Machine Business segment develops, manufactures, and sells entertainment equipment such as pachinko machines and slots. The Golf Business segment manages and operates golf courses. The company was founded in 1949 and is headquartered in Tokyo, Japan.

Kyoraku Sangyo Co., Ltd. manufactures and distributes pachinko gaming machines. It also undertakes acquisition, management, and licensing of pachinko industrial and intellectual properties. The company was founded on August 01, 1961 and is headquartered in Nagoya-shi, Japan.

Sammy Corp. manufactures and distributes game machines. The firm's products include pachinko, pachislot, arranged-ball, and jankyu machines. The company was founded on November 1, 1975 and is headquartered in Tokyo, Japan.

Sophia Co. Ltd. is a Japanese private company located in Kiryu. The firm manufactures gambling machines (Pachinko).

Fuji Shoji Co., Ltd. is a Japanese company located in Tokyo with a presence in China that produces and wholesales food additives for dessert. The firm was founded in 1957.

Sega Group Corp., a subsidiary of Sega Sammy Holdings, Inc., is a company headquartered in Tokyo, Japan, that develops and publishes video games. Haruki Satomi is the CEO, in this role since 2015.

Daiichi Shokai develops and produces game machines. Daiichi Shokai offers pachinko machines, slots, and other amusement facilities to game halls.

Olympia Co., Ltd., a subsidiary of Heiwa Corp., is a Japanese company located in Tokyo. The firm manufactures and wholesales pachinko machines. Heiwa Corp. acquired Olympia Co., Ltd. on August 01, 2007 for $220.40 million.

Daikoku Denki Co., Ltd. engages in the development, manufacture, and sale of computer systems for pachinko halls and pachislot game machines. It operates through the Information System and Control System segments. The Information System segment offers computer systems, customer premium management systems, and information disclosure systems for pachinko halls. The Control System segment provides display units and control units of pachinko game machines. It also markets pachislot machines and parts for pachinko machines. The company was founded by Shinji Kayamori in September 1965 and is headquartered in Nagoya, Japan.

Ace Denken Co., Ltd. is a Japanese private company located in Tokyo, also operating in Japan, that manufactures slot machines.

NetEase (Hangzhou) Network Co., Ltd., a subsidiary of NetEase, Inc., is a Chinese company located in Hangzhou. The firm provides internet services. It was founded in 2006. Lei Ding is currently the CEO of the company.

Glory Ltd. engages in the development, manufacture, and sale of cash handling machines and systems. Its operations are carried out through the following segments: Financial Market, Retail and Transportation Market, Amusement and Gaming Market, Overseas Market, and Others. The Financial Market segment offers open teller systems, coin and banknote recyclers for tellers, money changers for bank lobbies, and security storage systems. The Retail and Transportation Market segment produces coin and banknote recyclers for cashiers, sales proceeds deposit machines, multi-functional banknote changers, cash recyclers for gas stations, and coin-operated lockers. The Amusement and Gaming Market segment provides card systems for local pachinko parlours and casinos. The Overseas Market segment markets banknote recyclers, sorters, and deposit modules for overseas financial institutions, cash-in-transit companies, and casinos. The Others segment deals with facial recognition systems and collaborative robot SI business. The company was founded in March 1918 and is headquartered in Himeji, Japan.

IGT, a subsidiary of International Game Technology PLC, is an American company that designs, develops, and manufactures microprocessor-based gaming machines and software systems.

Part of Daito Hanbai KK, Daito Giken, Inc. is a company headquartered in Tokyo, Japan. The firm manufactures gambling machines (Pachinko).

Taiyo Elec Co., Ltd. is engaged in the business of manufacturing electronic game machines. It is involved in the development, production, and sales of pachinko (pinball) and slot machines. The company was founded on July 11, 1973 and is headquartered in Nagoya, Japan.

Founded in 1949, Newgin Co., Ltd. manufactures, develops, and markets game machines and amusement equipment parts. The company's products include pachinko and slot machines. Newgin is based in Aichi, Japan and operates in several parts of the country through its domestic offices and production facilities.