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Study predicts Top 5 Slot Machine Makers from 2017-2021

A new Slot Machines Market Research Report has named the top five slot machine makers in today's highly competitive games manufacturing industry.

Updated 27 Jun 2026Section Casino Games5 min read

A new market research report by Technavio has identified the top 5 slot machine makers across the globe. The study, designed to predict the Global Slot Machines Market 2017-2012, projects overall growth of 15.49% over the next five years.

While the report offers underlined market building strategies for the industry, one of the most interesting factors is the list of “key vendors” now, and thru 2021. These are the companies expected to produce the highest volume of player-appreciated slot machines in the coming years.

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Top 5 Slot Machine Makers

The following list of slot machine makers is an impressive one indeed, teeming with proven leaders in the real money games manufacturing industry. We’ll take a quick look at each, and why they made the list of most successful vendors today, and into the foreseeable future.

Aristocrat Leisure Limited

It’s no surprise that Australia-based Aristocrat Leisure was named the #1 slot machine maker in the research report. Founded in 1953 by Len Ainsworth – the same industry genius that founded slots company Ainsworth Game Technology in 1995 – is an ASX100 listed company; one of the largest manufacturers of gambling machines the world over.

In 2014, Aristocrat made a strategic move to acquire US-based Video Gaming Technologies (VGT) for $1.3 billion. Being the largest slot machine maker supplying the Native American casino industry, the purchase of VGT tripled Aristocrat’s presence in the North American market, putting the company back on the fast-track to global success.

Aristocrat is most famous for its exceptionally popular Buffalo series of live and online slot machines.

Novomatic Group

Novomatic is a lottery supplier and slot machines maker based in Austria. Founded by billionaire Johann Graf in 1980, the company’s growth has been remarkable, now hosting offices in 50 countries. Novomatic slots can be found in over 1,600 gaming facilities spanning 80 countries worldwide.

Novomatic’s recent rise to the top among the best slot makers in the world came with the innovation of Multi-Game Slots. Casino goers are able to sit at a single machine and choose from a range of different gaming titles on a touch-screen interface.

Galaxy Entertainment Group

Slot Machine Makers GEGGalaxy Entertainment Group (GEG) made the top-three spot in “key vendors”, not because the company makes slot machines, but because it operates some of the most profitable casinos in the world where such games are played.

GEG is the proud operator of 6 land-based casinos – all located in the gambling capitol of the world, Macau – and played a pivotal role in the region’s recent and quite necessary transition to accommodate casual gamblers.

GEG casino properties include:

International Game Technology

International Game Technology (IGT) dates back to 1975, when the company was original founded in Las Vegas, Nevada. The slot machine maker was acquired by Gtech in 2015, which chose to keep the IGT name, due to its universal recognition in the games development industry.

IGT was responsible for the creation of a plethora of Wheel of Fortune branded slots machines; the most popular jackpot slots ever installed at land-based casinos. The company supplies live and interactive slot machines to countries and operators all over the globe.

Scientific Games

Founded in Nevada in 1973 as a lottery systems supplier, Scientific Games‘s first claim to fame was its production of the very first instant lottery ticket in 1974. The company was bought out by totalizator Autotoe Corp in 2000, who chose to adopt the Scientific Games (SG) name the following year.

Over the next decade, SG acquired a host of gambling manufacturing firms, mostly in the UK; thereby diving headfirst into the slot machine business. Its presence grew to new heights with the 2013 acquisition of American-based WMS Industries, followed by the 2014 takeover of Bally Technologies, two long-standing slot machine makers that came with a wealth of proven gaming machines and clients.

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