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Introduction to Who Builds Slot Machines
Who builds slot machines throughout the world? For such a popular activity, there is a relatively short list of slot machine manufacturers in the world:
There is a real demand for slot technicians in Las Vegas. If you enjoy working in a fast paced environment, and repairing and maintaining electronics, there might be the place for your skills. Slot technician training Las Vegas style, will consist of learning how to inspect and replace gears.
- Multimedia Games Inc. (a subsidiary of EVERI Inc.)
Of these companies listed, Class III gaming is principally supported in North America by Scientific Games Corp. and IGT. They are both global leaders in the gaming industry. Mergers and acquisitions are the name of the game amongst slot machine manufacturers. It is currently a highly dynamic corporate environment.
In 2014, for instance, Bally Technologies was acquired by Scientific Games. This acquisition is significant as Bally was the driving force for inventing most of the modern features of slot machines enjoyed by so many.
These gambling companies provide products other than physical slot machines. They often also supply casino-management systems. These software packages help casinos to “run” their operations from day-to-day and even in real-time.
This casino operating system software is crucial to casinos as a way to reduce cost and, I’ve found, a significant advantage play for slots enthusiasts. I’ll provide more on this topic at another time.
This operating or enterprise software business is as highly competitive as slot machine manufacturing. Factors that determine how successful providers are in selling their systems include:
- product features and functionality
- accuracy
- reliability
- service level
- pricing
Competition is intense because of the relatively low number of providers and the limited number of casinos and jurisdictions in which they operate. Providers are Scientific Gaming, Aristocrat, IGT, Konami, and several smaller companies in international gaming jurisdictions.
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The Gaming Industry
Within the global gaming industry, companies building slot machines is trending towards consolidation amongst gaming equipment and technology companies. The gist of why is to increase scale and therefore operating efficiencies. The hoped-for result is accelerated innovation and product development resulting in broader service and product offering.
Several acquisitions of slot machine and other gaming equipment manufacturers have occurred recently, including the purchase of Bally Technologies by Scientific Gaming Corp. and the acquisition of Multimedia Games by Global Cash Access Holdings Inc.
Following a wave of supplier diversification in the gaming industry, where new providers have been gaining in market share, the industry is experiencing significant consolidation.
This convergence is attributable primarily to a slowdown in North American traditional slot machine revenues as regional gaming revenue headwinds, such as declines in same-store sales, impact the demand for slot machines.
Therefore, the machine gaming sector is evolving from just the sale and leasing of slot machines to include:
- multi-channel systems and table games equipment for traditional land-based casino
- lottery technology
- real-money interactive gaming
- online and mobile social casino gaming
A significant threat for the entire gaming and betting industry arises from illegal activities, which may drain significant betting volumes from the regulated gaming industry.
The loss of present players from legal casino operators has a material adverse effect on gaming industry operations, business, financial condition, and prospects.
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Scientific Games Corporation (NASDAQ: SGMS)
A global leader in the gaming industry, Scientific Games Corporation (SGC) is the current owner of:
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- Bally Technologies Inc. (one of the original slot machine companies)
- Spielo
- WMS Gaming Inc.
- Shuffle Master
- Barcrest
SGC’s company profile states that they provide:
- lottery games
- electronic gaming machines
- server-based lottery and gaming systems
- sports betting technology
- loyalty and rewards programs
- online social, mobile and interactive content and services
In 2013, Scientific Games Corporation purchased WGS Industries, Inc. Bally Technologies, Inc. was acquired by SGC on November 21, 2014, for $5.1 billion.
The products of SGC are installed in 450 jurisdictions worldwide, including all the major regulated gaming jurisdictions in the U.S. and 146 international gaming jurisdictions. They have 975,000 units installed in North America.
Within the gaming supply segment, SGC sees the competition on several fronts. Primarily, being a global leader in slot machines has resulted in their product lines competing with each other for space on the casino floor.
International Game Technology PLC (NYSE: IGT)
International Game Technology (IGT) PLC is a global leader in gaming that, according to its website, leverages a wealth of
- premium content
- substantial investment in innovation
- in-depth customer intelligence
- operational expertise
- leading-edge technology
It has not only established local presence and relationships with governments and regulators in more than 100 countries around the world but also approximately 13,000 employees. For U.S. federal tax purposes, under current law, it is treated as a foreign corporation.
In 2014 and 2015, International Game Technology PLC experienced multiple corporate mergers and acquisitions involving GTECH, Holdco, IGT, and Georgia Worldwide Corp. which has been and is a complex, costly, and time-consuming process. The integration process is expected to be completed by the
International Game Technology PLC’s online social gaming casino offering, DoubleDown Casino, is mainly conducted through Facebook and Apple iOS platform, a relationship governed by Facebook and Apple’s standard terms and conditions for application developers as well as privacy policies, both of which are occasionally modified, rather than by contract.
International Game Technology PLC currently does business in approximately 100 countries worldwide. At the end of 2014, IGT PLC had contracts with 717 casino operators in the Americas segment, with 249 in Latin America and 468 in North America.
Summary for Who Builds Slot Machines
Slot machine manufacturing is principally supported in North America by Scientific Games Corp. and International Game Technology PLC, both global leaders in the gaming industry.
The products of Scientific Games are installed in 450 jurisdictions worldwide, including all the major regulated gaming jurisdictions in the U.S. and 146 international gaming jurisdictions. They have 975,000 units installed in North America.
International Game Technology PLC currently does business in approximately 100 countries worldwide. At the end of 2014, IGT PLC had contracts with 717 casino operators in the Americas segment, with 249 in Latin America and 468 in North America.
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By Jon H. Friedl, Jr. Ph.D., President
Jon Friedl, LLC
THE REEL DEAL
by Frank Legato
Class II: Is It Fair?
Electronic bingo games are becoming more sophisticated and more like traditional slot games.
When the Indian Gaming Regulatory Act of 1988 (IGRA) established the various classes of gaming permissible by Native American tribes on reservation lands, the law designated bingo and similar games under the heading of “Class II.” The classification was established to allow tribes to hold bingo games on their reservations, but it stipulated that “electronic aids” could be used to simulate bingo.
That stipulation led to electronic versions of the game of bingo, which eventually took the form of Class II-style slot machines, known as Bingo Games. The Class II Bingo Games would essentially be a game of bingo, with prizes drawn from the overall money wagered. Those prizes, however, would be displayed as reel results on the slot machines.

In recent years, those Class II bingo machines have become more and more like their traditional, or “Class III,” slot cousins in Las Vegas. The Seminole Hard Rock properties in Florida represent the state of the art in Class II sophistication. The central computer system, developed by a team headed by former IGT systems chief Lyle Bell (now the CIO for the Seminole Hard Rocks), was created with a singular purpose—to provide a player’s-club experience to simulate the Class III slot experience on a Class II floor. Meanwhile, Casino Operations Senior VP, Charles Lombardo—formerly slot operations VP at Caesars Palace—worked with the major slot manufacturers, who refined Class II technology to provide games that look and play like the traditional games.
Though they are technically electronic bingo games, the Hard Rock’s slots mimic the traditional Las Vegas-style games in every way. Other than the LCD screen that shows the bingo patterns appearing with every spin, it is hard to tell the difference.
How do they make bingo games behave like slot machines? And how are the payback percentages determined? The answer to both can be summed up in one word: mathematics. The Class II electronic bingo games at the Hard Rock are programmed with mathematical calculations to mimic Class III games as closely as possible while remaining within the definition of Class II bingo that is contained in IGRA.
Under IGRA, a Class II game must have a draw of bingo balls, and must result in what is called a “game-ending pattern.” That is a pattern of numbers—two, three, four in a row; diagonal, vertical, four corners of the bingo card, etc.—that ends the game with a winning result.
According to Lombardo, this occurs continuously. “We have a 20-millisecond window, and anyone (in the casino) pushing the Play button during that window is put in the game for that common ball draw,” he explains. “It must be at least two players, but the maximum is unlimited. If it is a minimum of two, one of them gets a bingo—a winning pattern.” He says every ball draw results in at least one bingo.
How do the payback percentages work? One of two ways, says Lombardo. In one style of game, the calculations relate to the stack of possible outcomes loaded into the central computer. In this style of game, there is always a 50-percent hit frequency—one of every two spins on average results in a bingo, with a prize determined from a finite pool of outcomes loaded into the computer. When the bingo game is over, the computer selects a prize from the top of an electronic “stack” and feeds it to one of the games with a winning outcome. To the player, it looks, for instance, like a mixed-bar win for $5. That just means a $5 prize has been awarded from the results of the bingo game.
The overall payback percentage in this case is governed by how many results equal to each prize amount are included in the finite stack of prizes. Just like the universe of numbers from which the random number generator in a regular slot selects reel outcomes, the payback percentage here is determined by the universe of prizes available for each winning result. The hit frequency is always 50 percent, but the payback percentage is determined by how many $2 prizes, how many 75-cent prizes, how many $1,000 prizes, and so on, are loaded into the program.
In a multiline video bingo game, this system results in a game virtually indistinguishable from that nine-line game in the Vegas casino that has a 50-percent hit frequency. According to Lombardo, though, this method is also used on some of the traditional single-line, three-reel slots. In this case, the 50-percent frequency still stands, but not every win is a traditional reel combination. Because traditional games like Blazing 7s or Red, White & Blue generally have hit frequencies around 14 percent for the seven or eight possible winning combinations in the pay schedule, a 50-percent frequency would be impossible and still have the game make money for the casino.
To remedy this, Lombardo explains, “we came up with a bonus feature.” Fourteen-percent of results in the pool will be actual reel combinations, and the other 36 percent of the winners will yield a bonus symbol on the reels that will accumulate. When you accumulate 25 of those symbols, you win one bonus credit. Therefore, you still have the 50-percent frequency, but your frequency of reel wins is similar to what it is in the traditional Class III versions of those games.
In the other style of game, the odds of each winning bingo pattern is matched to the odds of each paying combination in the slot game. “We figured out the odds of hitting certain patterns on the bingo card,” Lombardo explains, “and we take those bingo patterns and plug them right into the payout scheme to replicate any Class III game.” Drawing from millions of possible patterns on a bingo card, programmers can match the odds of landing any given combination of symbols on a slot machine. In this way, each chosen bingo pattern can trigger a certain payout combination. Hit frequencies and percentages in this case will match a traditional slot exactly.
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But what are those payback percentages, and how do we know they are fair? As you may know, the Seminole tribe is a sovereign nation, and its casinos are not subject to state regulation or public reporting of payback percentages. How do we know we’re getting a fair shake?
We know we’re getting a fair shake because tribal casinos must compete with all other casino choices, says Lombardo. “We are competitive with all Class III markets,” he says. “We’re not doing anything differently (with percentages) than Atlantic City, Las Vegas or Mississippi. We are competitive with any casino in the country.” He adds that he takes average bets in lower denominations into account when determining the payback percentage he wants to offer. “If I am requiring players to cover the lines on a 20-line nickel game, that’s a dollar bet,” says Lombardo. “I take that into consideration when I figure out the payback percentage I offer.”
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Lombardo adds that tribal casinos have obligations to both the players and the slot manufacturers to keep the games fair. “Over the long hall, any player is going to know if you screw with percentages; they’ll know the difference,” he says. “And, a manufacturer is not going to give us their title if we are going to misrepresent that title (with low payback). We don’t want to kill a title.”
It is that respect for the player—and obligation to represent a manufacturer’s title fairly—that should make you approach the slot experience at the Hard Rock or other large Class II tribal casinos with expectations similar to those you have when playing slots in most major jurisdictions. In other words, you are likely to get a fair shake. They know that if you don’t, you will go elsewhere.
TIP OF THE MONTH
Class II Video Poker
We have noted before that video poker in a Class II tribal casino does not work in the same manner as video poker in a traditional casino. While this is true, it does not mean that it is unfair, or that you can’t win.
The result of any Class II video poker hand is predetermined by the result of the ball draw in the bingo game on the little screen. In some jurisdictions, you will be required to touch the screen to daub the bingo card and claim your prize.
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Those results are determined by winning patterns on the bingo card. Using one of the two methods described above, a winning pattern will either trigger one of a stack of predetermined prizes or a corresponding video poker hand, according to the odds. The odds are calculated to be similar to the odds of a standard video poker game. You won’t find the player’s-advantage paytables in Class II, but the return represented by the pay schedule you do see will be similar to the return of that game in a traditional casino.
The real difference lies in the importance of perfect strategy. A Class II video poker game is actually better for the strategy novice, because the game will often correct your bonehead moves. If the bingo result determines you win the a certain prize, you will get that prize even if you make the wrong choice, through a special feature on the game.
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For instance, on the IGT version of Class II video poker, let’s say your winning bingo pattern translates to the prize for four-of-a-kind, and you are dealt 10-c J-c Q-c J-h J-s. Even if you screw up and decide to go for the royal, the game will not let you. A “Genie” will appear on the screen and change your hand to four Jacks—for the quad prize that corresponds to the bingo pattern you got.
It’s better for the novice because it shows you the optimal strategy by changing your choice to match the bingo win. Other than that, the Hard Rock’s Lombardo says the games work like the standard versions of video poker—again, because the Class II casino will not risk “killing a manufacturer’s title.” “A lot of players may not know the difference between Class II and Class III,” he says. “That’s why we replicate the video poker paytables as closely as possible. It would be a killer for us to do anything else.”