I’m planning to include some reviews of various gambling machines here soon, so I thought I’d start with a look at some of the slot machine manufacturers and their products. There was a time, not long ago, when such a list would be short. But with the advent of internet casinos, the list of slot machine companies grows longer every day.
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Of course, depending on where you live, you might be searching for such information using a phrase like “fruit machine suppliers” or “gaming companies.” Such a list should (and does) include old slot machine brands like IGT (International Game Technologies) and internet casino software vendors like Microgaming and Playtech.
As I create more posts about related subjects, I’ll update this page with links to manufacturer-specific lists of games and reviews of their overall offerings.
I know that a lot of sites in this space try to offer as complete a resource as possible, but please remember that I’m just one guy with a blog. I don’t have an army of freelance writers working for me, and even if I did, there are so many slot machine games from so many different providers that it would be almost impossible to keep up with them all.
But if I’ve left out your favorite slot machine manufacturer, let me know in the comments, and I’ll add it to the list.
Slot Machine Manufacturers List – Updated 2020
And here’s the list of slot machine manufacturers:
1. Ainsworth Game Technology
Ainsworth Game Technology is one of the oldest companies on my list of slot machine manufacturers. They’ve been in business for 20+ years. Ainsworth is an Australian company, and if you know anything about gambling in Australia, you know how popular slots are there. They call them “pokies,” though, which is an abbreviation for “poker machines.”
And some of Ainsworth’s most recent game additions include:
- Action Dragons
- Big Hit Bonanza
- Pac-Man Wild Edition
2. Amatic Industries
Amatic Industries has been in business for over a quarter of a century now. Besides slot machines, they make video lottery terminals and video roulette games. They have a huge selection of slot machine brands in their stable, too, including some of the following:
- Games Bond (Yes, this is a “James Bond” knockoff.)
- GrandX (A “Wheel of Fortune” lookalike.)
- Vampires (A simple enough theme and title, no?)
3. Amaya Gaming
Amaya Gaming is defunct now. It’s part of The Stars Group, the company which owns PokerStars. I include it here under its original name because I think some online users still look for games from Amaya Gaming. They offer lots of cute games, including:
- Barn Yard Boogie
- Jenga
- Street Fighter II
4. Aristocrat Gaming Technology
Aristocrat Gaming Technology is another Australian “poker machine” vendor. They’e recently gotten their hands on some major intellectual property, too, and they offer games like:
- Batman Classic TV Series
- The Big Bang Theory
- Britney
- Game of Thrones
- Sons of Anarchy
- The Walking Dead
5. Ash Gaming
Ash Gaming used to be a big deal, now they’re a part of Playtech. As part of that group, they have extensive licensed properties to create games about. Their most famous, though, is probably Who Wants to Be a Millionaire.
6. Bally Technologies
Bally Technologies is now a subsidiary of SG Gaming (Scientific Games). The company has been around forever. Not only do they make slot machines, but they used to be one of the biggest pinball machine companies in the world, too. Some of their most well-known brands include:
- James Bond
- Monopoly
- Willy Wonka
7. Barcrest Gaming
Barcrest Gaming–like Bally Technologies– is also now a subsidiary of SG Gaming (Scientific Games). If you’re a real slot machine aficionado, you might recognize the names of some of their games:
- Deja Vu Diamonds
- Flippin’ Out
- Psycho Cash Beast
8. Betsoft Gaming
Betsoft Gaming specializes in online gambling games, especially mobile friendly slots and 3D games. Here are some of their titles:
- Dragon Kings
- The Golden Owl of Athena
- Ogre Empire (which has a suspicious resemblance to the movie Shrek)
9. Blueprint Gaming
Blueprint Gaming is based in the United Kingdom. Most of their fruit machines can be found on casino floors there or in Germany and Italy. Here’s a sample of their titles:
- Fairy Fortunes
- Slots o’ Gold
- Wild Antics
10. Cadillac Jack
Cadillac Jack was a subsidiary of Amaya Gaming, which is now wholly owned by The Stars Group.
11. EGT Interactive (Euro Games Technology)
EGT Interactive specializes in video slots. You can find a lot of their games at various sports book sites that also offer casino games. They offer over 150 different games, including titles like:
- 40 Ultra Respin
- Crazy Bugs II
- More Like a Diamond
12. Endemol Shine Gaming
Endemol Shine Gaming specializes in both online and brick and mortar gambling games. Some of their best-known properties belong to the licensed television game show genre. Some examples include:
- Deal or No Deal
- MasterChef
- Million Pound Drop
13. Fremantle Media
Fremantle Media is one of the more unusual listings on this page, because they don’t exactly design or manufacture slot machine games. They own several large television brands, which they aggressively promote through multiple channels–including slot machines. If you’re playing one of these slots, Fremantle Media had a lot to do with it:
- American Idol
- Blockbusters
- The X Factor
14. The Gamesys Group
The Gamesys Group does slots and bingo games. Some of the better known brands in their stable include:
- The Godfather
- Guardians of Fire & Ice
- Secrets of the Phoenix
15. Heiwa Corporation
Heiwa Corporation is a publicly-traded Japanese corporation that specializes in pachinko and pachislo machine manufacture.
16. High 5 Games
High 5 Games creates both internet-based and land-based slot machine games, some of which are popular. They use HTML 5 for their online slot machines. Their most famous games include:
- Cats
- Golden Goddess
- Photographing Fairies
17. IGT (International Game Technology)
IGT is far and away the largest slot machine company in the world. They’re everywhere. The most popular gambling machines in the casino are the product of International Game Technology. Just a few of their big names include:
- Family Guy
- Jeopardy
- Siberian Storm
- Wheel of Fortune
18. Konami Gaming
Konami Gaming is the maker of the following slot machines:
- Dungeons and Dragons
- Flaming Red Diamonds
- Year of Best Wishes
19. Mazooma Interactive Games
Mazooma Interactive Games is a UK game company that specializes in online games. They’re now a subsidiary of Novomatic.
20. Microgaming
Microgaming was the first large online casino software provider. They’re best-known for the wide variety of their online progressive jackpots. Some of their most famous brands include:
- Battlestar Galactica
- Halloween
- Playboy
- Terminator 2
I’ve written about Microgaming before, here.
21. NetEnt
NetEnt is another publicly-traded company that specializes in online games. They’re responsible for, among other things, the Jumanji slot machine game.
22. NewGin Co. Ltd.
NewGin Co. Ltd. is another Japanese manufacturer of pachinko and pachislo machines.
23. NextGen Gaming
NextGen Gaming serves both online and land-based casinos. They offer some really cool titles, including:
- King Kong Fury
- Samurai Split
- Wonder Hounds
24. Novomatic Gaming
The name “Novomatic” always reminds me of the Steve Goodman song, Vegematic.
But that song has nothing to do with the company, though. Novomatic Gaming is probably the biggest European slot machine maker there is, in fact.
Some of their games you’ve probably heard of include:
- From Dusk Til Dawn
- Stories of Infinity
- Treasure of Tut
25. Ortiz Gaming
Ortiz Gaming specializes in Class II and Class III slot machines, especially when it comes to bingo technology. And their games are OVERTLY bingo-based, too:
- Allstar Bingo
- Rodeo Bingo
- Multimania
26. Playtech
Playtech is another online game designer and creator, and, like Microgaming, they’re publicly traded. They also don’t allow their licensees to accept real money players from the United States. Some of their better known games include:
- Ace Ventura
- American Dad
- Batman Begins
- Grease
- Justice League
- Pink Panther
- Rocky
27. Realtime Gaming
Realtime Gaming (RTG) is probably the biggest online casino game vendor that still serves U.S. audiences — at least the audiences that don’t live in states with legal, regulated online casinos. (There are 47 states like that.) As a result, you’ve probably never heard of most of their games unless you’re a devoted internet gambler.
My favorite of their games is It’s Good to Be Bad, but I’m old school.
28. SG Gaming (Scientific Games)
Scientific Games is headquartered in Las Vegas. They own Bally now, and they own Shuffle Master. And they also own WMS Gaming. Their most well-known game is probably Monopoly slot machines.
29. Universal Entertainment Corporation
Universal Entertainment Corporation is another pachinko and pachislo manufacturer.
30. VGT (Video Gaming Technologies) – One of My Favorite Slot Machine Manufacturers
VGT is one of the biggest names in the Oklahoma gambling market, and they specialize in bingo-based slot machine games.
31. WMS Gaming
WMS Gaming is now a subsidiary of Scientific Games. So see that entry above.
32. Apollo Games (just added!)
Apollo Games has a full profile on our site. Click the link for full details.
The Final Word about Slot Machine Manufacturers
The brand names in the slot machine manufacturers category are many, but, of course, IGT (International Game Technology) towers above the rest like Walmart towers over other retail establishments. The list above gets longer when you account for the companies making online slot machine games, too.
If you have any comments about the games available from these corporations, I’d enjoy hearing them. I’m human and make mistakes, so if you leave a comment pointing one out, I’ll update this post with corrections (and probably even give you credit.)
No other segment of the gaming industry has benefited more from the technology revolution than the slot machine. Once considered the ugly stepdaughter placed on the gaming floor to appease the spouses of table players, the slot machine has been transformed into the fairy princess of the gaming world. With her, she has brought a dowry of riches no one would have imagined for the casino and a few lucky players as well. Over twenty years ago the slot machine accounted for 30 percent of the casinos' profits. Today it accounts for about 70 percent. Computer technology and the ability to play with little to no gambling knowledge makes it possible to offer life-changing jackpots big enough to turn a pauper into a king.
However, the fact that it doesn't take much gambling knowledge to play means that most people don't understand the inner working of the slots -- which makes it easy to explain a loss or a win with some false logic. Like any other 'wives tales' these are passed from person to person until they become gospel. Most of these myths and misconceptions are harmless but they can add to your frustration and take away some of the enjoyment of your casino visit. Let’s take a look at a few of the most popular myths and the truth behind them.
Myth #1
Someone hit a jackpot on the machine you just left -- so you would have won that jackpot if you kept playing.
This is probably one of the most common notions about slot machine gambling -- but it's patently false. The slot machines have a computer chip inside that runs the Random Number Generator (RNG). The RNG is continuously cycling through numbers even when the machine is not being played. These numbers correspond to the stops on the wheel that display the winning or losing symbols that you see when the reels stop. When you hit the spin button or pull the handle, the RNG picks the combination at that given microsecond. If you had stayed at the machine, it is highly unlikely that you would have stopped the RNG at the exact nano-second to display that same combination of numbers. In the time it takes to talk with a friend or sip your drink the RNG has cycled through thousands of combinations.
Myth #2
You can tell the odds of winning by counting the symbols on each wheel.
Actually, you can't. The RNG generates a number for each spin. There can be hundreds of virtual stops on each wheel even though you only see a few symbols. For example, you may see 20 symbols on each wheel of a three-reel machine. You figure 20 x 20 x 20 = 8,000 combinations and your chance of hitting the jackpot is 1 in 8000. In reality, the computer chip may program 256 stops for each wheel which makes the odds 256 x 256 x 256 =16,777,216 combinations. Being able to generate millions of combinations is the reason that slots can offer large paybacks.
Myth #3
Casinos can loosen or tighten the slot machines with the flip of a switch.
In actuality, the slot machines have a computer chip in them that determines the payback percentage. These are preset at the factory. In order for a casino to change the payback, they would have to change the chip. In most jurisdictions, there is paperwork that has to be filled and submitted to the Casino Control Commission for each machine if the chip is changed. It's time-consuming and the chips are very expensive. For this reason, it is more economical to decide on the payback percentages before purchasing the machines and having the factory ship them with the proper chip.
Myth #4
A machine that has not been paying out is due to hit.
There is no way to determine if a machine is due to hit. Each spin is a random occurrence and has no bearing on what has happened previously. Don't ever play more than you should because of this misconception -- it will be devastating to your bankroll if you do.
Myth #5
The temperature of the coins played will affect the way a machine pays.
Unfortunately, the machine is not affected by temperature. It doesn't matter if you play hot, cold, old or new coins. The coin slot is a mechanical device and has no feeling.
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Myth #6
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If you use your slot club card the machine will pay back less.
This may well be the most damaging myth of them all. There is no link between the card reader and the RNG, but by not using your player's card you are denying yourself valuable comps and sometimes cash back from the casino.