Slot gaming today is also certainly a very far cry from the very first mechanical slot machine that was invented 120 years ago in San Francisco by Charles Fey, an electrical engineer. It's even a huge development from the very first slots games that first started to appear online in the 1990s – and in five years' time today's games will. Slot machine software, just as with all software, needs to be tested well, and often. Testers use libraries that are part of the game development kit (GDK). The math engine that randomizes the screen display is the most important part of the GDK. Development of Game Software for Slot Machines: SolGames Company is a creator of gambling software and systems for equipment of casinos and gambling halls. Original game concepts, elaborated mathematic models, excellent graphics and animation (in any style possible) for video slots, video pokers and other games are offered to our clients in consideration with their special demands.
Welcome, dear visitors of our site! As you have already noticed, we have a replenishment in the number of graphic ideas used to develop slot machines and if you could have watched our creativity before, now you can see our new works. One of these works is the creation of graphic materials and illustrations for the game slot machine 'Okie Dogie'. The history of slot machines is a story of pioneers who altered the way people have gambled over the past century and a bit. You can still see evidence of the early slot machines in new video slots made today. Let's take a trip down memory lane and explore the fast-changing history of the most popular gambling game in the world.
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.
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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:
Slot Machine Software Development Process
- 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
Slot Machine Software Developer
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
- 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:
Slot Machine Software Development Process
- 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
Slot Machine Software Developer
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.)
Slot machines are one of the most popular parts of a casino. Whether you're a professional or a gambling newbie, slots are the perfect opportunity to try your luck, promising fast-paced thrills with no skill involved. But have you ever wondered how these well-loved machines work?
The roaring success of online slots is a testament to how much we enjoy the slot machines in our bars and casinos. The technology may have finally made the shift into the digital world, however, this is simply the latest development in the long history of slot machines.
If you want to find out more, read on. In this article, we'll be explaining how slot machines actually work – and why these games of chance are even harder than you thought!
How many parts does a slot machine have?
In general, traditional slot machines are made up of six parts. When you insert your money, these parts work together to activate the mechanism:
- The coin slot. Modern slot machines also usually have an in-built card machine.
- The lever. On early machines, pulling the lever would physically trigger the reels to spin, but this is now motorized.
- The reels. Slot machines contain three reels, each one notched so that it can spin around a metal shaft (and eventually stop at the desired position).
- The brakes. The braking mechanism causes the reels to stop one at a time.
- Payout trigger. These are a series of metal pins that can ‘read' the depth of the notches on the reels in order to work out the required payout amount.
- Winning line. This is the combination of symbols that you'll need to get to win the jackpot.
What happens when you pull the lever?
When you insert your money, the lever is unlocked so you can start to play. Once you pull the lever, a motor automatically causes the reels to spin (on some old-fashioned machines, the lever itself spins the reels).
A braking system brings each reel to a stop, one at a time. At this point, the metal payout trigger pins are used to detect the depth of the notches on each reel. This means the machine is able to identify the reels which the player has spun, triggering the correct payout. (The notch that signifies the jackpot is often a lot deeper than the other notches).
What are computerized slot machines?
Today, most new slot machines use a computerized system, rather than the motorized mechanism which drove more traditional machines.
These computerized slots rely on a random number generator, which means that each spin has a truly equal chance of hitting the jackpot. As soon as the machine is switched on, this generator is constantly cycling through a wide range of numbers. When you pull the lever, it stops suddenly and ‘remembers' the last three numbers it cycled through.
These numbers will determine the position of the reels, with each number divided by a set amount in order to reach a value which corresponds to one of the notches on the reel.
This technology means your chance of hitting the jackpot is staggeringly small – but if games of chance are how you get your thrills, this should only add to the fun!
Have any thoughts on this? Let us know down below in the comments or carry the discussion over to our Twitter or Facebook.
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