Playtech originally started as a small game studio in 1999 and has since gone from strength to strength. Today the game company operates in over 20 countries and has acquired other software providers (QuickSpin and Ash Gaming). While Playtech's most popular titles are slots, it also creates blackjack, live dealer, poker, and roulette games. Playtech even has its own bingo sites.

With more than 40 years of experience creating land-based and online casino games, Novomatic is one of the most recognizable names in gambling. The game company specializes in slot titles, with award-winning games like Book of Ra in its portfolio. Novomatic operates in over 40 countries, with a particularly loyal slots fanbase in Europe. On average, Novomatic generates €5 billion a year in revenue, making it one of the most successful software game providers.

Blueprint started out in the early 2000s as a land-based casino provider but soon after pivoted to online gambling. The software provider focuses exclusively on slot games, from classic three-reel fruit machines to complex progressive jackpot slots. Players may recognize some of Blueprint's famous titles: Eye of Horus, Rick and Morty, and Deal or No Deal Megaways.

This Australian company is one of the biggest slot game developers in the world. Responsible for superstar games like the Buffalo series, Aristocrat's titles have garnered legions of fans for their big jackpots and charming gameplay. Currently, the software provider is licensed in more than 240 jurisdictions for online gambling. Aristocrat titles are so popular players will easily find them in the biggest online casinos, including Royal Panda and 888casino.

International Gaming Technology, or IGT, has been in the gaming industry for many years. Formed in 1971, the company started out supplying gaming machines to land based venues. They also developed tools for player management, before diversifying further into online gaming. This is a huge company that supplies many sites with software.

Betsoft produces some of the most advanced casino games found on the internet today. They supply a number of operators and they’re best known for the incredible 3D graphics and animation that’s commonly featured in their games. Their slot games are truly ground-breaking and they develop a range of video poker and table games as well.

If you’ve played many online slots games, then there’s a very good chance you’ve played at least one developed by NextGen Gaming. Formed in 1999, this company expanded at a fast pace and was soon supplying several online casinos. They have developed hundreds of different games, winning several industry awards along the way.

This company began life owning and operating an online casino, way back in the very early days of online gambling. Microgaming consequently moved into supplying other casinos with software, including an impressive suite of games. They have developed a huge number of games over the years and continue to regularly produce innovative and unique games to this day.

Stars Group (formerly Amaya Gaming) is one of the leading gaming software designers globally. They own well-known brand names such as Pokerstars, Pokerstars Casino, and BetStars. Their main asset is Pokerstars, the biggest poker room on the internet. They operate in 17 jurisdictions and are one of the most heavily licensed gaming companies

Evolution Gaming is a leading specialist in the provision of live dealer casino games. The company was only founded a few years ago, but it quickly won some big contracts with major operators. Demand for their services was soon on the rise, and they now supply their live games to a wide range of gambling sites. They were one of the first to offer mobile live games.

Net Entertainment, often referred to as NetEnt, has a real success story. The company was set up in 1996 by a major land based casino operator in Scandinavia and has steadily been growing ever since. Their wide range of games, which is made up predominantly of slots, is now available at many of the biggest and best known gambling sites around the world.

Real Time Gaming, usually known as just RTG, is a company that got in on the online gambling boom very early. They were formed in 1998, in the American state of Georgia, before moving their base to Costa Rica. RTG has developed a large number of games and their range of slots is particularly popular. Plus, they’re actually one of the biggest companies to supply US facing online casinos.