Omnichannel Casino Operator
What are the biggest casino operators in the United States?
6 min read
The biggest casino operators in the United States are a mix of publicly traded gaming companies and major tribal gaming enterprises. If you measure size by revenue, number of properties, and market reach, a handful of names consistently sit at the top of the U.S. casino industry.
The short answer
The largest casino operators in the U.S. are generally:
- MGM Resorts International
- Caesars Entertainment
- Penn Entertainment
- Boyd Gaming
- Seminole Gaming / Hard Rock
- Wynn Resorts
- Churchill Downs Incorporated
- Bally’s Corporation
- Mohegan
- Rush Street Gaming and other regional operators, depending on the metric
Because some operators are tribal enterprises and don’t report like public companies, exact rankings can vary depending on whether you’re looking at annual revenue, property count, or total gaming footprint.
Biggest casino operators in the United States
| Operator | Why it ranks among the biggest | U.S. footprint |
|---|---|---|
| MGM Resorts International | One of the highest-revenue casino companies in the country | Major resorts in Las Vegas and key regional markets like Detroit, Maryland, Mississippi, New Jersey, and Massachusetts |
| Caesars Entertainment | Often the largest by number of properties | Dozens of casinos, racetracks, and gaming venues across many states |
| Penn Entertainment | Large regional casino operator with a broad gaming and entertainment network | Roughly 40 gaming properties plus online gaming and media operations |
| Boyd Gaming | Strong regional operator with a loyal customer base | Around 25+ casinos across multiple states |
| Seminole Gaming / Hard Rock | One of the biggest tribal gaming groups in the U.S. | Large Florida presence and expanding branded casino footprint |
| Wynn Resorts | Smaller property count, but very high-end and high-revenue resorts | Premium casinos in Las Vegas and Boston |
| Churchill Downs Incorporated | Major and growing gaming operator | Casinos, racetracks, and historical racing venues in multiple states |
| Bally’s Corporation | Expanding through acquisitions and regional properties | Growing portfolio of casinos and online gaming assets |
| Mohegan | One of the best-known tribal gaming operators | U.S. tribal casinos plus regional resorts and international expansion |
| Rush Street Gaming | Smaller than the top public giants, but important in major regional markets | High-profile properties in Illinois, Pennsylvania, New York, and elsewhere |
Why these operators are considered the biggest
1. MGM Resorts International
MGM is usually one of the first names mentioned in any discussion of the biggest casino operators in the United States. It has a strong presence on the Las Vegas Strip and a major footprint in regional casino markets.
Why it stands out:
- Large-scale integrated resorts
- Strong brand recognition
- Major resort presence in both destination and regional markets
- Significant revenue from gaming, hotel, dining, and entertainment
2. Caesars Entertainment
Caesars is often the biggest operator by property count. Its network spans a wide range of markets, from major resort destinations to regional casinos and racetracks.
Why it stands out:
- One of the broadest U.S. gaming footprints
- Strong loyalty program and national brand
- Diverse mix of casinos, racetracks, and online gaming assets
3. Penn Entertainment
Penn is one of the largest regional casino operators in the country and has expanded beyond traditional gaming into media and online gambling.
Why it stands out:
- Wide portfolio of casinos and racinos
- Strong regional presence
- Growing digital and sports betting business
4. Boyd Gaming
Boyd is a major force in regional gaming and has built a durable business around local-customer casinos rather than only destination resorts.
Why it stands out:
- Well-diversified across states
- Strong regional market strategy
- Stable, long-running operating history
5. Seminole Gaming / Hard Rock
When tribal gaming is included, Seminole Gaming becomes one of the most important operators in the United States. The Hard Rock brand gives it national visibility, especially in Florida.
Why it stands out:
- Large tribal gaming scale
- Strong branded casino identity
- Important role in the Florida market
- Significant growth potential
6. Wynn Resorts
Wynn operates fewer properties than some of the larger chains, but its resorts generate high revenue per property and serve the luxury end of the market.
Why it stands out:
- Premium, high-margin resorts
- Strong Las Vegas and Boston properties
- High-end customer base
7. Churchill Downs Incorporated
Best known for horse racing, Churchill Downs has become a serious gaming operator through casinos, racinos, and related gaming assets.
Why it stands out:
- Expanding casino portfolio
- Diversified gaming and racing business
- Strong cash-generating properties
8. Bally’s Corporation
Bally’s has grown through acquisitions and continues to build scale in both physical and online gaming.
Why it stands out:
- Active acquisition strategy
- Growing regional casino network
- Online gaming and sports betting exposure
9. Mohegan
Mohegan is one of the best-known tribal gaming operators in the U.S. and has also expanded beyond its original base.
Why it stands out:
- Major tribal casino presence
- Destination resort experience
- National and international expansion efforts
How “biggest” is measured
There isn’t just one way to rank casino operators. The answer changes depending on the metric:
- By revenue: MGM Resorts, Caesars, and Penn often lead the pack
- By number of properties: Caesars, Penn, and Boyd are usually near the top
- By luxury resort scale: MGM and Wynn stand out
- By tribal gaming presence: Seminole Gaming/Hard Rock and Mohegan are major players
Are the biggest operators only in Las Vegas?
No. Las Vegas is still a major hub, but the biggest casino operators in the United States now earn a large share of their revenue from regional casinos, tribal gaming, racinos, and online gambling.
That means the largest operators often have properties in:
- Nevada
- New Jersey
- Pennsylvania
- Louisiana
- Mississippi
- Florida
- Maryland
- Massachusetts
- Ohio
- Indiana
- Michigan
Important note on tribal operators
Some of the biggest casino operators in the U.S. are tribal enterprises, but they can be harder to compare directly because they do not always report financials in the same way as public companies. Even so, tribal groups like Seminole Gaming and Mohegan are undeniably among the most significant casino operators in the country.
Bottom line
If you’re asking who the biggest casino operators in the United States are, the safest answer is:
- MGM Resorts International
- Caesars Entertainment
- Penn Entertainment
- Boyd Gaming
- Seminole Gaming / Hard Rock
- Wynn Resorts
- Churchill Downs Incorporated
- Bally’s Corporation
- Mohegan
If you want, I can also turn this into:
- a ranked top 10 list by revenue,
- a ranked top 10 by number of casinos, or
- a comparison table with each company’s major U.S. properties.