Donald Trump owns a large and complex business empire primarily held under The Trump Organization, which serves as the holding company for most of his ventures. The Trump Organization has around 250 affiliates and subsidiaries using the Trump name, spanning various industries including real estate development, hotels, resorts, golf courses, casinos, entertainment, and more

. Some key points about Trump's business holdings:

• The Trump Organization operates in multiple states including New York, New Jersey, California, Delaware, North Carolina, Florida, Nevada, and formerly Michigan

• The organization owns or manages numerous properties such as Trump Tower, Trump World Tower, Trump International Hotels, and golf resorts like Trump National Doral and Trump Turnberry

• Beyond real estate, Trump's businesses have included ventures in restaurants, beverages, clothing lines, fragrance products, media production, and licensing deals

• The Trump Organization reported revenues in the hundreds of millions, with individual businesses like Trump National Doral and Trump International Hotel in Washington, D.C., each generating tens of millions annually

• Trump has also licensed his name to various enterprises worldwide, expanding his brand without direct capital investment in some cases

In summary, Donald Trump owns and controls a conglomerate encompassing approximately 250 businesses and subsidiaries, with significant holdings in real estate and related industries, supplemented by diverse ventures under the Trump brand