What companies are headquartered on Long Island?

Long Island is home to the headquarters of numerous nationally and internationally recognized companies, spanning healthcare, technology, manufacturing, finance, publishing, retail, and professional services. Many of these organizations have helped shape the region’s economy while providing thousands of jobs across Nassau County and Suffolk County.
In Short
Some of the best-known companies headquartered on Long Island include Canon U.S.A., Henry Schein, MSC Industrial Supply, Publishers Clearing House, and Northwell Health. These organizations represent industries ranging from healthcare and technology to office equipment, industrial supplies, publishing, and financial services.
What Companies Are Headquartered on Long Island?
Long Island has developed into one of the Northeast’s leading business centers, with many major corporations choosing the region for their headquarters. Its location within the New York metropolitan area, highly educated workforce, and excellent transportation infrastructure have helped attract businesses across a wide range of industries.
Healthcare organizations, technology firms, manufacturers, distributors, financial companies, and professional service providers all maintain headquarters on Long Island. Companies based here serve customers throughout the United States and around the world while contributing significantly to the island’s economy and employment base.
Many corporate headquarters are concentrated in western Suffolk County and central Nassau County, particularly in communities such as Melville, Jericho, and surrounding business districts. These office corridors have become home to numerous Fortune 1000 companies, regional headquarters, and growing privately owned businesses.
In addition to large corporations, Long Island supports thousands of small businesses and entrepreneurial startups operating in healthcare, construction, hospitality, retail, technology, manufacturing, tourism, and professional services, making the island one of New York’s most diverse business environments.
Quick Facts
| Company | Industry |
|---|---|
| Canon U.S.A. | Imaging, cameras, printers, and office technology. |
| Henry Schein | Healthcare products and medical distribution. |
| MSC Industrial Supply | Industrial equipment and manufacturing supplies. |
| Publishers Clearing House | Media, digital marketing, and consumer promotions. |
| Northwell Health | Healthcare system and medical services. |
From globally recognized corporations to innovative regional businesses, Long Island continues to serve as headquarters for organizations that influence industries across the United States and beyond. Combined with its skilled workforce, strategic location, and diverse economy, the island remains an important center for business, innovation, and corporate leadership.