Long Island is home to a diverse array of companies across various industries. This guide highlights some of the leading organizations, including major employers like 1-800-FLOWERS.COM and Broadridge Financial Solutions, which provide thousands of jobs. Key sectors represented include technology, healthcare, financial services, and non-profits. Each company listed is a significant contributor to the local economy, offering opportunities for employment and career growth. Explore this comprehensive list to discover prominent companies that shape Long Island’s economic landscape.
| Company | Industry | Estimated # of Employees |
|---|---|---|
| 1-800-FLOWERS.COM Inc. | Internet & Direct Marketing Retail | 4200 |
| A+ Technology and Security Solutions Inc. | Information Technology | 126 |
| Above All Store Fronts, Inc. | Construction | 200 |
| Adults and Children with Learning & Developmental Disabilities, Inc. | Non-profit | 1100 |
| Air Industries Group Inc. | Aerospace & Defense | 350 |
| American Portfolios Financial Services Inc. | Financial Services & Insurance | 117 |
| Andrea Electronics Corp. | Electronic Manufacturing Services | 9 |
| Appliance World | Retail | 62 |
| Applied DNA Sciences Inc. | Electronic Equipment & Instruments | 51 |
| Arbor Realty Trust Inc. | Mortgage REITs | 532 |
| Association for Mental Health and Wellness | Non-profit | 198 |
| Aurora Contractors, Inc. | Construction | 53 |
| Austin Williams | Advertising & Marketing | 50 |
| BBS Architects, Landscape Architects, & Engineers, P.C. | Services | 63 |
| BioRestorative Therapies Inc. | Biotechnology | 9 |
| BioSpecifics Technologies Corp. | Biotechnology | 7 |
| Blue Ocean Wealth Solutions, a MassMutual Firm | Financial Services & Insurance | 140 |
| BNB Bank | Financial Services & Insurance | 505 |
| Bridge Bancorp Inc. | Regional Banks | 496 |
| Broadridge Financial Solutions Inc. | Data Processing & Outsourced Services | 12000 |
| BRT Apartments Corp. | Residential REITs | 13 |
| Cedar Realty Trust Inc. | Retail REITs | 75 |
| Chembio Diagnostics Inc. | Health Care Supplies | 648 |
| CN Guidance & Counseling Services | Healthcare | 277 |
| Cold Spring Harbor Laboratory | Non-profit | 943 |
| College H.U.N.K.S. Hauling Junk and Moving | Services | 99 |
| Comtech Telecommunications Corp. | Communications Equipment | |
| CPI Aerostructures Inc. | Aerospace & Defense | |
| CVD Equipment Corp. | Semiconductor Equipment | |
| Darby Dental Supply, LLC | Services | 174 |
| DUKAL Corporation | Manufacturing | 65 |
| Empire Bancorp Inc. | Regional Banks | |
| Engel Burman | Real Estate | 71 |
| Esquire Financial Holdings Inc. | Regional Banks | |
| EXIT Realty Achieve | Real Estate | 173 |
| Family & Children's Association | Non-profit | 218 |
| Family Service League. INC. | Non-profit | 815 |
| First of Long Island Corp. | Regional Banks | |
| Flushing Financial Corp. | Regional Banks | |
| Fonar Corp. | Health Care Equipment | |
| Frequency Electronics Inc. | Electronic Equipment & Instruments | |
| Future Tech Enterprise | Information Technology | 110 |
| Getty Realty Corp. | Retail REITs | |
| Grassi Advisors & Accountants | Financial Services & Insurance | 211 |
| Greenman-Pedersen, Inc. | Construction | 130 |
| H2M architects + engineers | Services | 348 |
| Hain Celestial Group Inc. | Packaged Foods & Meats | |
| HealthCare Partners, MSO | Healthcare | 240 |
| Henry Schein Inc. | Health Care Distributors | |
| Intellicheck Inc. | Electronic Equipment & Instruments | |
| Janel Corp. | Air Freight & Logistics | |
| Janover LLC | Financial Services & Insurance | 99 |
| KidsFirst Evaluation and Advocacy Center | Education | 90 |
| Kimco Realty Corporation | Real Estate | 226 |
| Lakeland Industries Inc. | Apparel, Accessories & Luxury Goods | |
| Lewis Johs Avallone Aviles, LLP | Services | 145 |
| Lifetime Brands Inc. | Housewares & Specialties | |
| Long Blockchain Corp. | Soft Drinks | |
| Long Island Select Healthcare. Inc. | Healthcare | 113 |
| Louis K McLean Associates Engineers & Surveyors, PC | Services | 85 |
| Manhattan Bridge Capital | Mortgage REITs | |
| Marcum LLP | Financial Services & Insurance | 187 |
| McIntyre, Donohue, Accardi, Salmonson, and Riordan, LLP | Services | 54 |
| Meadowbrook Financial Mortgage Bankers Corp. | Financial Services & Insurance | 125 |
| Mercy Haven, Inc. | Non-profit | 77 |
| Misonix Inc. | Health Care Equipment | |
| Mobiquity Technologies Inc. | Advertising | |
| MSC Industrial Direct Co Inc. | Trading Companies & Distributors | |
| MSH Inc. dba Plesser's Appliances | Retail | 50 |
| Napco Security Technologies Inc. | Electronic Equipment & Instruments | |
| Nathan's Famous Inc. | Restaurants | |
| National Business Capital & Services | Financial Services & Insurance | 87 |
| National Consumer Panel | Services | 75 |
| Network Solutions and Technology (NST) | Information Technology | 54 |
| New Vitality | Retail | 59 |
| New York Cancer & Blood Specialists | Healthcare | 875 |
| New York Community Bancorp Inc. | Thrifts & Mortgage Finance | |
| New York Life - Long Island | Financial Services & Insurance | 779 |
| Newtek Business Services Corp. | Asset Management & Custody Banks | |
| NRC Group Holdings Corp. | Environmental & Facilities Services | |
| NY State Solar | Construction | 86 |
| One Liberty Properties Inc. | Diversified REITs | |
| Options for Community Living, Inc. | Healthcare | 218 |
| Orbit International Corp. | Electrical Components & Equipment | |
| P & F Industries Inc. | Household Appliances | |
| P.W. Grosser Consulting | Services | 50 |
| Park Electrochemical Corp. | Electronic Manufacturing Services | |
| Piping Rock Health Products, LLC | Manufacturing | 572 |
| Posillico | Construction | 264 |
| Power Home Remodeling | Construction | 217 |
| Power REIT | Specialized REITs | |
| Precipart | Manufacturing | 285 |
| Prepaid Ventures, Ltd. | Financial Services & Insurance | 50 |
| Research Frontiers Inc. | Electronic Equipment & Instruments | |
| Reverse Mortgage Funding LLC | Financial Services & Insurance | 68 |
| SAIL, Inc. | Non-profit | 132 |
| Scientific Industries Inc. | Health Care Equipment | |
| Sino-Global Shipping America Ltd. | Marine Ports & Services | |
| Spellman High Voltage Electronics Corp. | Manufacturing | 315 |
| Standard Diversified Inc. | Tobacco | |
| Stasi Brothers Asphalt & Masonry | Construction | 70 |
| Stony Brook Southampton Hospital | Healthcare | 1330 |
| SUNation Solar Systems | Utilities & Telecommunications | 174 |
| SupplyHouse.com | Retail | 135 |
| Surge Components Inc. | Technology Distributors | |
| Systemax Inc. | Trading Companies & Distributors | |
| Total Technology Solutions | Information Technology | 50 |
| Transervice Logistics Inc. | Distribution, Logistics, & Freight | 61 |
| TSR Inc. | IT Consulting & Other Services | |
| Tweezerman International | Manufacturing | 115 |
| United Northern Mortgage Bankers Limited | Financial Services & Insurance | 108 |
| United States Luggage Company | Manufacturing | 65 |
| United-Guardian Inc. | Personal Products | |
| Vaso Corporation | Health Care Equipment | |
| Veeco Instruments Inc. | Semiconductor Equipment | |
| Verint Systems Inc. | Application Software | |
| VHB Engineering, Surveying, Landscape Architecture and Geology, P.C. | Services | 62 |
| Vicon Industries Inc. | Electronic Equipment & Instruments | |
| Volt Information Sciences Inc. | Human Resource & Employment Services | |
| WellLife Network Inc | Non-profit | 550 |
| Yardi Systems, Inc. | Information Technology | 149 |
| Zebra Technologies Corporation | Manufacturing | 946 |
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Author: Editor
The editing staff at Long Island Work is dedicated to bringing readers the latest and most relevant information about the top companies and job opportunities in the region. With a deep understanding of Long Island's economic landscape, our team is passionate about helping both job seekers and employers connect and thrive. Our editors bring years of experience in journalism, local business knowledge, and a commitment to excellence, ensuring that the content we provide is both informative and engaging. Discover more about our team and mission at Long Island Work.
