Major Employers
Major Private Employers
| Name | Year Est. | Product or Service | Sector | Employees |
| Shaw Festival | 1962 | Theatre dedicated to the works of George Bernard Shaw and his contemporaries as well as work written about the period of Shaw's lifetime (1856 - 1950). | Service | 1100 |
| Niagara College Workforce and Business Development Division | 1967 | Business development centre, corporate training services, job centre, job connect, Manufacturing Leadership Certificate Program, Niagara College jobs and training, summer jobs services, testing services, tourism industry development centre. | Service | 526 |
| Ontario Power Generation | 1906 | Electricity generator. | Service | 290 |
| Henry Schein Canada Inc. | 1985 | Supplier and service of dental, medical, veterinary supplies and equipment. | Service | 200 |
| Niagara College of Applied Arts & Technology | Education. | Service | 150 | |
| Chateau des Charmes Wines Ltd. | 1978 | Wine producers. | Service | 130 |
| Peller Estates Winery | 2001 | Winery featuring customized tours and tastings, dining room, winery boutique, vintage library and barrel cellar. | Service | 100 |
| Horton CBI Limited | 1913 | Engineering and construction of metal plate structures. | Manufacturer | 90 |
| Centennial Construction and Contracting (Niagara) Inc. | 1992 | Construction services including sewer and water main, land development, concrete projects, residential and commercial foundations, road grading, tri-axle trucking and slinging. | Service | 80 |
| Hillebrand Winery | 1979 | Premium table wines, varietals. Wine education centre, daily winery tours, retail store operation. | Service | 80 |
Source: Niagara Economic Development Corporation- Niagara Canada Business Directory, 2009
Major Public Employers
| Name | Num. of Emp. | Sector |
| Ontario Power Generation Niagara Plant Group (Division of OPG) | 270 | Public Utilities |
| Town of Niagara-on-the-Lake | 96 | Municipal Government |
Source: Niagara Economic Development Corporation - 2004 Business Profile Survey
