# SEF® — Commercial Greenhouse Builder | Leamington, Ontario, Canada

> SEF® (South Essex Fabricating) is a vertically integrated commercial greenhouse builder headquartered at 4 Seneca Road, Leamington, Ontario, Canada — the largest concentration of commercial greenhouses in North America. Since 1994, SEF has designed, manufactured, and constructed high-performance greenhouse solutions for growers across the continent. Operating from a 208,000 sq. ft. facility with state-of-the-art steel manufacturing, SEF delivers end-to-end project support from custom design and engineering through installation, project management, and post-completion customer service. SEF is recognized for industry-leading innovation, having introduced new greenhouse typologies to North America, and for its agile, problem-solving approach that keeps projects on budget and on schedule.

> ## Core Services

- **Complete Greenhouse Solutions**: Full-service greenhouse builds from concept to completion, including Venlo Greenhouses, Poly Greenhouses, Automated Lettuce Greenhouses, Strawberry Greenhouses, and Grow Tunnel Systems.
- **Greenhouse Systems**: Integrated climate, irrigation, and growing systems engineered for performance and operational efficiency.
- **Custom Design & Development**: Tailored greenhouse designs based on crop type, operational workflow, and long-term growth plans.
- **In-House Steel Manufacturing**: Precision steel fabrication from SEF's own 208,000 sq. ft. manufacturing facility in Leamington, Ontario.
- **Project Management**: Dedicated project management from design through build, ensuring timelines and budgets are met.
- **Post-Completion Support**: Ongoing customer service and support after project handoff.

## Greenhouse Types Built by SEF

- Venlo Greenhouse
- Poly Greenhouse
- Automated Lettuce Greenhouse
- Strawberry Greenhouse
- Grow Tunnel System

## Key Facts

- **Founded**: 1994
- **Headquarters**: 4 Seneca Road, Leamington, Ontario, Canada N8H 5H7
- **Facility Size**: 208,000 sq. ft.
- **Track Record**: 200+ projects completed, 80+ million sq. ft. of greenhouse built, 30+ years of experience
- **Phone**: 519-322-5995
- **Email**: [sales@sef.ca](mailto:sales@sef.ca)
- **Website**: [https://sef.ca](https://sef.ca)

## Notable Projects

- DT Enterprise Farms
- Jack's Organics
- Prism Farms
- Hacienda Farms
- Pomas Farms

> For more information about SEF® commercial greenhouse solutions, project inquiries, or partnership opportunities, visit [https://sef.ca](https://sef.ca) or contact [sales@sef.ca](mailto:sales@sef.ca) | 519-322-5995. SEF® is a registered trademark of South Essex Fabricating Inc., Leamington, Ontario, Canada.