Business Details
47 Years
experience
Your Trusted Partner for Greenhouse Solutions
G's Greenhouse has been a leader in the greenhouse industry since 1979, specializing in the design, manufacture, and installation of high-performance commercial, research, and architectural greenhouses. Our team of seasoned professionals combines deep industry knowledge with hands-on experience to deliver tailored solutions that meet the unique needs of growers worldwide. We prioritize durability, energy efficiency, and sustainability in every project, using premium materials and cutting-edge construction techniques. Our commitment to innovation ensures clients receive structures optimized for labor efficiency, scalability, and long-term productivity.With decades of experience and a reputation for excellence, we partner with clients from initial consultation through project completion and ongoing maintenance. Our expertise extends to fabric-covered structures, system integrations, and LEED-certified construction, reflecting our dedication to environmental responsibility. We maintain strong industry relationships and a robust safety program, ensuring every project meets the highest standards of quality and client satisfaction.
Services
Commercial Greenhouses
Research Greenhouses
Architectural Greenhouses
Fabric-Covered Structures
Shade Structures
System Integrations
Rolling Benches
Vertical Growing Systems
Greenhouse Maintenance
Project Management
Details
- Year established: 1979
Highlights and features
- We offer over 40 years of specialized greenhouse expertise.
- Our LEED-certified construction prioritizes sustainability and energy efficiency.
- Custom-engineered solutions adapt to unique crop and environmental needs.
- We provide end-to-end project management and ongoing maintenance support.
- Our structures use CSA-A660 certified steel for unmatched durability.
Associations and certifications
- CSA-A660
What people say
Outstanding expertise
Durable structures
Game-changer
Professional service
On-time delivery
Services
Commercial Greenhouses
GGS designs and constructs commercial greenhouses optimized for crop production, energy efficiency, and scalability. Our structures incorporate advanced climate control systems, durable materials, and customizable layouts to meet specific agricultural needs. Clients benefit from reduced operational costs and enhanced crop yields through tailored solutions for floral, nursery, cannabis, and food production applications.
Fabric-Covered Structures
Our fabric-covered structures provide durable, cost-effective protection for agricultural, industrial, and emergency applications. Engineered to withstand extreme weather conditions, these versatile buildings feature corrosion-resistant steel frames and high-strength fabric covers. Ideal for material storage, livestock housing, and temporary facilities, they combine rapid deployment with long-term durability in demanding environments.
Research Greenhouses
GGS creates precision-engineered research greenhouses with advanced environmental controls for scientific institutions. These facilities maintain exact temperature, humidity, and light parameters for experimental consistency. Features include containment systems, data integration capabilities, and modular designs that accommodate evolving research requirements while meeting strict regulatory standards for biosecurity and containment.
System Integrations
We integrate comprehensive environmental systems including ventilation, irrigation, lighting, and automation into greenhouse structures. Our solutions optimize growing conditions through smart controls, energy-efficient HVAC systems, and automated shading mechanisms. These integrations enhance operational efficiency while maintaining ideal plant growth environments across diverse climatic conditions.
Greenhouse Maintenance
GGS offers preventive maintenance programs to ensure long-term greenhouse performance. Services include seasonal system checks, climate control calibration, structural inspections, and emergency repairs. Our maintenance plans extend equipment lifespan, prevent operational disruptions, and maintain optimal growing conditions through scheduled servicing and detailed performance documentation.
People
Craig Umans
Chairman
With decades of leadership in the greenhouse industry, Craig Umans guides GGS's strategic direction while maintaining focus on quality and innovation in controlled environment agriculture solutions.
David Alves
CEO
David Alves oversees GGS's operations and growth initiatives, leveraging extensive experience in greenhouse technology and construction management to drive the company's market leadership and client satisfaction.
Nathan Obeid
President
Nathan Obeid directs day-to-day operations and project execution, ensuring adherence to GGS's standards of excellence in design, manufacturing, and installation of greenhouse systems.
Gerry Harrison
Original Owner
As founder, Gerry Harrison established GGS's commitment to quality construction and customer-focused solutions, laying the foundation for the company's 45+ year industry leadership.
Darin Siples
Chief Growth Officer
Darin Siples drives business development and strategic partnerships, expanding GGS's market reach while maintaining technical excellence in greenhouse innovation and service delivery.
Questions
Do you manufacture greenhouses for hobbyists?
No, GGS specializes exclusively in commercial greenhouse solutions for agricultural operations and research institutions.
Can greenhouses be expanded later?
Yes, our modular designs allow for easy expansion through length additions or lateral house additions.
What ventilation options are available?
We offer natural ventilation systems with roll-up sides and roof vents, as well as fan/shutter systems for supplemental winter ventilation.
Do you install greenhouses internationally?
Yes, GGS provides installation services globally with experienced construction supervisors available for project oversight.
What materials ensure durability?
We use CSA-A660 certified steel frames, UV-resistant polycarbonate, and industrial-grade glazing materials for long-lasting performance.
Can you retrofit existing structures?
Yes, we offer retrofit solutions including roof vents, shade systems, and climate control upgrades for various greenhouse makes.
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Reviews (4)
Sambora
Nov 09, 2021
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Did 4 shifts here it's a man's job they will make females do the heaviest job with no help for 16 a hour don't bother. Men are inappropriate and they don't follow safety rules
Mark Cowell
Dec 22, 2019
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These guys are a waste of time. ALL WRONG! we work for Brad Kingston, wrong blueprints, wrong parts etc. MONEY SPENT and parts lost. Half the parts are missing my team and I went down there to install greenhouse and parts ARE MISSING!!! whose pays for that. WASTE OF TIME!
James Johnson
Dec 18, 2019
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Horrible place to work. Management does not care about workers. They want you to work harder than possible. Hot conditions in the summer. No running water in greenhouses for workers. They care about there dollars not yours. It's all about them and not the workers who do all the work. Pay is very low. Worked there for 10 months and was lied to numerous times about pay increases. Operations manager just cares about herself. I would never recommend anyone to work here. You get what I mean about GGS..................
Steve Karman
Aug 04, 2018
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Worse place ever they rip off customers we bought 3 green houses and they drilled all the wholes wrong we paid 15000 they said sorry u can return it with a 33 percent re stocking fee so basically they gave us 3 green houses that they screwed up and can not be put up and said ok return them and give us 5000 also who has ever heard of such a thing DO NOT GO TO THESE PEOPLE
