As of  2025, the global greenhouse industry is booming, driven by the need for year-round crop production, sustainable farming practices, and advancements in climate-controlled agriculture. The market for greenhouse horticulture is projected to reach $43.8 billion by 2032, growing at a compound annual growth rate (CAGR) of 7.8% from 2024 onward. With climate change and food security challenges at the forefront, manufacturers are focusing on energy-efficient designs, modular structures, and integrated automation systems. This article highlights the top 10 greenhouse manufacturers worldwide, selected based on their market share, innovation, customer reviews, and global reach. These companies cater to both commercial-scale operations and hobbyist kits, emphasizing durability, customization, and eco-friendly features. Rankings are derived from industry reports, expert analyses, and recent updates as of 2025.

1. Prospiant (United States)

Prospiant stands out as the largest North American provider of large-scale commercial greenhouses and cultivation structures, formed by the merger of Nexus Greenhouse Systems, Rough Brothers, and ThermoEnergy Solutions. With multiple manufacturing facilities across the U.S. and Canada, the company offers end-to-end solutions, including design, engineering, and installation of automated systems for optimal efficiency. Their structures are tailored for cannabis cultivation, research, and high-yield vegetable production, incorporating energy-saving features like LED lighting and climate controls. Prospiant's focus on sustainability has made it a go-to for urban agriculture projects, with a CAGR influence of around 4.7% in the sector. Ideal for commercial growers seeking scalable, high-tech facilities.

2. Richel Group (France)

Established in 1964, Richel Group is a European powerhouse specializing in designing, manufacturing, and installing advanced greenhouse structures. Headquartered in Provence, France, the family-owned company has expanded globally, offering innovative features like optimized condensation water recovery systems, dual-layer expansion films, and snow-load-bearing beams. Their multi-span greenhouses, up to 16 meters wide, are renowned for high productivity and adaptability to various climates. Richel emphasizes sustainability, with a CAGR of 6% in greenhouse horticulture. They serve agricultural professionals worldwide, providing turnkey solutions that enhance resource efficiency and crop yields.

3. GGS Structures Inc. (United States)

Since 1979, GGS has been a leader in custom greenhouse solutions, using top-notch materials like hydraulic saws and CNC rolling machines for precision manufacturing. Based in Vineland, New Jersey, the company offers a wide range of structures, including high tunnels, Venlo-style, freestanding, and A-frame designs, all tailored for commercial growers. Their fabric-covered and glass/polycarbonate options prioritize energy efficiency and environmental responsibility, reducing carbon footprints while maximizing growing space. GGS excels in installation and maintenance services, making it a favorite for large-scale horticultural projects in North America and beyond.

4. Certhon (Netherlands)

Founded in 1949 and headquartered in Poeldijk, Netherlands, Certhon is a global leader in high-tech greenhouse construction. The company integrates automation, climate control, and hydroponic systems to create controlled environments for year-round production of vegetables, fruits, and flowers. Certhon's innovative designs, such as energy-efficient Venlo structures, help minimize water and pesticide use by up to 95% compared to traditional farming. With a strong emphasis on sustainability, Certhon operates worldwide, supporting food security initiatives amid climate challenges.

5. Agra Tech, Inc. (United States)

Located in Pittsburg, California, Agra Tech is a premier manufacturer of commercial greenhouses and accessories, known for customized solutions in ventilation, coverings, and in-ground growing systems. The company partners with global leaders like Ridder/HortiMaX for cutting-edge automation, enabling optimal plant environments. Agra Tech's broad spectrum of models supports diverse horticultural needs, from high tunnels to advanced research facilities. Their focus on innovation has positioned them as a key player in the Western U.S. market, with strong growth in sustainable agriculture.

6. Dalsem (Netherlands)

Dalsem is renowned for state-of-the-art, sustainable greenhouse designs that incorporate advanced climate control and energy-efficient technologies. Based in the Netherlands, the company provides turnkey projects worldwide, emphasizing high productivity and adaptability to local climates. Their structures feature automated irrigation and LED integration, reducing operational costs by up to 40%. With a CAGR of 6.8%, Dalsem is a top choice for commercial operations seeking long-term efficiency and environmental compliance.

7. Rimol Greenhouses (United States)

Rimol Greenhouses, based in Hooksett, New Hampshire, designs dependable structures like the rugged Matterhorn gutter-connected model and affordable high tunnels such as the Bobcat series. Their products are built for extreme weather, with features like 10-foot-high walls for optimal airflow and energy savings up to 40% through shade systems. Rimol caters to both commercial and hobbyist markets, offering easy-assembly kits praised for customer service and durability. Ideal for small to medium-scale farmers expanding year-round production.

8. Atlas Manufacturing, Inc. (United States)

Atlas Manufacturing provides affordable, high-quality greenhouses for commercial, educational, and hobby use, with structures like the Evergreen line designed for DIY installation and maintenance-free operation. Their extruded aluminum gutters and post connections save time and costs, while shade solutions enhance energy efficiency. Atlas's focus on educational projects, such as hydroponics classrooms, makes it a leader in accessible, scalable designs. With over 30 years of experience, they deliver reliable performance for growers at all levels.

9. Hartley Botanic (United Kingdom)

Since 1938, Hartley Botanic has handcrafted premium aluminum greenhouses in England, offering bespoke designs that blend functionality with aesthetic appeal. Their structures feature precision engineering for lifetime durability, with options for conservatories, solariums, and attached sunrooms. Hartley emphasizes year-round use, even in colder climates, and provides expert support from concept to installation. Popular for luxury residential and small commercial applications, their 85+ years of heritage ensure top-tier quality.

10. Planta Greenhouses (Canada/United States)

Planta specializes in heavy-duty DIY kits using galvanized steel and premium polycarbonate, capable of withstanding snow loads up to 98 psf and winds up to 65 mph. Their Sigma and Farmer series suit backyard hobbyists and commercial farms, with a 10-year warranty and excellent customer service supporting over 17,000 growers. Shipped across North America, Planta's kits are praised for affordability and resilience, making them a top pick for harsh-weather regions.

Conclusion

These top 10 greenhouse manufacturers represent the pinnacle of innovation in 2025, addressing the demands of sustainable agriculture through advanced materials, automation, and customization. Whether you're a commercial operator scaling production or a hobbyist seeking a durable kit, selecting from this list ensures reliability and efficiency. As the industry evolves, factors like energy savings and climate adaptability will continue to shape the market. For specific needs, consult manufacturers directly for quotes and site assessments to optimize your investment.