LLK Greenhouse Solutions

What LLK Greenhouse Solutions does

LLK Greenhouse Solutions is a privately held U.S. company founded circa 1929–1930 and headquartered in Strongsville, Ohio, that delivers end-to-end commercial greenhouse solutions through a self-performed service model. The company offers six integrated service lines — Design, Supply, Construction, Maintenance, Commissioning, and Renovation/Repair — covering the full asset lifecycle from initial concept through ongoing operations. Its proprietary "Personalized Growth Model" (LLK Model) is a self-performed consulting and engineering methodology used to translate each client's business objectives, constraints, and vision into a customized controlled-environment design. The business is quote-based and project-driven, with multi-year maintenance agreements creating a recurring-revenue overlay; supply is delivered through strategic partnerships with greenhouse structure, glazing, equipment, and controls vendors, while design, construction, commissioning, maintenance, and renovation are self-performed by LLK's own professionals.

The company serves five primary vertical markets: Commercial & Retail (flower shops, garden centers, commercial growers with projects ranging from 800 sq ft to multiple acres), Higher Education & Research (universities and research institutions such as Kent State University), Insurance (emergency repair and recovery for policyholders), Cannabis, and Controlled Environment Agriculture (CEA) for fruits and vegetables. Named customers include Pure Greens (multi-phase design-build, including a 39,000 sq ft Phase II project), Kent State University (Herrick Conservatory renovation), Southern Highland Reserve, and Jones Greenhouses & Berry Farm. Operations are national in scope, with regional offices in Calahan, La Grange, and Live Oak supporting field deployment across the United States. Distribution is purely direct, with no retail, marketplace, or self-serve channels; customer acquisition relies on field sales, inbound quote requests, emergency repair contacts, and earned media (including a Fox Business Network feature). LLK received institutional capital in 2021 from private equity firms Sier Capital Partners and Siguler Guff & Company, and was recognized in Construction Business Outlook's Green Building Solution Providers List 2024.

Name

LLK Greenhouse Solutions

Legal name

LLK Greenhouse Solutions

Website

https://llklink.com

Company type

Private

Founded year

1930

Operating status

Operating

Headcount range

101–250 employees

Short description

LLK Greenhouse Solutions is a U.S. private company (founded ~1929, Strongsville, OH) that self-performs the design, supply, construction, commissioning, maintenance, and renovation of custom commercial greenhouses for commercial/retail, higher education, insurance, cannabis, and CEA clients nationwide.

Ownership category

akta.pro rank

Product category

Commercial Greenhouse Construction and Services

NAICS

Soil Preparation, Planting, and Cultivating (115112)

SIC

Agricultural Services (700)

akta.pro primary industry

Greenhouse Structures & Construction (Frames, Glazing, Benches) (AFAAAHAA)

akta.pro secondary industries

Controlled Environment Agriculture (CEA) / Vertical Farming (Indoor LED Farms) (AFAGAHAJ), Environmental Control & Climate Systems (HVAC, CO₂, Ventilation, Dehumidification) (AFAAAHAB)

Keywords

• Commercial greenhouse design
• Greenhouse construction services
• Greenhouse maintenance programs
• Controlled environment agriculture
• Greenhouse renovation repair

Headquarters

HQ city

Strongsville

HQ country

United States

HQ region

North America

Offices4 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Design Services: Custom greenhouse design services utilizing the Personalized Growth Model to create tailored controlled environment solutions
2. Supply: Supply of greenhouse structures, glazing, equipment, and controls through strategic partnerships
3. Construction: Self-performed greenhouse construction and renovation services for both company-designed and client-designed projects
4. Maintenance: Ongoing maintenance programs tailored to maximize client operational profits
5. Renovation and Repair: Emergency repair services and renovation projects for existing greenhouse facilities

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels8 records

Core offering

LLK Greenhouse Solutions provides end-to-end custom greenhouse solutions including design, supply, construction, maintenance, commissioning, and renovation/repair services. The company self-performs these services using its proprietary Personalized Growth Model to create tailored controlled environment solutions for commercial, education, research, insurance, cannabis, and CEA clients. Projects range from 800 sq ft to multiple acres in scale.

Product overview

LLK Greenhouse Solutions provides a comprehensive, integrated suite of greenhouse solutions delivered through self-performed services. The portfolio consists of six core service offerings—Design, Supply, Construction, Maintenance, Commissioning, and Renovation/Repair—that work together as an end-to-end solution. The Design service utilizes the company's proprietary Personalized Growth Model, while Supply leverages strategic partnerships for materials and equipment. All other services (Construction, Maintenance, Commissioning, and Renovation/Repair) are self-performed by LLK's own professionals, enabling the company to deliver customized turn-key greenhouse solutions from initial design through ongoing maintenance.

Differentiator

Problem solved

Functional benefit

Products and services

• Design Services
• Supply Services
• Construction Services
• Maintenance Services
• Commissioning Services
• Renovation/Repair Services

Quantifiable outcome

• 39,000 square foot Phase II design-build project successfully executed for Pure Greens
• +2 more outcomes

Named customers5 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

One partnership is on record.

• Strategic Supply PartnerscoreTechnology or IntegrationLLK leverages strategic partnerships to deliver the right greenhouse structure, glazing, equipment, and controls for each project. These partnerships enable the company to source optimal components while maintaining quality and cost-effectiveness for client solutions.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Rough Brothers Greenhouses: Long-standing U.S. greenhouse design-build firm offering turnkey commercial greenhouse construction, structures, and environmental systems. Most directly comparable peer in the same product category, customer base, and self-performed delivery model as LLK.
• Nexus Greenhouse Systems: U.S. manufacturer and builder of commercial and institutional greenhouses offering structures, glazing, and environmental controls. Directly comparable to LLK's design-supply-construct service stack for commercial, education, and research customers.
• Stuppy Greenhouse Manufacturing: Family-owned U.S. greenhouse manufacturer and contractor providing design, manufacturing, and construction of commercial and educational greenhouses. Highly comparable end-to-end service offering and target customer base to LLK.
• Atlas Manufacturing: U.S. supplier and builder of greenhouse structures, benches, and ventilation systems serving commercial growers and educational institutions. Comparable in product category (structures + environment) and customer overlap, with a similar mid-size specialty contractor profile.
• Agra Tech: California-based commercial greenhouse manufacturer and contractor offering design, engineering, and construction services. Comparable in delivery model and customer mix (commercial, research, and institutional greenhouse builds).
• Ceres Greenhouse Solutions: U.S. designer and builder of energy-efficient commercial and institutional greenhouses, with emphasis on sustainable and year-round growing environments. Comparable target customers and customized design-build model, though smaller in scale.
• Growspan: Canadian manufacturer and builder of commercial greenhouses serving North American growers, with a similar design-supply-construct offering. Comparable product category and customer base, with overlap into the U.S. market LLK serves.
• Rimol Greenhouses: U.S. manufacturer of commercial greenhouse structures offering design, supply, and construction services for growers and institutions. Comparable product line and customer mix, including a self-performed installation capability.
• Ludy Greenhouse Manufacturing: U.S. greenhouse manufacturer and contractor providing design, fabrication, and construction of commercial and research greenhouses. Comparable delivery model and institutional/customer base to LLK's education and commercial segments.

Emerging players

• CropKing Inc. U.S. supplier of controlled environment agriculture systems, including greenhouse structures, hydroponics, and growing solutions. Adjacent and partially overlapping in the cannabis/produce CEA market LLK serves, with a more standardized product orientation.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@LLKGreenhouseSolutions
• Facebookfacebook.com/LLKGreenhouseSolutions
• LinkedInlinkedin.com/company/llk-greenhouse-solutions
• Instagraminstagram.com/llk_greenhouse

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds1 record

Investors2 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about LLK Greenhouse Solutions