LLK Greenhouse Solutions is a national greenhouse solution provider that has serviced the greenhouse and indoor growing industry for 90+ years. Based in Cleveland Ohio, LLK offers the following services across multiple industries including commercial, institutional, cannabis, and research: Greenhouse Design: Comprehensive design of greenhouse structures, equipment and environmental control systems focused on creating the desired environment. Greenhouse Supply: Collaboration with all major greenhouse manufacturers to offer greenhouse structures and equipment (e.g., glazing, blackout systems, shade curtains, heaters, lighting, environmental controls, benches, etc.) to meet the customers desired results. Greenhouse Construction: National self-performed new construction, renovation, maintenance, and emergency repair services supporting all major greenhouse manufacturers.