Founded in 1982 as a family-owned business, Ohio-based CropKing manufactures greenhouse structures and hydroponic systems for controlled-environment agriculture. Its distinctive in-house research greenhouse lets the company trial products while its horticulturists, engineers and technical advisers support growers with system design, training and crop questions. CropKing serves customers across the United States and more than 20 other countries, working with commercial growers as well as educators and hobbyists.
ProspiantProspiant designs, manufactures, and builds commercial greenhouses and controlled-environment growing facilities, providing integrated systems and ongoing support from its Cincinnati base. Formed in 2021 from Rough Brothers, Nexus Greenhouse Systems, and ThermoEnergy Solutions, the company draws on more than 180 years of combined greenhouse experience and operates manufacturing facilities in the United States and Canada. Prospiant also applies its large-part manufacturing capabilities to industrial powder coating, metal fabrication, and related finishing work.CINCINNATI, OH
Donald A. Schuster GreenhouseSince Donald Schuster opened his Elyria greenhouse in 1964, Donald A. Schuster Greenhouse has grown bedding plants and other garden plants for local customers and wholesale buyers. Now run by the founder’s sons Ed, Steve, and Chuck, the third-generation family-owned greenhouse grows most of its retail plants on site and turns to pumpkins and seasonal farm activities in the fall. Its wholesale plants reach garden centers and gardens throughout Northeast Ohio, continuing a family growing tradition that began on the Murray Ridge Road property in 1927.ELYRIA, OH
Raccoon Creek Farms, LLCFamily-owned and operated in Granville, Ohio, Raccoon Creek Farms grows native-species trees and shrubs in its greenhouse for local planting and reforestation projects. The farm uses a passive-solar greenhouse, solar power, geothermal temperature control and integrated pest management to raise plants with carefully sourced, non-GMO seed and cuttings. Licensed as an Ohio tree nursery since 2023, it also hosts students and community members to share sustainable growing practices.GRANVILLE, OH