Hydroponic & Greenhouse Solutions
Since 1982 we’ve grown to become one of the largest manufacturers and distributors of commercial greenhouse structures and equipment, hydroponic systems, and growing supplies, with customers throughout the United States, Canada, Mexico, Europe and the Caribbean.
Explore Our Systems and Supplies
CropKing emphasizes service, quality, and competitive pricing, and is the only company in the U.S. that offers a full range of services to its growers. From monthly 2-Day Grower Workshops, Grower’s Manuals, Training Videos and CDs, Technical Support and CropKing supplies not only the products, but also the technology to help growers succeed.
For over 35 years, CropKing has been the leader in controlled environment agriculture. We’ve manufactured and sold greenhouse structures, hydroponic growing systems, growing supplies, and education materials.
Schools and Universities
CropKing is dedicated to educating the next generation of growers and making hydroponics in the classroom accessible whether you're growing in a greenhouse, an unused classroom, or on a desktop. We've developed custom solutions to meet the needs of educators at both the k-12 and university levels.
Let us help you design a facility based on your unique needs! We have a talented team of engineers on staff, available for custom or site-specific builds complete with consulting and general contracting services. CropKing also offers turn-key packages complete with growing & light deprivation systems, heating, cooling, and environmental controls. Our staff can retro-fit your existing greenhouse, design hydroponic systems for your warehouse, or customize almost anywhere you want to grow.
Did you know our shop manufactures CropKing systems on-site? Check out our shop foreman, Jim Bise, welding up this custom system.
The future of CropKing is that it continues to evolve as an honest company selling an honest product and trying to help people become more successful growers.
— Marilyn Brentlinger, Founder
Latest Articles From Our Blog
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Calibrating pH and EC Probes on the Bluelab Pro Controller
CropKing •In this video we will go over the proper procedure for cleaning and calibrating the pH and EC probes on the Bluelab...
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Preparing & Gluing NFT Channels
CropKing •Learn how to properly prep and glue the end caps on CropKing NFT channels. You'll need a well-ventilated area, PVC...
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2 and 3 Stage NFT Growing System
CropKing •In this video, we’re talking about the CropKing 2 stage and 3 stage NFT system. Learn about the different stages...