| 77HYDRO -- An indoor garden site specializing in hydroponics. Offers questions and answers on hydroponics and indoor garden lights, as well as product information. |
| ACI Hydroponics -- Manufactures hydroponic gardens, HID grow lights, carbon dioxide regulators, light movers, nutrients and greenhouses for home hobbyists and educators. |
| AGR Hydroponics -- Australian wholesale and commercial hydroponic supplier, and consulting. |
| Albuquerque Hydroponics and Lighting -- Offers a large selection of hydroponic systems, supplies and indoor plant grow lights. |
| American Hydroponics -- Manufactures and retails hydroponic gardening supplies for hobby and commercial growers worldwide, with an emphasis on promoting clean water and recycling resources. |
| Autogrow Systems Ltd -- Manufacturers of hydroponic dosers, test equipment and controllers for greenhouse automation. |
| Better Than Nature -- Products for the hydroponics industry. Offers a detailed online catalogue. Kelwona, BC. |
| Beylik Family Farms & Hydroponics -- Commercial growers of hydroponic tomatoes. Resource for hydroponic growing tips as well as nutrient & EC target levels for tomatoes, cucumbers, peppers, strawberries, lettuce and herbs. Also sells hobby hydroponic equipment. |
| CareFree Gardens -- Provides equipment, training and supplies to grow plants a better way. Our selective use of technology enables you to grow bigger and better plants using hydroponics, rather than traditional soil-based agriculture. |
| Diamond Lights -- Horticultural lighting manufacturer. Manufactures and distributes reflectors, ballasts, hydroponic nutrients, hydroponic hobby gardens, and climate controllers. |
| Eco Enterprises -- Supplier of hydroponics since 1972. Manufacturers of Ecogrow Plant Nutrient. Lighting, videos and books, meters, propagation supplies, organics, CO2 supplies, Grodan rockwool, and systems. |
| General Hydroponics -- Major manufacturer of hydroponic equipment, supplies and nutrients, distributed through dealers worldwide. |
| Green Wonder Gardening Inc. -- Provides hydroponic, greenhouse and outdoor growing systems, equipment and supplies, for the commercial or hobby grower. Nova Scotia. |
| Greentrees Hydroponics -- Specializes in grow lights, indoor gardening and hydroponic supplies for the home grower. |
| Grodan - Hydroponics -- Manufacturer of hydroponic substrates, services and consultancy to the global horticultural growing industry for protected crops. |
| Head Gardener -- UK based hydroponic and indoor lighting specialist. Extensive range of stock, including hydro-systems, lights, nutrients and ventilation systems. |
| Hydroasis -- Full-service hydroponic and organic gardening. Specialize in indoor lighting, hydroponic systems, quality nutrients, and organics for hobby and commercial growers. Secure online ordering, ships everywhere. |
| Hydrofarm -- Major manufacturer of hydroponic systems, supplies and high-intensity halide, sodium, and fluorescent plant grow lights for indoor gardening. |
| Hydronov Inc. -- Offers hydroponic growing equipment, and technical services for large scale commercial growers. |
| Hydroponic Merchants Association -- Founded to promote the future of the hydroponic equipment industry. International directory of members, lists of hydroponic and indoor garden equipment merchants. |
| Hydroshop -- An Australian based hydroponic retailer and plant lighting specialist. Online catalog, tips and ordering. |
| HydroTech Hydroponics -- Delivers complete hydroponic systems. |
| Hydroton Expanded Clay Media -- A site providing information about Hydroton expanded clay pellets, one of the more popular hydroponic medias in use. The clay pellets are available in various sizes for use in hydroculture. |
| International Technology Services -- Distributor of Biobest bumblebee hives and beneficial insects. Also offers a full line of biological pesticides, plastic vine clips and other greenhouse related items. |
| Kit Masters Hydroponics -- Hydroponics lab kits and supplies. |
| Pinecrest Investment Group, Inc. -- Pinecrest Investment Group and Pinecrest Farms develop new techniques and technologies in hydroponic greenhouse herbs and lettuce farming. |
| Quick Grow -- Manufacturer and dealer of indoor garden and hydroponic equipment. Offers many custom and hard-to-find products. |
| QuickGrow Systems Ltd -- Supplying hydroponics kits and supplies. British Columbia. |
| Superior Growers Supply -- Indoor gardening center offering the latest European technology specializing in hydroponics and horticultural lighting. |
| The Hydromall -- Searchable database contains over 500 hydroponic store listings worldwide, as well as an abundance of articles and links. |
