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. Eco Enterprises - Eco Enterprises carries a large inventory of hydroponic nutrients, lighting systems, hydroponic systems, ph controls, C02, Organics, Rockwool growing mediums, and Propagation supplies. Greentrees Hydroponics - Grow lights, indoor gardening, and supplies for the home grower. Hydrofarm - Major manufacturer of hydroponic systems, supplies and high-intensity halide, sodium, and fluorescent plant grow lights for indoor gardening. Autogrow Systems Ltd - Manufacturers of hydroponic dosers, test equipment and controllers for greenhouse automation. Grodan - Hydroponics - Manufacturer of hydroponic substrates, services and consultancy to the global horticultural growing industry for protected crops. Homegrown Hydroponics - Hydroponic equipment, nutrients, lights, and grow info. for beginners and experts. Hydroponics Online - Hydroponics tutorials, forums, and garden designs. Includes photos and grower bulletin boards. American Horticultural Supply, Inc. - Wholesale distributor of hard goods for the green industry. Hummert International - Hummert International is a commercial distributor of horticultural supplies and equipment. Fertilizers, chemical applicators, greenhouses, HVAC equipment, lawn and garden supplies, soil conditioners. Carlin Sales Corporation - Supplies for greenhouses, nurseries, lawns and gardens, and landscapers. Additional services include greenhouse construction and pre-filled containers. Japan Aquaponics - Offers a small selection of hydroponic systems and supplies for sale in Japan. General Hydroponics - Major manufacturer of hydroponic equipment, supplies and nutrients, distributed through dealers worldwide.