Hydroponics Resource Center - Grower secrets for starting up a home based or commercial hydroponic (indoor gardening) plant business. Ideas for hydroponics startup, maintenance, production, marketing and hydroponic greenhouses.

Homegrown Hydroponics - Canadian retail stores also offering online sales with worldwide shipping.

GTG Hydroponics - Provides a wide variety of indoor gardening supplies, grow lights, organic fertilizers, as well as advanced climate and carbon dioxide controllers. Online forum and FAQ.

Home Harvest Garden Supply - Hydroponic, organic, hobby greenhouse, container and indoor garden supplies. Product information and researched links directory.

CropKing - Offers controlled environment growing systems and technology for specialty crops including hydroponic vegetables, aquaculture and exotic mushrooms.

ACI Hydroponics - Complete line of grow lights (HID) light movers and hydroponic gardens and equipment.

Superior Growers Supply - Carries europonic, aeroponic and educational hydroponic products.

GK Industries - All the latest hi-tech indoor growing accessories including complete GrowKits, lighting and bulbs, aeroponics and nutrients.

Hydroasis - Full-service hydroponic and organic gardening store. Indoor lighting, many hydroponic systems, nutrients and organics. Order by toll-free telephone or fax.

Sea Of Green - Hydroponic and horticultural gardening systems and supplies. Ships in USA.

Interior Gardens - Enjoy full spectrum grow lights and supplies for a year round indoor flower, fruit and vegetable garden. Also hydroponics supplies.

The Cultivation Station - Offers a wide selection of indoor and outdoor gardening products, information on hydroponics and a tip of the month.

The Grow Station - Hydroponic grow lights, nutrients and supplies. Offers world wide shipping.

Horizen Hydroponics - Offering hydroponics, grow lights, nutrients, organics, soil amendments and environmental controls. Ships in USA.

Advanced Hydroponic Garden - Offers a large selection of hydroponics systems, lights, and supplies. Exclusive US dealer of SuperNutrients. Order online.

Growco Indoor Gardening - Online ordering of hydroponic and intense lighting systems plus grow room supplies and nutrients.

Greenfire Gardening Supplies - Hydroponic and organic gardeners' supplies for both commercial growers and hobbyists. Order by toll-free telephone or mail.

Harvest Moon Hydroponics - Supplies for hydroponics. Greenhouses, artificial lighting and new plant varieties.

Adirondack Organics - Indoor-outdoor garden store, carrying a complete line of organic and hydro-organic garden supplies.

FutureGarden - Features a complete line of grow lights, hydroponic gardens and growing supplies.