AgroPro Soil Testing  
   Online shopping site offering convenient soil test packages including all you need to receive a complete laboratory analysis of your soil.
   http://www.agropro.com/

Hort Sorb  
   Company offers mycorrhizal inoculants and superabsorbent polymers.
   http://www.hortsorb.com/

Lawn Fertilizers  
   Fertilizers for lawns and grasses.
   http://www.lawnfertilizers.com/

Natures Gold Fertilizers  
   Gourmet fertilizers for lawns and garden.
   http://www.naturesfertilizer.com/

Soils Online  
   Order topsoil, bark, sand, and gravel.
   http://www.soilsonline.com/

Agrofill Srl  
   Producers of simple and compound fertilizers.
   http://www.agrofill.com

TeraWet  
   Water retention additives for all plants, lawns, and food crops.
   http://Terawet.Com/

Soilperfect Soil Testing  
   Specialists in affordable soil testing for gardens, lawns, vegetables, flowers, orchards, trees, shrubs and anything that grows.
   http://www.soilperfect.com

Earthsoils  
   All natural lawn and garden fertilizers.
   http://www.earthsoils.com/

MegaGro  
   Plant growth stimulators and watering sponges. Includes product descriptions, applications, and testimonials.
   http://www.megagro.com/

The Urban Farming Source Book  
   Gardening supplies specifically geared towards indoor and organic gardening.
   http://www.wormsway.com/

PlanTea Organic Fertilizer  
   Organic fertilizer in convenient tea bags for houseplants. Offers UpBeet Gardener newsletter with organic gardening tips, resources, and unique recipes.
   http://www.plantea.com/