- Soil Moist
 - Water storing polymers designed to reduce plant waterings. - T&J Enterprises
- Sells mycorrhizal soil amendment products.
- Conrad Fafard Inc.
- Supplier of Canadian sphagnum peat moss, landscape bark products, soil-free growing mixes and more.
- Jiffy Products
- International manufacturer of peat moss products serving the horticultural industry.
- Blue Diamond Gravel and Turf
- Producer and supplier of Growell top soil and composted manures.
- Terawet Corporation
- A polymeric soil additive for moisture retention.
- Vital Earth/Carl Pool
- Manufactures an extensive line of soil and fertilizer products.
- Jones Topsoil
- Supplies topsoil, sand, gravel, limestone, mulch, and dump truck service in the Columbus, Ohio area.
- Supersoil
- Potting soil and planting mix.
- Western Organics
- Manufactures and distributes a broad line of garden and soil supplements including mulch, decorative bark, potting soil, manure, peat moss, and conditioners, as well as live plants with several western U.S. locations.
- Great Big Plants
- Organic liquid fertilizer and plant growth accelerator. Great Big Plants is a concentrated liquid compost mixture that energizes the soil.
- Pacific Soil Company
- Manufactures and distributes premium potting soils, potting soil amendments, and Canadian Sphagnum peat moss in bagged and bulk form to both retail and commercial accounts.
- Four Star Services
- Produce soil treatment products for farming, turf and landscape, and home garden applications.
- Houston Brothers, Inc.
- Offers a soil treatment to help reduce compaction and promote aeration.
- Renewed Earth
- Wholesale supplier of container mixes for nurseries and precisely blended topsoil for the landscape industry.
- Sun-Land Garden Products, Inc.
- Provides growing media and nursery container mixes for the professional horticulture and home garden markets.
- Jayampathi Lanka Exports (Pte) Ltd.
- Manufacturers and exporters of coco peat bales, briquettes, fibre, blocks, and more.
- Haydite Horticultural Products
- Soil conditioners and soil amendments for potting soil, nurseries, gardening, lawns, sport turf, and bonsai by Hydraulic Press Brick Company.
- American Group
- Produces custom-blended soil mixes featuring sphagnum peat moss for commercial nurseries.
- Coffey's Mulch
- Selling mulches such as hardwood and pine bark, cypress, and lava rock.
- Isolite
- Soil additive that helps maintain moisture and good drainage.
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