Aardappelketen in de Verenigde Staten

Skyline Potato is a large scale progressive potato operation located in the heart of the San Luis Valley of Colorado.

Sloan Leavitt Group, part of the Leavitt Group, is an insurance agency in Hermiston, Oregon that provides a variety of personal, corporate, and agricultural insurance solutions.

The first San Luis Valley Research Center was established in 1888 (the same year the main station at Fort Collins was established) on 200 acres of state land near the Rio Grande River, seven miles east of Del Norte.

SMA offers some 60,000 different agricultural-related parts to customers across the United States, stretching from California’s San Joaquin Valley to the Carolinas, and from the Upper Midwest down to the Rio Grande Valley in Texas.

Smith's Farm is a grower of broccoli, cauliflower and potatoes on the east coast in Maine, established in 1859.

The Soil Health Institute is that organization. With efforts in Research; Measurements, Standards & Assessment; Economics; Informed Policy; and Communications & Education, the Institute envisions a future in which soil health

Soilcraft is an agricultural input firm headquartered in Moses Lake, Washington, that specializes in biological soil amendments, crop nutrition products, and regenerative farming solutions.

Soiltech provides wireless devices to measure soil moisture, temperature, humidity, location, and bruising. Soiltech's sensors are currently used throughout the United States and Canada.

Soiltest Farm Consultants, Inc. is an agricultural laboratory and consulting firm headquartered in Moses Lake, Washington. The company analyzes soil, plant tissue, water, and manure for farmers, crop advisors, and agribusinesses.

Southwind Farms is a grower and packer of fingerling potatoes, located in the heart of the Snake River Valley in Idaho.

The Specialty Potato Alliance offers a range of fingerling potatoes all year round

They manufacture and distribute affordable, leading-edge plant measurement technology to agricultural, horticultural, environmental and turf markets throughout the world, serving more than 14,000 customers in over 80 countries.

Spraytec Fertilizers is an American agribusiness firm situated in Urbandale, Iowa that specializes in foliar fertilizers, plant nutrition solutions, and crop-application technologies.

Spudnik is a manufacturer of potato equipment in the United States.

SRX Sulfur offers logistics and distribution solutions for sulfur products to agricultural growers in the Western United States. The company prioritizes a reliable supply chain to provide year-round crop input availability in one of the world's most agriculturally varied regions.

SS Equipment, Inc. is a full-service agricultural equipment dealership based in Quincy, Washington, with branches throughout Washington and Oregon.

Steel Vision Construction, Inc. is a general contractor and structural steel construction company situated in Rigby, Idaho. Their services include the design and construction of commercial, industrial, agricultural, and specialty buildings, such as aviation hangars, storage facilities etc.

Sterling Farms LLC is situated in the irrigated sandy soils of Adams County, near Grand Marsh in central Wisconsin. This family-run farm is owned and operated by Joe Seis, his wife Dana, and their family. They specialize in producing yellow, russet, and creamer potatoes for the fresh market, as well as growing grain and canning crops.