Founded in 1952, Jack B. Parson Companies is a supplier and contractor of construction materials. It is a part of Staker & Parson Companies, which is one of the largest producers of sand and rock products, ready-mix concrete, and asphalt and paving materials in the United States. Operational for more than 50 years, Staker & Parson Companies serves several contractors, businesses, government agencies, municipalities, and homeowners. It offers base course materials, fill products, washed aggregates of various sizes, golf course sand, landscape boulders and specialty landscape products. Staker & Parson Companies also includes Idaho Sand & Gravel, Idaho Concrete Company and Western Rock Products. It is affiliated with the Oldcastle Materials Group. Jack B. Parson Companies has a location in Spanish Fork, Utah.