'''USCS''' may refer to:
* Unified Soil Classification System, a soil classification system used in engineering and geology * United States Code Service, an unofficial codification with editorial enhancements of United States laws published by LexisNexis * United States Commercial Service, a trade promotion arm of the International Trade Administration within the United States Department of Commerce * United States Conciliation Service, a former agency within the U.S. Department of Labor * United States Customs Service, a former portion of the U.S. Federal Government dedicated to keeping illegal products outside of U.S. borders * United States customary units, U.S. customary system of units, also known in the United States as English units * Universal Ship Cancellation Society, an international philatelic non-profit organization * University of South Carolina Spartanburg, a public university in Spartanburg, South Carolina * Universidade Municipal de São Caetano do Sul, a university in São Caetano do Sul, Brazil
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