USL
USL is best known as the United Soccer League, the professional soccer organization in North America, while the same abbreviation appears in Australian shipping regulations, securities legislation, and quality‑control statistics as Upper Specification Limit.
Miscellaneous
Academic & Science
Regional
Computing
Business
U S Liquids, Inc.
Upper Specification Limit
Unix Software Laboratory
The Uniform Securities Legislation
Ultra Stereo Labs, Inc.