What does USL stand for?

Under-Slung Loads (SAUS)

Underwater Sound Laboratory - New London, CT - Navy

Unemployed Supernumerary List - Military - British

Union Steamships Ltd. (SAUS)

Unique Suppliers List

United Satellites Ltd. - London, England - Telecommunications (TSSD)

United Soccer League (EA)

United States Laboratory (SAUS)

United States Laws (DLA)

United States League - Baseball (NDBD)

United States Legation

United States Lines (SAUS)

United States Lines, New York (SAUS)

Unit Spares List

Universal Sign Language

Universal Sonar Ltd. (SAUS)

University of Singapore Library (SAUS)

University of Southwestern Louisiana (SAUS)

University of Sydney Library (SAUS)

Unix Systems Laboratory - Computer science

Upper Specification (or Specified) Limit (SAUS)

Upper Square Law Limit (IAA)

Up Stage Left - Away from audience - A stage direction

Urban Systems Laboratory (SAUS)

US Arms & Cutlery Co. - NCIC firearms make code (NCIC)

Useless Loop - Australia - Airport symbol (OAG)

US Leasing International, Inc. (SAUS)

US Liquid - AMEX symbol (SPSG)

US Long Distance - Vancouver Stock Exchange symbol

Usual (ROG)