Abbreviations beginning with u

USCAUnited States Curling Association
Regional » States

USCAUnited States of Canada Actually
Regional » Canadian

USCAUnited States Canoe Association
Sports

USCAUnited States Croquet Association
Sports

US-CACalifornia (US)
Regional » States

USCAAUnited States Collegiate Athletic Association
Community » Associations

USCAAUnited Services Community Action Agency (Missouri)
Miscellaneous

USCAAUnited States Collegiate Athletic Association (Newport News, VA)
Miscellaneous

USCAAUnited States Corporate Athletics Association
Miscellaneous

USCAAUniversity of Southern California Alumni Association
Miscellaneous

USCAAUnited States Collegiate Athletic Association
Regional » States

USCAAUnited States Collegiate Athletic Association
Sports » Athletics

USCAAFUnited States Court of Appeals for the Armed Forces
Governmental

USCAPUnited States and Canadian Academy of Pathology
Academic & Science » Societies

USCAPUnited States Climate Action Partnership
Miscellaneous

USCAPUnited States Commercial Aviation Partnership
Miscellaneous

USCAPUniversity of Sydney Central Asian Programme (est. 1992; Sydney, Australia)
Miscellaneous

USCARUnited States Council for Automotive Research
Academic & Science » Research

USCARUnited States Council for Automotive Research
Governmental » Council

USCARUnited States Council for Automotive Research
Miscellaneous » Automotive