The Collaborative International Dictionary of English v.0.48:

CSA \CSA\ prop. n.
   acronym for the Confederate States of America.

   Syn: Confederate States of America, the confederacy.
        [PJC]

V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

CSA
       Callpath Service Architecture (IBM, CTI)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

CSA
       Client Service Agent


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

CSA
       Communication Streaming Architecture (Intel, MCH, DNB)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

CSA
       Configuration Status Accounting