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

CCL
       Cerberus Central Limited (manufacturer)


The Free On-line Dictionary of Computing (30 December 2018):

CCL

   1. Coral Common LISP.

   2. Computer Control Language.  English-like query language
   based on COLINGO, for IBM 1401 and IBM 1410.