- private military company: a commercial organization whose employees are paid to carry out military or security duties in cooperation with or in the place of regular military formations
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for pmc
I can guess that he was an agent for PMC 873 who was trespassing illegally.
The denial that any representative of PMC 873 had been involved.