…the Ollivier Corporation has continued to do an outstanding job of providing installation and programming services on our existing security system, Lenel OnGuard.  Currently, we have expanded this system to our Garden Grove, Santa Ana and Anaheim facilities with the help of Ollivier Corporation. The Ollivier Corporation can always be counted on to provide outstanding customer service at the drop of a hat, and the work they do is done with the utmost of integrity and professionalism.