California-based guard services firm Universal Protection Service announced that it has acquired CastleGuard Security, which provides security for high-rise condos, gated communities and office spaces ...

Universal Protection Service in Santa Ana has acquired San Diego-based Heritage Security Services, which was recently selected to provide private armed security guards for John Wayne Airport. Terms of ...

Santa Ana-based Universal Protection Security Systems has acquired City-Wide Electronic Systems Inc. in El Cajon. Terms were undisclosed. Universal Protection Security Systems, or UPSS, is part of ...