Our private investigators and security officers are specially trained and licensed by the state. Each private investigator can be certified as an expert witness and qualified to testify in state and federal courts.  All staff members participate in continuing education and are current on the latest investigative techniques and security protocols.

We know that on duty security officers and video surveillance stops theft and prevents loss from vandalism and negligence.  Through patrols and surveillance your business can be protected twenty-four hours a day.  Safety always comes first.  Each security guard is equipped with communications and in contact with management on a regular basis.  Video surveillance offers another layer of protection.  We offer service contracts, installation, and maintenance.  Our closed-circuit television systems and hidden cameras provide constant surveillance, monitoring, and address other potential safety concerns.
 
Southern Illinois Security also offers a full-service private detective agency.  We offer investigative services for the legal, insurance, and private individual. Our professional results and reasonable fees provide clients with an affordable investigative doo they can depend on with confidence.