Private Investigation   |   Contract Security    |   Process Service   |   Background Checks   |   Mystery Shopping   |   Products Phone: 866-524-0711 Home Services Products About us Join Our Team Contact us Services Capital Security & Investigations, established in 1998, is a full-service security and investigation agency with corporate headquarters located in Schaumburg, Illinois. CSI offers a wide range of comprehensive security and investigative solutions including, but not limited to, private investigation, contract security, process service, background checks and mystery shopping. CSI’s commitment is to provide our clients with the most comprehensive information possible to make important decisions. Whatever the nature of your assignment, we are confident we can provide professionally tailored solutions that will exceed your needs. CSI welcomes the opportunity to be of service and to answer any questions that you may have. Contact our office at 866-524-0711. CSI looks forward to providing you with the following list of services. Private Investigations Workers Compensation Litigation Support Corporate Investigation Domestic Investigation Computer Forensics     Contract Security Loss Prevention Contract Security Executive Protection         Process Service Routine Rush Priority/Same Day Skip Traces Document Retrieval     Background Checks Criminal Search Pre-employment check Tenant Screening Nanny Screening Sex offender search Document retrieval Mystery Shopping On Site Shop Competitive Intelligence             © 2008 Capital Security & Investigations, Inc. All rights reserved.