P.O. Box 22
Nashville, IL 62263
Phone: 618-327-9526
Toll free: 800-995-7717
Fax: 618-327-9070

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Professional Investigative and Security Services

Advanced Investigative Services is a full service investigative and security agency that offers comprehensive investigative and security services throughout the state of Illinois, as well as the greater St. Louis, MO area, and specialized investigative services throughout the states of Illinois, Indiana, Kansas, Kentucky, Missouri, and Tennessee.

We pride ourselves on our timely and professional service, which is reflected in our outstanding reputation with our corporate clients, as well as with the numerous individual clients we have served.

Our investigative and security staff, which has a primary base of current or retired local, state, and federal law enforcement officers, has in excess of 100 years of investigative experience.

We provide corporate investigative services, including Intellectual Property and workers' compensation investigations, process service, domestic investigations, criminal support services, security services, as well as other specialties listed under the SERVICES tab.

We are eager to discuss your investigative and security requirements, without cost to you or your company, and urge you to contact us at 800-995-7717 for immediate service and/or to discuss your situation.

Illinois: 117-000899
Indiana: PI20700065
Kansas: A-5205
Kentucky: 167673
Missouri: 2010019307
Tennessee: 00001951
Illinois Security Agency License: 122-001103

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