42 East St
Crystal Lake, IL 60014
Crystal Lake, IL 60014
Cash, Check, Visa, Mastercard, Discover, American Express, Debit
Security Dynamics Corp., (SDC), is a fully-insured, Illinois and Indiana licensed private security contractor and private detective agency, serving all of Illinois and Indiana, with specialization in the greater Chicago area. SDC was founded in 1999 by a 20-year law enforcement professional, who partnered with other law enforcement professionals to provide affordable, premium security and investigation services to a wide variety of clientele.