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©2011 Global Technical Systems, Inc.  All Rights Reserved

Factory authorized KENWOOD, TAIT, WHELEN and ZETRON dealer for Central & Southern Illinois

All product and service names are the property of their respective owners.

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Global Technical Systems, Inc. is a an industry leader in communications and outdoor warning systems. Founded on the premise of providing systems, sales, and service to customers who place a high importance on their systems' accurate design, competent installation, prompt service, and reliable operation day in and day out.

GTSi delivers timely, well-designed, efficient, best-value communications and outdoor warning systems and products providing an open architecture solution for expansion and enhancement into the future.

GTSi represents the industry's finest manufacturers including: WHELEN Outdoor Warning Siren Systems, KENWOOD 2-Way Communications Equipment, ZETRON Radio Dispatch Systems and Enhanced E-911 Customer Premise Equipment, EVENTIDE Voice and Data Logging Equipment. We demonstrate a thorough understanding of our customers' needs and desires, providing maximum satisfaction as a preferred supplier.