Sentinel Technologies, Inc.
Sentinel Technologies provides IT services such as application development, systems integration, and technical support. Areas of specialty include enterprise messaging, IP telephony, wireless networking, and data storage systems. It supplies, installs, and services computer, networking, and communications products made by such vendors as Cisco Systems, IBM, and Hewlett-Packard. The company's custom software development efforts are centered around products from Cisco and Microsoft. Outside of Illinois, Sentinel operates satellite offices in Arizona, Michigan, and Wisconsin. Sentinel was co-founded by CEO Dennis Hoelzer in 1982.
Contact Details
Executives
President and CEO
Dennis Hoelzer
COO and Secretary
James (Jim) Emmel