Sentinel Technologies. Inc.
Sentinel jumpstarts development. In our increasingly technological world, it’s more important than ever for companies to stay connected and continue to evolve in order to stimulate productivity, growth, sales and profits. Sentinel Technologies has been ALWAYS LEADING since 1982 by working with organizations of all sizes and structures to help ensure the right technology solutions are at their disposal to meet the challenges of today and tomorrow. Sentinel was founded by Dennis Hoelzer in 1982 as a technology maintenance and repair company based in Oak Brook, IL.
2550 Warrenville Road Downers Grove, IL
1982, Oak Brook, IL
Dennis Hoelzer
500-1,000