Thank you for visiting Telgian Engineering & Consulting, LLC (TEC) at GSX 2023.

Since 1985, TEC has worked hand-in-hand with firms like yours for a wide variety of industry sectors that include government, commercial, education, healthcare, hospitality, industrial and transportation throughout the US and abroad. TEC provides real world solutions to protect lives and property and introducing TEC into your next project can deliver integrated solutions that will support your team, protect your facility, and ensure that project goals are achieved. 

Learn More About TEC Solutions – PDFs for Download

About Telgian Engineering and Consulting 

Telgian Security Risk Consulting and Engineering

Telgian Fire Protection Engineering

GSX 2023 Show Contacts

Leonard Ramo, President, Telgian




Leonard Ramo, President, | 619-961-8298 | LinkedIn





Lauris Freidenfelds, Vice President, Security Risk Consulting, |  847-650-4640 | LinkedIn

Rich Mahnke, Telgian Engineering & Consulting




Rich Mahnke, Regional Practice Leader, | 847-417-9840 


Chad Green, Telgian Engineering & Consulting         



Chad Green, Director, Business Development, | 480-698-7951 | LinkedIn 




John Carosello, Project Manager, |  480-440-4397 |  LinkedIn


Jake VanderVaate, Telgian Engineering & Consulting




Jake VanderVaate, Marketing Coordinator, | 972 922-7049 | LinkedIn