Telgian Engineering & Consulting Locations

Click on a location to find directions and their contact info

Atlanta, GA

TEC Headquarters

900 Circle 75 Parkway SE
Suite 680
Atlanta, GA 30339


Keith Butler
Regional Practice Leader 
P: 678.921.4677

Chicago, IL

1020 N. Milwaukee Avenue
Suite 365
Deerfield, IL 60015


James Antell
Regional Practice Leader 
P: 312.978.6004


Rich Mahnke
Regional Practice Leader 

Dallas, TX

6060 North Central Expressway
Suite 500
Dallas, TX 75206


Drew Gerard
Regional Practice Leader  
P: 1.480.282.5392

Houston, TX

12 Greenway Plaza
Suite 1100
Houston, TX 77046


Daniel Loo, CPP
Regional Practice Leader, Security Risk Consulting  
P: 1.480.250.9127

Irvine, CA

16441 Scientific Way
Suite 100
Irvine, CA 92618


Sean Miller, CFPS
Regional Practice Leader
P: 847.502.0446

Mexico City, Mexico

Blvd. Eusebio Kino No. 412-L3,
Col. Lomas Pitic, 83010
Hermosillo, Sonora, México


Alvaro Rodriguez
Director of Operations, Latin America 
P: 480.399.6989

Phoenix, AZ

Telgian Holdings, Inc.

10230 South 50th Place,
Suite 100
Phoenix, AZ 85044


Daniel Vandergriff
Executive Vice President, Operations 
P: 480.656.3121

Seattle, WA

20700 44th Ave. West #120
Lynnwood, WA 98036


Troy Wiltbank
Regional Practice Leader 
P: 480.626.9871

Toronto, Canada

PO Box 10219, STN A
Toronto, ON
M5W 0C9


Drew Gerard
Regional Practice Leader 
P: 480.282.5392

Wilmington, DE

4001 Kennett Pike
Suite 308
Wilmington, DE 19807


Drew Gerard
Regional Practice Leader 
P: 480.282.5392