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Locations
Telgian Headquarters
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Phoenix, AZ
Telgian Holdings, Inc.
Headquarters10230 South 50th Place,
Suite 100, PhoenixF: 1.480.753.5450 Telgian Engineering & Consulting
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Irvine, CA
15642 Sand Canyon Ave
Suite 50188, Irvine, CAP: 847.502.0446Sean Miller, CFPS
Regional Practice Leader
smiller@telgian.com
P: 847.502.0446Atlanta, GA
TEC Headquarters
900 Circle 75 Parkway
Suite 680, Atlanta, GAF: 1.480.656.3114April Musser
Regional Practice Leader
amusser@telgian.com
P: 480-292-8033Chicago, IL
1020 N. Milwaukee Avenue
Suite 365, Deerfield, ILJames Antell
Regional Practice Leader
jantell@telgian.com
P: 312-978-6004Rich Mahnke
Regional Practice Leader
rmahnke@telgian.com
847-595-1161Detroit, MI
33300 5 Mile Road,
Suite 106, LivoniaF: 1.734.738.1112Daniel Vandergriff
Executive Vice President, Operations
dvandergriff@telgian.com
P: 480-656-3121Mexico City, Mexico
Blvd. Francisco Eusebio Kino
No. 412-L3,
Col. Pitic, Hermosillo, Sonora C.P.Alvaro Rodriguez
Regional Practice Leader
arodriguez@telgian.com
P: 480-399-6989Phoenix, AZ
Telgian Holdings, Inc.
Headquarters10230 South 50th Place,
Suite 100, PhoenixF: 1.480.753.5450Daniel Vandergriff
Executive Vice President, Operations
dvandergriff@telgian.com
P: 480-656-3121Seattle, WA
19009 33rd Avenue West
Suite 206, Lynnwood, WAF: 1.480.753.5450Troy Wiltbank
Regional Practice Leader
twiltbank@telgian.com
P: 480-292-8039Toronto, Canada
PO Box 10219, STN A
Toronto, ON
M5W 0C9F: 1.480.753.5451Drew Gerard
Regional Practice Leader
dgerard@telgian.com
P: 480-282-5392Washington, D.C.
2121 Eisenhower Ave.
Suite 200 Alexandria, VADaniel Vandergriff
Executive Vice President, Operations
dvandergriff@telgian.com
P: 480-656-3121Wilmington, DE
4001 Kennett Pike, Suite 308
Wilmington, DEF: 1.480.753.5450Drew Gerard
Regional Practice Leader
dgerard@telgian.com
P: 480-282-5392 Telgian Fire Safety
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Phoenix, AZ
Telgian Holdings, Inc.
Headquarters10230 South 50th Place,
Suite 100, PhoenixF: 1.480.753.5450