Our corporate offices and 24-7-365 Network Operations Center are located in suburban Chicago's I-88 High Tech Corridor at:

ExteNet Systems, Inc.
3030 Warrenville Road
Suite 340
Lisle, IL 60532
Phone: (630) 505-3800
Fax: (630) 577-1332
NOC: (866) 892-5327

For a map with directions to our headquarters in Lisle, please click here.


Our other offices are located at:
California
2678 Bishop Drive
Suite 101
San Ramon, CA 94583		Maryland
4601 Presidents Drive
Suite 250
Lanham, MD 20706		Canada
468 St- Jean
Montreal, Quebec
H2Y 2S1

Key email addresses:
East: saleseast@extenetsystems.com
Central: salescentral@extenetsystems.com
West: saleswest@extenetsystems.com
Federal: salesfederal@extenetsystems.com
Outdoor DAS: das@extenetsystems.com
Indoor DAS: inbuilding@extenetsystems.com
News Media: news@extenetsystems.com
Municipal Relations: municipal@extenetsystems.com
Human Resources: hr@extenetsystems.com
NOC: noc@extenetsystems.com