Telecommunications
- AT&T
- Verizon
- Qwest
- XO
- CenturyLink
- Norlight
- Time Warner
- MCI
- TDS Telecom
|
Consultancies
- IBM
- Cisco Systems
- Deloitte Consulting
- Mckinsey & Company
- Morgan Stanley
- Ericsson
- Booz Allen Hamilton
- Altman Vilandrie & Co
|
State and Local Government
- State of New York
- FCC
- Federal Government Agencies
- State of Arkansas
- Westchester Co, NY
- Hudson Co, NJ
- Orange Co, CA
- City of Oakland, CA
- City of Orlando, FL
- State of Illinois
|
Universities
- Geo. Mason University
- University of Florida
- Virginia Commonwealth University
- Ohio State University
- Virginia Tech
- University of Denver
- University of Colorado
- University of Oklahoma
|
Wireless
- Verizon Wireless
- Sprint
- American Tower
- Fiber Tower
- Towersource
- Pinnacle Wireless
- Open Range
- TowerCo
|
Enterprise
- Nokia-Siemens
- Citigroup
- Trammell Crow
- MW Zander
- Google
- Terremark
- JP Morgan Chase
- General Electric
- Boeing
|
GeoTel Communications Charitable Involvement:

|