CONTACT US  
Government Sales
Washington DC Office:
13873 Park Center Rd.
Suite 400 N
Herndon, VA  20171-3223

Phone:  (571) 323-5200

Fax:       (703) 991-7567
MANAGEMENT & ADMINISTRATION

DENNIS G. DEFENSOR, President
Phone: (703) 409-8136                   
dennis.defensor@tkcis.com

DAVID W. HOY, Senior Vice President & COO
Phone: (571) 723-4255                   
david.hoy@tkcis.com

JOEL LIPKIN, Senior Vice President - GSA & Systems Integration
Phone: (703) 472-5774                   
joel.lipkin@tkcis.com

JOHN SHUTT,  Vice Pesident of Finance        
Phone: (571) 323 5708                  
john.shutt@tkcis.com
Corporate Office  
Anchorage, AK Office:
3201 C Street,
Suite 400C
Anchorage, AK 99503-3967