The service department's prominent customer base consists of numerous telecommunications and high-tech companies, property managers, federal government agencies, colleges and universities, and major health care institutions, including:
AT&T
Amazon.com
Capital One
Celera Genomics
Cingular Wireless
FEMA
Goddard Space Center
Homeland Security
MCI WorldCom
National Gallery of Art
National Geographic
National Institutes of Health
Nextel
SBC Communications
Securities and Exchange Commission
Smithsonian Institution
Sprint
VeriSign
Verizon
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