Industries / Telecommunications

Ciena Corp.
Annual Revenue: $427.3 million
Post 200 Category: Top 100 Companies

Cogent Communications Group Inc.
Annual Revenue: $135.2 million
Post 200 Category: Top 100 Companies

Essex Corp.
Annual Revenue: $159.8 million
Post 200 Category: Top 100 Companies

InPhonic Inc.
Annual Revenue: $320.5 million
Post 200 Category: Top 100 Companies

LCC International Inc.
Annual Revenue: $194.0 million
Post 200 Category: Top 100 Companies

NII Holdings Inc.
Annual Revenue: $1.7 billion
Post 200 Category: Top 100 Companies

Opnet Technologies Inc.
Annual Revenue: $64.2 million
Post 200 Category: Top 100 Companies

Optelecom-NKF Inc.
Annual Revenue: $33.9 million
Post 200 Category: Top 100 Companies

Primus Telecommunications Group Inc.
Annual Revenue: $1.2 billion
Post 200 Category: Top 100 Companies

RCN Corp.
Annual Revenue: $561.0 million
Post 200 Category: Top 100 Companies

Sprint Nextel Corp.
Annual Revenue: $34.7 billion
Post 200 Category: Top 100 Companies

TeleCommunication Systems Inc.
Annual Revenue: $102.2 million
Post 200 Category: Top 100 Companies

USA Mobility Inc.
Annual Revenue: N/A
Post 200 Category: Top 100 Companies

Verizon Communications Inc.
Annual Revenue: $75.1 billion
Post 200 Category: Top Companies Headquartered Outside Region

XO Holdings Inc.
Annual Revenue: $1.4 billion
Post 200 Category: Top 100 Companies