Top Telecom Companies | Rank | Company | Revenue | Net Income | Employees | | 1 | Nextel Communications Inc. | 8,721,000 | 1,386,000 | 15,000 | | 2 | XO Communications Inc. | 1,259,853 | (3,386,818) | 4,900 | | 3 | Acterna Corp. | 1,132,661 | (374,893) | 4,100 | | 4 | Primus Telecommunications Group Inc. | 1,024,056 | (34,603) | 2,181 | | 5 | NII Holdings Inc. | 780,373 | - | 3,525 | | 6 | Metrocall Holdings Inc. | 406,272 | - | 1,945 | | 7 | Ciena Corp. | 361,155 | (1,597,499) | 2,118 | | 8 | Talk America Holdings Inc. | 317,507 | 97,062 | 992 | | 9 | Savvis Communications Corp. | 236,004 | 13,932 | 825 | | 10 | AT&T Latin America Corp. | 165,593 | (1,102,510) | 985 | | 11 | TeleCommunication Systems Inc. | 92,045 | (17,838) | 480 | | 12 | LCC International Inc. | 67,069 | (28,670) | 550 | | 13 | Visual Networks Inc. | 61,461 | 3,406 | 158 | | 14 | Cogent Communications Group Inc. | 51,913 | (91,843) | 204 | | 15 | Opnet Technologies Inc. | 44,756 | 4,500 | 268 | | 16 | Corvis Corp. | 20,208 | (507,760) | 530 | | 17 | AceComm Corp. | 18,094 | (3,988) | 130 | | 18 | Optelecom Inc. | 14,908 | 1,644 | 61 | | 19 | Essex Corp. | 4,506 | (2,174) | 100 | |