Communication Services
| Current Investments | IPOs and M&As | |||
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Telecom revenue assurance and data integrity |  |
IPO (ALGX) 7/1/98 |
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IPO (PCS) 4/19/2007 |
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IPO (CBEY) |
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Flat rate, unlimited use wireless voice and data services |  |
Acquired by Nextel Communications |
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Advanced voice and data transport backhaul solutions for wireless carriers |  |
IPO (FAXX) 10/17/96 |
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Metro fiber roll-up company |  |
IPO 7/28/99 |
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Acquired by Nextel Communications |
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Acquired by Nextel Communications |
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Acquired by American Tower |
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Acquired by Nextlink |
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Acquired by Level 3 Communications |
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