WilTel Communications
（重定向自WilTel）
WilTel Communications (formerly known as Williams Communications, which was formerly part of The Williams Companies, Inc) is a telco and Tier 2 Internet Service Provider with its own MPLS-enabled OC-192 optical wave division multiplexing backbone network. Its other products and services include IP VPNs, Private Line services (protected and unprotected), colocation, Ethernet-based wide area networking, ATM and Frame Relay network services. The company was acquired by Level 3 Communications in December 2005 for roughly $800 million in cash and stock. This is Wiltel 2.0 not the original that was bought by Worldcom.