Re-ranked by oldest: 1. Verizon Communications Inc. | Year founded: 1870 2. Cox Communications Inc. | Year founded: 1962 3 (tie). OSHEAN Inc. | Year founded: 1999 3 (tie). Towerstream Corp. | Year founded: 1999 The complete list is available for purchase online. For information about participating in PBN’s Top Lists, or to make additions
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