| XO Ranked as #5 U.S. Business Ethernet Service Provider by Vertical Systems Group in its year end 2011 U.S. Business Ethernet Leaderboard. | |
| XO Enterprise Cloud Security awarded 2011 NGN Leadership Award | |
| XO Communications Recognized by Frost & Sullivan for Dedicated Internet Access Services Leadership | |
| XO Enterprise Cloud Communications awarded 2010 Communications Solutions Product of the Year Award | |
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XO Communications Recognized by Frost & Sullivan as Leading North American VoIP and SIP Trunking Services Provider | |
| XO Enterprise SIP awarded 2010 NGN Leadership Award. | |
| XO Communications Recognized by CIO Magazine as a 2010 CIO 100 Award Honoree. | |
| XO® Enterprise SIP named 2009 Product of the Year by Technology Marketing Corporation (TMC) INTERNET TELEPHONY magazine | |
| XO Communications Recognized by CIO Magazine as a CIO 100 Award Honoree. | |
| 2009 Top 50 Inbound Teleservices Agencies Ranking Announced by Customer Interaction Solutions Magazine. | |
| XO Communications recognized by Frost & Sullivan as an Emerging Company of the Year. Honored for MPLS IP-VPN Strengths and Early Investments to Expand Nationwide Ethernet Coverage | |
| XO Anywhere unified communications named 2008 Product of the Year by Technology Marketing Corporation (TMC) INTERNET TELEPHONY magazine | |
| Winner, 2008 Telephony Innovation Award for Most Innovative Fixed Mobile Convergence Service, XO Anywhere | |
| XO named among top 10 service providers on the cutting edge in 2008 by FierceTelecom | |
| XO Ranks #27 on 2008 InformationWeek 500 | |
| XO Ranked in Phone+ Top 50 Channel Program, 2008 | |
| Winner, NXTComm Eos Award for Best Backbone/Core Network, 2007 | |
| ATLANTIC-ACM, Best-in-Class Wholesale Carrier Awards for Best Representatives, Billing, Voice Product Price and Data Product Price, 2008 | |
| CISCO IP Innovator of the Year at Comptel Plus 2008 Spring Expo | |
| ATLANTIC-ACM, Best-in-Class Wholesale Awards for Best Wholesale VoIP and Integrated Access/PRI Services, 2007 | |
| ATLANTIC-ACM, Best-in-Class Wholesale Excellence Awards for Data Services and Quality of Sales Force, 2007 | |
| Telecom Association, Members Choice Award for VoIP Services, Top VoIP Service Provider for Partner Community, 2007 | |
| Internet Telephony 2007 Product of the Year Award for XO SIP | |
| Finalist, Metro Ethernet Forum Carrier Ethernet Service Provider of the Year, 2007 | |
| Telephony, Telephony Award for Innovative Service for Small to Medium Businesses, 2007 | |
| Light Reading, Finalist for North American Ethernet Service Provider of the Year for Innovation, 2007 | |
| Light Reading, Leading Lights Award Finalist for Best New Service – High Speed DIA with Ethernet over Copper, 2007 | |
| Internet Telephony, Excelence Award for XOptions Flex, 2005 |




































