Comcast Tops Cable MSOs in Subscribers, Report Sayshttp://cs.entertainmentcareers.net/blogs/tvbiz/archive/2009/03/19/comcast-tops-cable-msos-in-subscribers-report-says.aspxComcast has the most cable MSO subscribers in the U.S.' top 40 markets, according to SNL Kagan’s “Cable MSO Ownership: A Geographic Analysis” report. Comcast’s MSO has more than 20 million subscribers, representing 49.7% of the market share in theenCommunityServer 2008.5 SP2 (Build: 40407.4157)