| 1963 | Company founded with the purchase of 1,200-subscriber cable system in Tupelo, MS |
| 1972 | First public stock offering |
| 1986 | Comcast doubles in size to 1.2 million cable customers with the purchase of 26% of Group W Cable |
| 1988 | Company purchases 50 percent of Storer Communications, Inc., making Comcast the fifth largest cable operator |
| 1994 | Acquires Maclean Hunter’s U.S. cable operations, adding 550,000 customers |
| 1995 | Acquisition of E.W. Scripps cable systems adds 800,000 customers to Comcast’s subscriber base |
| 1997 | Microsoft invests $1 billion in Comcast |
| 1998 | Comcast adds over 1.5 million subscribers by acquiring Jones Intercable, Inc. (1.1 million) and Prime Communications (406,000) |
| 2000 | Lenfest Communications, Inc. acquired, adding 1.3 million cable subscribers
Co-founder Ralph J. Roberts inducted into the Cable Hall of Fame |
| 2001 | Comcast completes the acquisition of select AT&T Broadband cable systems in six states adding 595,000 customers |
| 2002 | HD television and video-on-demand service are now available
Comcast serves 21 million video customers in 38 states, with 6.3 million digital video customers, 3.3 million high-speed data customers, and 1.3 million cable phone subscribers
Co-founder Daniel Aaron inducted into the Cable Hall of Fame |
| 2003 | Co-founder Julian Brodsky inducted into the Cable Hall of Fame |
| 2004 | Comcast introduces new Video Mail feature |
| 2005 | Digital Voice service now available
Comcast acquired the cable systems of Susquehanna Communications and gains 225,000 video subscribers |
| 2006 | Joint venture with Time Warner dissolves, Comcast received systems in Houston, TX, gaining 1.7 million subscribers
Comcast formed Business Services and launched Internet and voice services for small businesses with less than 20 employees. Annual revenue for 2006 was $265 million.
Brian L. Roberts inducted into the Cable Hall of Fame |
| 2007 | Patriot Media acquired, Comcast gains 81,000 video subscribers
Comcast extended its offering for small businesses and launched video service. |
| 2008 | Comcast announces eight billion On Demand views
Comcast launched a new speed tier for Business Internet, offering customers download speeds of 50 Mbps and upload speeds of 10 Mbps.
Comcast received both the Metro Ethernet Forum (MEF) 9 and 14 certifications.
Comcast activated its first cell backhaul tower. |
| 2009 | Xfinity™Internet 2go wireless service now available
Comcast launches a 100Mbps Internet speed tier for businesses.
Comcast received Microsoft’s Communications Sector Partner of the Year award. |
| 2010 | Comcast acquired New Global Telecom, one of the nation’s largest providers of wholesale hosted and trunk-based VoIP solutions, bringing advanced business voice applications to Comcast.
Comcast acquired CIMCO, a CLEC with 2,300 business customers and a company with expertise in mid-market solutions.
Comcast became the first MEF 18 certified provider in the world.
Comcast Business Services surpassed $1B in annual revenues. |
| 2011 | Comcast announced that its Business Ethernet services were available in 20 markets across the country.
Comcast launched its Solution Provider program to give key industry solution providers access to Comcast services for their customers. |