Comcast issued their third quarter earnings this morning, which indicate that while growth has slowed slightly at the cable giant, the money continues to roll in thanks to a combination of rate hikes and customers adding additional services. The company recorded a quarterly profit of $944 million, up from $771 million one year earlier. The company added 361,000 net broadband subscribers and 375,000 VoIP net customers, lower than predicted growth on both fronts but still respectable in the eyes of Wall Street investors.

Respectable might be an understatement, given Comcast's quarterly broadband subscriber additions were more than double the combined total of Qwest, AT&T and Verizon on the quarter.

On the TV front, Comcast showed some impact from Verizon FiOS and AT&T U-Verse, losing a whopping 595,000 basic cable subs, only partially offset by an addition of 463,000 digital video subscribers. But Comcast video customers paid, on average, $66.84 a month — a total that's up 3% from 2008. Combined average revenue per subscriber for video, phone and Internet customers was $117, up 5.6%.

Unless you include AT&T's 3G customers, Comcast is now the largest broadband ISP in the nation. They're also the largest cable company, and given they just beat back a government-imposed restriction that would have capped their growth at 30% of all pay TV customers, the sky's the limit. Comcast is also now the third largest phone company. Collectively, they service 46.8 million voice, data and TV customers. This is of course all before the company acquires NBC Universal -- a deal that's expected to be wrapped up in short order.

Is there such a thing as Comcast getting too big?