We have not had many outside links this term, but below is an example of smaller companies entering into competition with larger ones, a la BTS 2. Notice MetroPCS among the bigger names:

In the fall, Verizon Wireless will be firing up its 4G network in 25 to 30 cities, and probably will make a big deal of that. A smaller provider, MetroPCS Communications Inc., is scheduled to introduce its first 4G phone around the same time.

BTS 2: Memo, Integration Opportunity