Peerialism’s product for video distribution over internet – PeerTV – enables content owners to distribute better quality video at significantly lower cost to many more viewers. Cost savings are between 50% to 90% depending on network conditions whilst the maximum number of simultaneous viewers is almost limitless.
Product features:

Diagram 1. U.S. Internet video traffic increase between 2000 and 2007. (Source: Cisco, 2007, "The Exabyte Era")
PeerTV has been acquired by MPS Broadband AB. Please contact them for further commercial discussions.
PeerNet helps broadband operators to minimize network traffic by making better use of the existing infrastructure. Large and popular content files are temporarily stored and distributed from local P2P-caches in the access networks, reducing peak traffic loads on weak links further up in the network.
Product features:

Diagram 2. Decrease in link load from using locality aware P2P. (Source: H. Xie, A. Krishnamurthy, 2007, "P4P: Explicit Communications for Cooperative Control Between P2P and Network Providers")
The P2P Components are tools to build and analyze p2p networks: