Below are some PLC/BPL solution providers who provide complete PowerLine networking implementations which covers complete villages, buildings or between building connectivity.

CURRENT's Smart Grid Services are for electric utility applications that enable real time management of the electric grid

Ilevo is part of Schneider Electric and offers solutions based on DS2's 200 Mbps chipset providing an Electrical Local Loop

Designs and implement high quality PLC equipments

Uses their PLUS (Power Line Ultimate System) solution for all aspects of PLC connectivity.

Uses their own Telkonet iWire System for complete building connectivity (Indoor solutions only)

Utility and Multi-Dwelling Unit (MDU) solutions

Motorola Canopy solutions