Many other firms such as Sony, Matsushita, Dell, HP, Walt Disney, Hitachi, LG, Mitsubishi, Pioneer, Philips, Samsung, Sharp, TDK and many more support the Blu-ray standard.
Toshiba, NEC and some other companies support another next-gen DVD format: HD DVD. But as more and more huge companies prefer Blu-ray over HD DVD it's almost sure that HD DVD won't become the next DVD standard.
A spokesman for the BDA said the Blue-ray disc’s capacity will be five times larger than today's DVD’s. A single-layer Blu-ray Disc can hold up to 25 gigabytes of data and a double-layer Blu-ray Disc can hold up to 50 gigabytes of data. Current DVDs have a limited capacity of 4.7 gigabytes on single-layer discs and 8.5 gigabytes on dual-layer discs.Read more at Earth Times