TOKYO, Oct 28 (Reuters) - About 20 companies from Japan

and the United States have shown interest in potential

investment projects forming part of a promised $550-billion

investment package, a factsheet issued by the two countries

showed on Tuesday.

The companies include SoftBank Group, Westinghouse

and the consortium of GE Vernova ( GEV ) and Hitachi ( HTHIF ),

the list of projects worth up to roughly $400 billion showed.