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

and the U.S. have expressed interest in projects that could

contribute to Tokyo's commitment to invest $550 billion in the

United States as part of a trade agreement, a factsheet by the

two countries showed on Tuesday.

U.S. President Donald Trump in July agreed to implement

lower tariffs on Japanese automobile imports and other products

in a deal that included a commitment to $550 billion of Japanese

investment in U.S. projects.

Companies interested in taking part include SoftBank Group

, Mitsubishi Electric ( MIELF ) and Hitachi ( HTHIF ),

according to the list of possible projects.

The list, which covers areas including energy, AI

infrastructure and critical minerals, says it could represent

some $400 billion in investment.

Japan has said its investment package would include equity,

loans and loan guarantees from state-owned agencies.

The list was published after President Donald Trump met with

Japanese Prime Minister Sanae Takaichi in Tokyo on Tuesday,

inking deals covering trade and rare earths.

Westinghouse is looking at building pressurized water

reactors and small modular reactors totalling up to $100

billion, with Japanese firms such as Mitsubishi Heavy Industries ( MHVYF )

, Toshiba and IHI potentially involved.

GE Vernova ( GEV ) could build small modular reactors and

supply power equipment with the involvement of Japanese

companies.

SoftBank, whose founder and CEO Masayoshi Son has met with

Trump, is interested in a $25 billion project to develop

large-scale power infrastructure, according to the list.

Carrier could supply thermal cooling systems for

power infrastructure and involve Japanese companies and

Panasonic ( PCRFF ) could build energy storage systems.

Other interested firms include Murata, TDK

and Fujikura ( FKURF ).