March 22 (Reuters) -

Southwest Gas Holdings ( SWX ) unit Centuri Holdings plans

to go public in the United States, the infrastructure services

company said in a filing on Friday.

Centuri, which builds and maintains energy networks that

power millions of homes and businesses across the U.S. and

Canada, did not disclose the size of the offering in its filing.

The 110-year-old company plans to list on the New York Stock

Exchange under the symbol "CTRI".

UBS Investment Bank, BofA Securities, J.P.Morgan and Wells

Fargo are among the underwriters for the offering.

(Reporting by Mehnaz Yasmin in Bengaluru; Editing by Devika

Syamnath)