Its corporate rating was upped to B3, as wasits probability of default rating.

The secured loan rating was increased to B2,with a stable outlook.

Moody’s said the company had enjoyed a steadyoperating performance through 2013, with ship utilisation high.

“We arevery pleased with this upgrade as it demonstrates USSC’s commitment toimproving the financial strength of the company,” said CFO Albert Bergeron.

The New Jersey owner has seven ships, including Jones Act productstankers and articulated tug barges.