and Zensho Co., which offers beef bowl dishes at its Sukiya and Nakau restaurants. Zensho has used Australian beef as a substitute for U.S. beef.

Five companies said they will use U.S. beef "depending on the circumstance."

Restaurant chain operator Anrakutei Co. said it will decide after seeing "consumer trends and the quality and price of the beef."

Yakinikuya Sakai Co. said it will use U.S. beef when the quantity and price become stable.