N.J. Stat. Ann. § 34:11-56a10

A wage board shall have power to administer oaths and to require by subpoena the attendance and testimony of witnesses, the production of all books, records, and other evidence relative to matters under investigation. Such subpoena shall be signed and issued by the chairman of the wage board and shall be served and have the same effect as if issued out of the Superior Court. A wage board shall have power to cause depositions of witnesses residing within or without the State to be taken in the manner prescribed for like dispositions in civil actions in the Superior Court.