MILWAUKEE - A Wisconsin federal magistrate judge on May 23 refused to dismiss state wage-and-hour claims filed by janitorial workers after finding that supplemental jurisdiction was justified under the efficiency rationale (Vicente Martinez, et al. v. Regency Janitorial Services, Inc., et al., No. 11-C-259, E.D. Wis.; 2012 U.S. Dist. LEXIS 71635).