Nos. 06-1881, 06-1917. Argued September 25, 2007. Decided December 7, 2007. On Petition for Review and Cross-Application for Enforcement of an Order of the National Labor Relations Board. (9-CA-40915; 9-CA41191; 9-CA-41291; 9-CA-41338). ARGUED: Grant T. Pecor, Nantz, Litowich, Smith, Girard Hamilton, Grand Rapids, Michigan, for SNE Enterprises, Inc. David A. Seid, National Labor Relations Board, Washington, D.C., for the Board. ON BRIEF: Ronald Meisburg, General Counsel, John E. Higgins, Jr., Deputy