In Roland Co. v. Walling, 326 U.S. 657, 66 S.Ct. 413, 90 L.Ed. 383 (1946), the Court held inter alia that a business engaged in commercial wiring, electrical contracting for industry, and repair and replacement of electric motors and generators did not constitute a "retail or service establishment."
Five or more persons, a majority of whom shall be residents of this state, may form a company for the purpose of constructing, maintaining and operating a bridge or bridges and approaches thereto for the public use. N.J.S. § 48:5-1