Any suit, action, or proceeding under the antitrust laws against a corporation may be brought not only in the judicial district whereof it is an inhabitant, but also in any district wherein it may be found or transacts business; and all process in such cases may be served in the district of which it is an inhabitant, or wherever it may be found.
 
  (Oct. 15, 1914, ch. 323, § 12, 38 Stat. 736.) 
   
    
 References in Text 
   The antitrust laws, referred to in text, are defined in section 12 of this title.