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.)
The antitrust laws, referred to in text, are defined in section 12 of this title.