CERTAIN MULTINATIONAL EXECUTIVES AND MANAGERS
More on this concept can be viewed in the section on "Intracompany Transferees - L-1 Visas".
It is a very important category for qualifying executives and managers of multinational corporations for a green card, because you do not need a Labor Certification. In other words, you need not show that there is a shortage of U.S. executives or managers who can do that job.
Also see "Conversion to Permanent Residence".