From Researching Virtual Initiatives in Education
A Megaprovider is a term coined by the MegaTrends project for a project which conforms to concrete and measurable indicators of the critical mass required for a "European Mega e-learning Provider" in the following four dimensions:
Note that e-learning programmes offered by multinational corporations to their European employees (often from a base in the United States of America) conformant to these requirements.
There is a list of Megaproviders by country at http://nettskolen.nki.no/in_english/megatrends/nominated.html#Country
Note that only providers offering some higher education provision fall within the scope of Re.ViCa.