Company name north of Yellowknife?

Question

The company name begins with Snow. It is a diamond mine.

Answer 1

at a place called Snap Lake. The property was acquired in 2000 by the South African diamond-mining giant, De Beers.

Diavik Diamond Mine was completed in early 2003

The Snap Lake Diamond Project, located approximately 220-km northeast of Yellowknife, is 100 percent owned by De Beers and, once constructed, will be the first entirely underground diamond mine in Canada