- Frontier-Kemper Constructors, Inc.
A leader in the underground mining construction industry for over thirty years, Frontier-Kemper Constructors develops underground mines for coal, salt, copper, and other minerals throughout North America.
http://www.frontierkemper.com/
(Added: Sat Oct 09 2004Hits: 64) - Shaft Drillers International
Shaft Drillers International (SDI) is owned and operated by the principals of North American Drillers (NAD). These two world leaders have set themselves apart from the competition by systematically developing new technology and consistently meeting customer cost requirements. Currently, SDI and NAD provide the global mining and civil markets with shafts approaching 6.0 m (20.0') in diameter.
http://www.shaftdrillers.com/
(Added: Sat Jun 12 2004Hits: 39) |
