All Engineering/EPC/EPCM in United States

Huguenot Labs Verified

Heyl & Patterson Equipment

MWH Global

Redwave Solutions-US LLC

SpinTek Filtration, Inc.

Costmine

Independent Mining Consultants, Inc.

OTR OnSite

Parsons

GEI Consultants, Inc.

Geokon

Krech Ojard & Associates, Inc.

TPD