Contact Us



Physical Address

The Gusa Mine Site

Address:
16 Garnet USA Loop
P.O Box 161
Alder, MT 59710

Office Phone:
(406) 842-7829

Operations: 
(406) 842-7829 

Sales:

(832) 243-9300
petem@gmaamericas.com

GMA Garnet USA
(Houston Location)

Address:
1800 Hughes Landing, Ste. 350
The Woodlands, TX 77380