AMERICAN COLLOID COMPANY
BELLE/COLONY OPERATIONS
P.O. Box 2010
Belle Fourche, SD 57717
P.O. Box 2010
Belle Fourche, SD 57717
(605) 892-6371 phone
(605) 892-3178 fax
LOVELL OPERATIONS
P.O. Box 428
Lovell, WY 82413
P.O. Box 428
Lovell, WY 82413
(307) 548-6521
(307) 548-6413
POWELL, WY OFFICE
822 Road 6
Powell, WY 82435
822 Road 6
Powell, WY 82435
BENTONITE PERFORMANCE MINERALS LLC
COLONY OPERATIONS
554 US HWY 212
Belle Fourche, SD 57717
554 US HWY 212
Belle Fourche, SD 57717
(307) 896-2596 phone
(307) 896-4588 fax
LOVELL OPERATIONS
P.O. Box 547
Lovell, WY 82431
P.O. Box 547
Lovell, WY 82431
(307) 548-2271 phone
(307) 548-6340 phone
BLACK HILLS BENTONITE, LLC
MILLS WYOMING OFFICE
P.O. Box 9
Mills, WY 82644
P.O. Box 9
Mills, WY 82644
(307) 265-3740 phone
(307) 235-8511 fax
M-I SWACO
GREYBULL, WY MINE
P.O. Box 832
Greybull, WY 82426
P.O. Box 832
Greybull, WY 82426
(307) 765-4496 phone
(307) 765-9507 fax
MAIN OFFICE
5950 North Course Drive
Houston, TX 77072
5950 North Course Drive
Houston, TX 77072
(832) 295-2354 phone
WYO-BEN INC.
CORPORATE OFFICE
P.O. Box 1979
Billings, MT 59103-1979
P.O. Box 1979
Billings, MT 59103-1979
(406) 652-6351 phone
(406) 656-0748 fax
SAGE CREEK PLANT
P.O. Box 115
Lovell, WY 82431-115
P.O. Box 115
Lovell, WY 82431-115
(307) 548-6577 phone
(307) 548-6792 fax
STUCCO PLANT
P.O. Box 1072
Greybull, WY 82426-1072
P.O. Box 1072
Greybull, WY 82426-1072
(307) 765-4446 phone
(307) 765-2664 fax
TOLSA WYOMING BENTONITE
12050 Bucknum Road, #1
Casper, WY 82604
Casper, WY 82604
(307) 224-5114 phone
