Bentonite Members

AMERICAN COLLOID COMPANY

www.colloid.com

BELLE/COLONY OPERATIONS
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

(307) 548-6521
(307) 548-6413

POWELL, WY OFFICE
822 Road 6
Powell, WY 82435

BENTONITE PERFORMANCE MINERALS LLC

COLONY OPERATIONS
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

(307) 548-2271 phone
(307) 548-6340 phone

BLACK HILLS BENTONITE, LLC

www.bhbentonite.com

MILLS WYOMING OFFICE
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

(307) 765-4496 phone
(307) 765-9507 fax 

MAIN OFFICE
5950 North Course Drive
Houston, TX 77072

(832) 295-2354 phone

WYO-BEN INC.

CORPORATE OFFICE
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

(307) 548-6577 phone
(307) 548-6792 fax

STUCCO PLANT
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

(307) 224-5114 phone