Baroid Drilling Fluids, Inc.
PO Box 1675 (77251)
3000 N Sam Houston Pkwy E
Houston, TX 77032
TEL  877-379-7412
TEL  281-871-4613
FAX  281-871-4621
www.baroididp.com

Bentonite Performance Minerals 
TEL 281-871-7900 
FAX 281-871-7940 
www.bentonite.com

Cetco
2870 Forbs Avenue
Hoffman Estates, IL 60192 
TEL 800-527-9948
FAX 847-506-6195
www.cetco.com

Georgia Underground 
5158-G Kennedy Road 
Forest Park, GA  30297 
TEL 404-675 -7999  
FAX 404 -675-7998 
www.georgiaunderground.com

Inrock Equipment Systems, Inc.
6000 Brittmoore Dr. 
Houston, TX 77041 
TEL 713-690-5600 
FAX 713-690-8300 
www.inrock.com

Kem-Tron, Inc.
10404 B Cash Road
Stafford, Texas 77477
TEL 888-KEMTRON  
TEL 281-261-5778
FAX 281-499-4080
www.kemtron.com

M-I SWACO
5950 North Course Drive
Houston, TX 77072 
TEL 601-649-1500 
Cell 601-498-6203
www.drilling-fluids.com

Wyo-Ben, Inc. 
1345 Discovery Drive 
Billings, MT 59102 
TEL 800-548-7055
TEL 406-652-6351 
FAX 406-656-0748
www.wyoben.com