- Acti Systems Inc
- Advance America
- Akome Co
- Allied Drilling Fluids Inc
- AMBAR Inc
- AMBAR Inc
- AMBAR Inc
- Ambar Inc
- AMBAR Lone Star
- AMBAR Lone Star Fluid Svc
- AMBAR Lone Star Fluid Svc
- AMBAR Lone Star Fluid Svc
- Ambar Lone Star Mud Inc
- Ambar Lone Star Mud Inc
- AMBAR Lonestar
- Ambar Lonestar
- Ambar Lonestar
- American Drilling Fluids
- American Drilling Fluids Inc
- Anchor Drilling Fluids
- Anchor Drilling Fluids
- Anchor Drilling Fluids USA Inc
- Anchor Drilling Fluids USA Inc
- Anchor Drilling Fluids USA Inc
- Anchor Drilling Fluids USA Inc
- Anchor Drilling Fluids USA Inc
- Anchor Drilling Fluids USA Inc
- Anchor Drilling Fluids USA Inc
- Artesia Lumber Co
- Baker Hughes Inteq
- Baker Hughes INTEQ
- Baker Hughew Inteq
- Bar-Chem Mud Co
- Baroid
- Baroid Drilling Fluids Inc
- Baroid Drilling Fluids Inc
- Baroid Drilling Fluids Inc
- Baroid Drilling Fluids Inc
- Baroid Drilling Fluids Inc
- Baroid Drilling Fluids Inc
- Baroid Drilling Fluids Inc
- Baroid Drilling Fluids Inc
- Baroid Drilling Fluids Inc
- Baroid Drilling Fluids Inc
- Baroid Drilling Fluids Inc
- Baroid Drilling Fluids Inc
- Baroid Drilling Fluids Inc
- Baroid Drilling Fluids Inc
- Basic Energy Svc
- Beasley Drilling Fluids
- Beasley Drilling Fluids
- Black Hills Lignite
- Boelens' Well Svc
- Boysenblue Celtec Intl Inc
- Buckeye Inc
- C & R Trucking
- California Drilling Fluids
- Celstar Inc
- Champion Drilling Fluids
- Chemstar Products
- Chemstar Products Co
- Cimarron Drilling Fluids LLC
- Coastal Drilling Fluids
- Completion Fluids Intl Inc
- Conquest Drilling Fluids Inc
- Corpus Christi Brine Svc
- CTL Sales Inc
- D & M Drilling Fluids
- Dane Chemco Inc
- Degussa Oil Well Polymers
- Delta Drilling Products & Svc
- Densimix Inc
- Densimix Inc
- Dixie Drilling Fluids Inc
- Dombar Mud Inc
- Drilling Fluids Technology
- Drilling Specialties Co
- Duke's Mud Inc
- Dynamic Drilling Fluids
- Dynamic Drilling Fluids Inc
- ECO Fluids Inc
- ECO Fluids Inc
- Energy & Environmental Svc
- Energy Fluids
- Energy Fluids Inc
- Environmental Drilling Tech
- Floridan Co
- Fluids Management
- Fluids Management
- Fluids Management Inc
- Fort Bend Mud
- Francis Drilling Fluids
- Francis Drilling Fluids
- Francis Drilling Fluids LTD
- Francis Drilling Fluids LTD
- Frontier Mud Svc Inc
- Frontier Research & Chemical
- Fuller Mud Co
- General Sun West Mud Co
- General Sun West Mud Co LLC
- General Supply Co
- General Supply Co
- Geo Resources Inc
- Greenco Mud & Rental Co
- Grinding & Sizing Co
- Halliburton Energy Svc
- Halliburton Energy Svc
- Halliburton Fluid Svc
- Hardin International Inc Mud
- Horizon Mud Co
- Houghton Offshore
- Houghton Offshore
- Houghton Offshore
- Hy Tech Inc
- Ibex Chemicals Inc
- Ibex Chemicals Inc
- IDL Inc
- IDL Inc
- IMCO Svc
- Imperial Drilling Fluids
- Imperial Mud Co
- Integrity Industries Inc
- J & J Specialty Products Inc
- Jack Coiner II Mud Co
- KBD Specialty Chemicals
- Kelco Oil Field Group
- Kelco Oil Field Group
- Kevin Parrack
- Langham Creek Mud
- Langham Creek Mud
- LCS Intl Inc
- Liquid Mud Sales & Barges Inc
- Lone Star Distribution Inc
- Lonestar Distribution Inc
- Lost Circulation Specialist
- M & S Consultants Inc
- M I Drilling Fluids
- M I Swaco
- M-I
- M-I Drilling Fluids Co
- M-I LLC
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-I Swaco
- M-Illc
- Maggobar Mixing Plant
- Martin Midstream
- Mayco Chemical Products Inc
- Mayco-Wellchem
- Mayco-Wellchem
- Mc Ada Drilling Fluids Inc
- Mc Ada Drilling Fluids Inc
- Mc Carley Oil Corp
- Mc Cord Testing Equipment
- MCADA Drilling Fluids Inc
- Mid Continent Completion
- Midwestern Mud Svc
- Midwestern Mud Svc
- Midwestern Mud Svc Inc
- Midwestern Mud Svc Inc
- Midwestern Mud Svc Inc
- MILLC
- Millpark Drilling Fluids
- Millpark Drilling Fluids Inc
- Milpark Drilling Fluids
- Milpark Inc
- Morgan Mud Inc
- Mud Mart Inc
- Mud Services Inc
- Mud-Co Service Mud Inc
- Mud-Co Svc Mud Inc
- Mudsaver Inc
- Mudsmith Limited
- Mustang Drilling Fluids
- N L Industries Inc
- Nafta Mud Inc
- New Park Drilling Fluids
- New Park Drilling Fluids Inc
- Newpark Drilling Fluids
- Newpark Drilling Fluids
- Newpark Drilling Fluids
- Newpark Drilling Fluids
- Newpark Drilling Fluids
- Newpark Drilling Fluids
- Newpark Drilling Fluids
- Newpark Drilling Fluids
- Newpark Drilling Fluids
- Newpark Drilling Fluids
- Newpark Drilling Fluids
- Newpark Drilling Fluids
- Newpark Drilling Fluids
- Newpark Drilling Fluids LLC
- Northwest Hulls
- Northwest Hulls LLC
- Nova Mud
- Oklahoma Custom Coating
- Omni Fluids Co
- OSCA-Bj Svc Co
- Ozark Mud & Chemical Inc
- Quality Liquid Mud Svc Inc
- Raymond Technologies Inc
- Reeves Oil Field Sales
- Reeves Oil Field Sales
- Reynolds Mud & Supply
- Riggs Irrigation Mud & Chem
- Rocky Mountain Fluid Tech
- Sam Jones & Assoc Inc
- Service Mud Inc
- Specialty Drilling Fluids
- Steve's & Jimmie's Car & Truck
- Strata Control Svc Inc
- Sulfa Treat Co
- Sun Drilling Products Corp
- Sun West Mud Co
- Sun West Mud Co
- Sun West Mud Co
- Sunwest Mud
- Synergy Fluids Inc
- Tetra Resources
- Texa-Chem Specialties
- Texas Brine Co
- Thompsons True Test
- Tiger Mud Co
- Turbo Drilling Fluids Inc
- Venture Mud Corp
- Venture Mud Corp
- Weldril Products
- Wes Van Mud & Chemical Co
- West Texas Drilling Fluids Inc
- Z-S Water Line Co Inc
- Zarsky Inc
- Zarsky Oilfield Svc Inc