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| TBC-Brinadd Developer, manufacturer and marketer of drilling, completion and workover fluids for the upstream business of the oil and gas industry. | |
| Baker Hughes Drilling Fluids Suppliers of Completion Brine Fluids (CBF), engineering and quality control/assurance services to the oil and gas exploration and recovery industry. | ||
| Ultra Seal Drilling Fluid Additive Effectively seals well formations to control differential sticking and prevent loss circulation problems. | ||
| Polywater Corporation Manufacturer of lubricants, including HoleShot B, cleaners and chemicals | ||
| Baroid Drilling Fluids Manufactures, sells and services drilling and completion fluid products and systems for the exploration and production of oil and natural gas. | ||
| Mayco WellChem, Inc. Based in Texas. Providers of additives and systems for drilling, workovers, completions and stimulations. | ||
| Setac Chemical Corporation Manufactures and markets oil and gas well drilling fluid additives | ||
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