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1
Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry.
chemical additives for use with drilling fluids; chemical additives for use in drilling, completion and workover of oil and gas wells; chemical preparations for use in treating, testing and compounding oil well drilling fluids and like mixtures; chemical substances for industrial use in drilling operations as additives of mud; surfactants and blends of surfactants used as defoaming agents, foaming agents, emulsifiers, water wetting chemicals, oil wetting chemicals, degreasers and cleaning detergents; viscosity and filtration control agent for use in oil and gas well drilling
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3
Bleaching preparations and other substances for laundry use; cleaning, polishing, scouring and abrasive preparations; soaps; perfumery, essential oils, cosmetics, hair lotions; dentifrices.
chemical preparations for use in the removal of dirt, lime, scum, scale, mortar, oil, grease, wax, ink, carbon, mildew, mold, grime and stain
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35
Advertising; business management; business administration; office functions
retail services through direct solicitation by salespersons directed to end-users featuring drilling fluid products, namely, condition chemicals and biopolymers for use in drilling and completion fluids in the oil and gas industry; retail services through direct solicitation by salespersons directed to end-users featuring drilling fluid products, namely, drilling fluids, completion fluids, water based muds, non-water based muds, paraffin based muds, synthetic based muds, paraffin based fluids, olephin based fluids, deepwater drilling fluids, underbalanced drilling fluids, brines, workover fluids, drilling fluids, lost circulation materials, stuck pipe additives, drilling muds, completion muds, oil based muds, ester based muds, olephin based muds, liquid and solid silicate based muds, ester based fluids, synthetic base fluids, vegetable base fluids, slim hole drilling fluids, air and foam drilling fluids, completion brines, penetration enhancers, viscosifiers, de-emulsifiers, hydrogen sulfide scavengers, fluid loss reducers, emulsifiers, surfactants, complexing agents, corrosion inhibiters, ph-control agents used in the oil and gas industry
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37
Building construction; repair; installation services
drilling of wells using drilling fluid systems comprising of chemical additives and preparations for use in treating, testing and compounding oil well drilling fluids and like mixtures
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42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software
drilling fluid services, namely, monitoring and testing of physical properties for operational functionality of drilling fluids; design of drilling fluid systems related to chemical additives and preparations for use in treating, testing and compounding oil well drilling fluids and mixtures