Chemical additives for drilling muds; Chemical additives for oil well drilling fluids; Chemical additives for industrial use; Chemical preparations for use in industry; Chemicals for use in agriculture, except fungicides, herbicides, insecticides and parasiticides; Chemicals for use in industry and science; Chemicals used in industry; Chemicals used in oil drilling; Chemicals, namely, bulk chemical constituents for further general industrial manufacture; Chemicals for use in the field of oil exploration and production; chemicals used in agriculture and mining

Export and import agencies in the field of petrochemicals and chemicals; Wholesale services through direct solicitation by salespersons directed to end-users featuring petrochemicals and chemicals for use in oil and gas production by others