35 Sales of valve equipment and particulate separation equipment; sales of valve equipment and particulate separation equipment in the oil and gas industry, sales of monitoring equipment and software for valve equipment and particulate separation equipment; Operation of a web site featuring sales, rentals, training, and news in the field of the control of fluid flow and pressure, and the separation of particulates from fluid flows, and the manufacturing of equipment and software used in the oil and gas industry, and orientation and training for well operators, namely, for the use of valve equipment, and particulate separation equipment used in the oil and gas industry, and integrity testing of valve equipment and particulate separation equipment used in the oil and gas industry, and well site servicing in the oil and gas industry, namely, for the control of fluid flow, control of pressure and the removal of particulates flowing from a wellhead