engineering services, instrumentation, valves, pumps, catering and hospitality appliances, serving equipment, business process consultancy, power tools or accessories, hoses, finishing processes or surface preparation, test and measurement instrumentation, asset management, linear cable laying engines, generator control systems, coiled tubing, climate controlled enclosures, feasibility studies, functional fluids to specification, foodservice equipment, steam injection gages available from national oilwell inc based in galena park, tx. click the links below to visit our website or contact us via our profile page.