National Oilwell Varco, Inc. offers a variety of products and services, which include manufacturing operations in the United States. While specific product lines may vary depending on the business unit and current market demands, NOV is known to have several facilities in the United States that produce equipment and components for the oil and gas industry. The company emphasizes the importance of quality and innovation in its manufacturing processes, which often incorporate advanced technology. To find detailed information about specific products and their manufacturing locations, it is recommended to visit the official NOV website, where you can explore their offerings and locate further information on their operations.