In today's video, energy editor Joel South discusses National Oilwell Varco's $2.5 billion acquisition bid for oil and gas machinery manufacturer Robbins & Myers. Unlike past acquisitions, National Oilwell would be taking on a proven manufacturer with strong cash-generating abilities as well as industry-leading blowout preventers and artificial lift pumps. Check out the video below to hear how Robins & Myers fits into NOV's plans to maintain its global oil and gas equipment dominance.

Some say NOV stands for "no other vender," giving us an insight into the absolute supremacy the company has over its competitors. More than 90% of rigs globally have equipment from National Oilwell, clearly making it a United States company exercising its prowess all over the world. However, there are other companies with this omnipotence in their respective sectors. Interested in finding out who these companies are? Check out our free report "3 American Companies Set to Dominate the World." Click here to get your free copy before it's gone.