The company that  employs approximately 100,000 people and had a merger with a Fortune 500 company headquartered in the Greenspoint district and in unincorporated Harris County, Texas, is the worlds largest what?
Smith International Smith International was a Fortune 500 company headquartered in the Greenspoint district and in unincorporated Harris County, Texas. Smith International ceased to exist as an independent company following the merger with Schlumberger. This company supplies products to gas and oil production and exploration companies. The company used to be easily identified by its red Sii logo. The company had recently changed its logo to consist of the word "SMITH" in black capital letters with a green globe.
Dell (subsidiary) Dell (stylized as DELL) is an American multinational technology company. A subsidiary of Dell Technologies, the company is based in Round Rock, Texas, United States, that develops, sells, repairs, and supports computers and related products and services. Eponymously named after founder Michael Dell, the company is one of the largest technological corporations in the world, employing more than 103,300 people worldwide.