Sardines are not only a rich source of bone-building vitamin D, a nutrient not so readily available in the diet and one that is most often associated with fortified dairy products. Vitamin D plays an essential role in bone health since it helps to increase the absorption of calcium.
The company makes investments in the telecommunications industry through its subsidiary companies, joint ventures and associated companies. The company was founded on November 23, 1994 and is headquartered in Johannesburg, South Africa. More on MTN Group The World's Largest Telecom Companies: China Mobile Beats Verizon, AT&T Again
Groupon Headquarters Info. Grouponâs headquarters is located in Chicago, Illinois just east of the Chicago River North Branch near the corner of Chicago Avenue and North Larrabee Street. Groupon started business in Chicago, the location of the company headquarters, in November 2008.