The top player in the diamond business is DeBeers. Other companies that are coming on line, based on mines being developed over the last 20-50 years are those based in Canada and in Australia.
Rio Tinto Group is active in Canada and Argyle is active in Australia.
As above, once the stones are mined, graded, cut and polished, there are diamond retailers located all over the world.
There are hundreds of leading players in the life insurance industry. I have attached a list of about 20 of the leading institutions that currently offer life insurance.
Textile Manufacturing became the leading industry during sectionalism. Automobile industry, computer technology are also the advanced leading industry in the world.
The diamond industry is an oligopoly, or an industry dominated by a small number of large businesses.
Of course you can. I played my Pokemon Diamond with my cousin that has Pearl.
What is the main industry in Washington?
manufucturing
dogs
Greenland
insurance
Baseball diamond
Oil and gas.
Nabisco has consistently been the leader in the industry.