The three major brandy companies are as follows:

1. Martell (the three major brandy, the world's four major cognac brands, started in 1715, France's Pernod group).

2. Remy Martin (the world's three major brandy brands and the world's four major cognac brands, founded in 1724).

3. Hennessy (the world's three major brandy brands, the world's four major cognac brands, search under the LVMH Group in 1765).

What brands of cognac are there:

1. Martell (three major brandies, the world's four major cognac brands, started in 1715, the French Pernod Ricard Group ).

2. Remy Martin (the world’s three major brandy brands and the world’s four major cognac brands, founded in 1724).

3. Hennessy (the world’s three major brandy brands and the world’s four major cognac brands, searched under the LVMH Group in 1765).

4. Napoleon Courvoisier (the world’s four major cognac brands, founded in 1790).

5. Changyu (well-known trademark, top ten brandy-cognac brands, Yantai Changyu grape wine).

6. Augier (top ten brandy-cognac brands, Augier Freire Company founded in 1643, world brand).

7. Bisquit (one of the top ten brandy-cognac brands, founded in 1819, one of the largest distilled spirits breweries in Europe).

8. Louis Royer (one of the top ten brandy-cognac brands, founded in France in 1853, a brand owned by Japan's Suntory Corporation).

9. Dynasty (top ten brandy-cognac brands, well-known trademarks, Sino-French joint venture Dynasty Grape Winery).

10. Great Wall (top ten brandy-cognac brands, well-known trademarks, COFCO Liquor Co., Ltd.).