Beverage centers are the most popular type of under counter refrigerator. A beverage center is a combination of refrigerator space and wine storage. Generally they have one or two wine racks on the top or bottom and a single temperature zone.
True and Marvel are two manufacturers with extensive refrigeration manufacturing backgrounds. True Professional Series is a division of True Manufacturing Company which has been an industry leader for over 65 years. You may recognize their logo from convenience stores and supermarkets beverage and food coolers. True has just recently jumped into the residential undercounter refrigeration segment with some pretty impressive products.
Marvel was formed in 1932 when they started manufacturing undercounter ice boxes. Their wine cooler are consistently among the highest rated. Both brands manufacture their products here in the U.S.