KitchenAid is a Whirlpool Corporation brand that is well known for its higher end appliances big and small. KitchenAid's refrigerators cost more than others, but some of the best mid-grade refrigerators available are KitchenAid. Make sure you read the reviews on the exact model you are going to purchase because there are some models that are not as highly reviewed. That said, overall, KithenAid is a well known brand with a lot going for it with solid features and quality refrigerators.
LG is a Korean electronics brand that also makes major appliances that are price competitive and mid-range. For their refrigerator offerings, they have extensive options and sizes available. Overall, most folks would recommend their LG refrigerator, but before purchasing, read through the reviews on your model to make sure that it is one of the ones that is rated well!
Price Range for Reviewed Units: