The Ritchie Brothers Auction. brand, founded in 1958 (Canada), from 10 sister brands and 1333 competing brands. Ritchie Brothers Auction. is a brand of Ritchie Brothers Auction., listed on the stock exchange of New York. The International Securities Identification Number (ISIN) of Ritchie Brothers Auction. is CA7677441056. Ritchie Brothers Auction. belongs to the Business Services business sector.