Oppenheimer is located at 3310 W Big Beaver Rd # 205, Troy, MI. This location is in the Downtown Troy neighborhood. This business specializes in Investment Brokerages. Oppenheimer is open Mon, 9am-5:05pm; Tue, 9am-5:05pm; Wed, 9am-5:05pm; Thu, 9am-5:05pm; Fri, 9am-5:05pm; Sat, Closed; Sun, Closed and accepts All Major Credit Cards, Cash, Mastercard, Personal Checks and Visa.