Castle Brands, an emerging marketer of premium branded spirits, registered for an initial public offering Thursday evening. The New York, NY-based company plans to offer 2.5 million shares. Over the past twelve months ended June 2005, Castle Brands generated $15 million in sales and had a gross margin of 34%. Oppenheimer & Co. will be the lead underwriter on the deal. A range and timing have yet to be determined.

