Headquartered in Ashburn, Ontario, Greenwood Mushroom Farm, is a fully-integrated producer of mushrooms, along with its wholly owned subsidiary Windmill Farms Inc. («Windmill») which acts as the sales, distribution and marketing division of Greenwood Mushroom Farms as well as Ontario Mushroom Farms («OMF») a composting operations company. Together they employ over 300 employees who provide fresh and varied mushrooms 365 days per year to retailers and wholesalers throughout Ontario and Quebec.