Mahoney Environmental® is a national service business headquartered in Joliet, IL., We lead the way in the collection and recycling of used cooking oil and grease trap materials. Since 1953, our emphasis has been on customer service and satisfaction. Combined with our winning team approach, this sets Mahoney Environmental ahead of our competitors. Our “do it right” team approach has made Mahoney Environmental, “a great place to work.” We pride ourselves on maintaining a professional business culture where employees have an opportunity to actively contribute to the success of the company. Corporate Mission Mahoney Environmental is committed to being the leader in providing programs and equipment to the foodservice industry to manage and recycle used cooking oil. Our overriding objective i