Cedarburg Hauser, formerly Cedarburg Pharmaceuticals, makes drugs, components of drugs, and ingredients for drugs. The contract manufacturer does everything from project management to manufacturing to validating study results. It produces custom chemicals, natural and synthetic active pharmaceutical ingredients, dietary supplements, and cosmetics. And, because Cedarburg Hauser also holds Drug Enforcement Agency permits, it makes controlled substances including pain killers and other narcotics. Other services include process development and a whole host of analytical services including quality control and stability studies.