Janssen Pharmaceutica, Inc. (Janssen) is a pharmaceutical company, engaged in the provision of medications for the treatment of schizophrenia, bipolar mania, and irritability associated with autistic disorder. The company is exclusively focused on mental health. The company products portfolio consist of HALDOL (haloperidol), RISPERDAL (risperidone), RISPERDAL CONSTA (risperidone) a delivery system and a long-acting atypical antipsychotic injectable product, and INVEGA (paliperidone) is an oral atypical antipsychotic that uses OROS extended-release technology. The company produced and marketed many first-in-class prescription medications in multiple therapeutic categories including central nervous system disorders, gastrointestinal health, pain management, and fungal infections. The company is a division of Ortho-McNeil-Janssen Pharmaceuticals, Inc. Janssen is headquartered at Titusville in New Jersey, the US.