Throughout the world, OPW Engineered Systems has been a global leader in developing loading and coupling systems for the safe and efficient loading and unloading of all types of critical hazardous fluids. Our system designs meet a wide range of needs from the modest demands of drum-filling applications to the high-volume loading and unloading requirements of major chemical and petroleum facilities. OPW Engineered Systems is the brand you can trust for reliability, safety, service and support.