Centro Inc. is a manufacturer of custom rotationally molded plastic parts. Established in 1970, Centro, Inc. has grown to bec ... ome the largest custom rotational molder in North America. Through innovation and superior customer service, Centro has stayed at the leading edge of the rotational molding industry. Centro's Quality Management System is registered to ISO 9001:2008 at our Corporate Headquarters (Iowa), North Carolina, and Wisconsin locations. read more