In 1978, ACO, Inc. started with polymer concrete and a vision for the US market. Our humble beginnings pioneered the concept ... of modular trench drains in North America. For forty years, we have been manufacturing a variety of water management products, in the United States and globally for over 70 years. Our universal customers and their feedback have helped us offer progressive products and materials to serve all surface water management and building drainage markets. The ACO Group employs more than 3,800 people world-wide in 40 countries, with production facilities in North America, Europe, China and Australia. These resources, supplement with a worldwide network of customers and agents, make ACO products available in every corner of the world. We strive to be the partner of choice by designing, engineering, manufacturing and delivering industry leading water management solutions. We are dedicated to achieving the highest possible standards of quality through the organization. We have two manufacturing facilities located in Mentor, Ohio and Casa Grande, Arizona, with a distribution center in Ft. Mill, South Carolina. read more