The Aeration Works Division of Environmental Dynamics International was created to give operators of aeration systems a source for fast, reliable installations and maintenance. Made up of experienced installers and field service professionals, personnel are experts at the installation and maintenance of aeration systems. These expert installers know what tools are needed, how to do it quickly and how to ensure it is done to manufacturers’ specifications. When doing maintenance, the group has the experience to evaluate the degree of work needed. If a construction crew is lined up, Aeration Works can provide supervision to ensure the work is done to any manufacturer’s specifications. 573/474-9453; www.aerationworks.com.