在2008年的展会上,共有562家公司参展,参展面积达8976平方米,共有11415名观众参观了美国路易斯维尔环境展览会(Pumper and Cleaner Environmental Expo International )。
Septic system installation and services, drain and sewer cleaning and repair, portable restroom, industrial maintenance and cleaning, municipal water and sewer system maintenance