The 15th annual Onsite Wastewater Professionals of Illinois Conference and Trade Show will be held Jan. 30-31 at the Gateway Convention Center in Collinsville, Illinois. The event is the largest onsite conference and trade show in the state, and is the only event showcasing large excavating equipment and exhibits. Visit www.owpi.org for more details.
OWPI Conference and Trade Show Coming in January
Dec 21, 2017
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