Group Leadership

Susan Harmon
Charles Machine Works

AEM Staff Contact

William Bernhard
Technical & Safety Services Manager | 414-298-4106

Product Focus

Pushing, piercing, auger boring, rotary rod and directional drilling equipment.


To promote and further the interests of the Trenchless Equipment Committee on issues related to safety, standards and regulations, statistics and marketing data, education, public policy and the enhancement of the industry's stature.


Established in 1987 as the Manufacturers of Horizontal Earth Boring Equipment. Renamed Trenchless Equipment Council in 1990 and became a standing committee of the Underground Equipment Manufacturers Council in 2005.