NASTT is the North American Society for Trenchless Technology. It is a multi-disciplinary
society of individuals and organizations with professional, utilitarian, or environmental interests
in Trenchless Technology. It was founded and incorporated as a non-profit organization
in June 1990.

It is affiliated with the International Society for Trenchless Technology (ISTT) and shares the
same basic concerns for the environmental and social costs of utilities trenching. NASTT members
are automatically affiliated with ISTT through NASTT membership.

The Western Chapter of NASTT (WESTT) promotes the NASTT mission within our western region of Arizona, California, Hawaii, Nevada, and New Mexico.

Our Mission…
Is to advance the science and practice of Trenchless Technology for the public benefit;
to promote and conduct education, training, study and research in said science and
practice for the public benefit; and to make available information thereof to all interested
and concerned parties.