Any Company engaged and associated in the Trenchless Horizontal Directional Drilling Industry, and which has established a reputation for skill, integrity, safety, and environmental responsibility, may apply for membership.
Horizontal Directional Drilling Association
1233 West Loop South Ste. 900, Houston, TX 77027
Phone: (713) 830-2184 / https://www.hdda.us/
©2023 Horizontal Directional Drilling Association
HDDA is a 501(c)6 organization | Tax ID#92-0311284
Click HERE to download a W-9
