| Directional Boring Central: The primary source of information for directional drilling contractors. |
| Emerging Construction Technologies - Civil: The purpose of this site is to present Emerging Construction Technologies. A section is dedicated to spotlighting trenchless technologies. |
| Geoforum.com: A technical information system offered free of charge. |
| Giglio, Riddle & Associates, Inc.: Represents manufacturers in the industrial and municipal water/wastewater profession. Guide to distributors in Alabama, Mississippi, Louisiana, Tennessee, and the Florida Panhandle. |
| HDD-Consult.com: An information highway for the trenchless technology industry to search for contacts and information within the experts of our industry. |
| Microtunneling Resource Center: Microtunneling portal site featuring free email (yourname@microtunneling.com), an email based discussion forum, and microtunneling resource pages. |
| Public Works Online: Daily news and product updates for professionals in the public works industry- Information on manufacturing, technology, equipment, supplies, and discussion forums, online chat, newsletter and software |
| Trenchless Data Service: A general trenchless technology website with extensive trenchless new construction information including a very comprehensive directory of construction firms and some information regarding their experience levels. Sections are also being developed regarding pipe rehabilitation. |
| Trenchless Information Center: A trenchless technology portal with good introductory information regarding the various technologies in use. Has an active bulletin board. |
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