Trenchless Data Service 
A general trenchless technology website with trenchless new construction information including a directory of construction firms and information regarding their experience levels. Sections are also being developed regarding pipe rehabilitation.
http://www.trenchlessdataservice.com/Trenchless Information Center
A trenchless technology portal with good introductory information regarding the various technologies in use. Has an active bulletin board.
http://www.no-dig.com/
HDD-Consult.com
An information highway for the trenchless technology industry to search for contacts and information within the experts of our industry.
http://www.hdd-consult.com/
Microtunneling Resource Center
Microtunneling portal site featuring free email (yourname@microtunneling.com), an email based discussion forum, and microtunneling resource pages.
http://www.microtunneling.com/
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
http://www.publicworks.com/
Geoforum.com
A technical information system offered free of charge.
http://www.geoforum.com/
Directional Boring Central
The primary source of information for directional drilling contractors.
http://www.directionalboringcentral.com/
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.
http://hometown.aol.com/gigrid/index.html
