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| WEBSITE | Description |
| China Beijing Society for Trenchless Technology | |
| Directional Boring Central | Provides news and other information on the HDD industry |
| Directional Crossing Contractors Association (DCCA) | A trade association to promote the interests of the directional crossing industry in US |
| Directional Drilling | Site dedicated to Directional Drilling issues |
| Distribution Contractors Association (DCA) | Membership comprises suppliers and manufacturers in US and is involved in the burial of new and replacement gas distribution, duct, fiber-optic and cable lines. |
| No Dig International | Official publication for the ISTT covering the area of trenchless technology |
| The Trenchless Information Center (TIC) | dedicated to providing information to the end user about the trenchless technology industry |
| Trenchless Data Service | - |
| Trenchless Technology | Australasian Society for Trenchless Technology |
| Underground Construction | Contains links to some of the most popular industry publications including Underground Construction, Pipeline & Gas Journal, Power and Gas Marketing, Pipeline News, and Rehabilitation Technology |
