For almost four decades, TNDC has been instrumental in maintaining a wide range of vital infrastructure and heavy civil/earthmoving projects, including airport runways, hydroelectric facilities, mine development and operations, and transmission line construction.
TNDC has built a diverse construction portfolio, establishing itself as a reliable partner that delivers projects safely, on time, and within budget. A commitment to quality and integrity supports this reputation.
The table below are projects TNDC has worked on over the past two decades:
| Project | Company | Work | Year | 
|---|---|---|---|
| Residential Home Construction | Iskut & Tahltan Bands | 1990-2000 | |
| Zeta Creek | Iskut Band | 2000 | |
| Water Main & Pump House | Bell II | 2001 | |
| Water Main & Water Treatment Plant | Tahltan Band | 2001 | |
| Hluey Lakes Micro Facility | Stikine Power Corp | 2001-2003 | |
| Oil Field Mat Fabrication Throughout Tahltan Territory | Various | 2005-2009 | |
| Klappan Coal Bed Methane | Shell Oil | 2008 | |
| Various Exploration Services Throughout Tahltan Territory | Various Companies | Transportation | 2011-2014 | 
| Bob Quinn & Tatogga Substations | BC Hydro | TNDC: Right Of Way Clearing | 2012-2014 | 
| Northwest Hydroelectric Projects | AltaGas | Road Construction | 2013-2016 | 
| Red Chris Transmission Line | Arctic Arrow Powerline Group | ROW Clearing | 2014 | 
| Tatogga To Red Chris Line Power Line | Artic Arrow Power Line Group | 2014 | |
| Hluey Lakes Hydro Facility | Regional Power | 2014 | |
| Schaft Creek | Teck/Copper Fox | 2014 | |
| Northwest Transmission Line | Gitxsan Development Corporation | ROW Clearing | 2014-2015 | 
| Gamma Creek Culvert Replacement Project | Ministry of Transportation & Infrastructure | 2017 | |
| Bob Quinn Airport | Navigation Canada | 2017 | |
| Dease Lake Regional Health Centre | Ministry of Health | 2000 | |
| Golden Bear Mine | GoldCorp | 2001-2010 | |
| Iskut Transmission Line Extension | BC Hydro | 2018–2019 | |
| Telegraph Creek Airport Recommissioning | Tahltan Band | 2018–2019 | |
| Telegraph Creek Wildfire | BC Wildfire Service | 2018 | |
| Telegraph Creek Townsite Cleanup | Tahltan Band | Cleanup & Recovery | 2018 | 
| Tahltan River Slide Remediation | Department of Fisheries & Oceans | 2018 | |
| Telegraph Creek Solid Waste Transfer Station | Regional District of Kitimat Stikine | Site Development | 2017-2019 | 
| NTL Access Roads | BC Hydro | 2017–2018 | |
| Dease Lake Airport | Navigation Canada | 2017 | |
| Iskut Extension Transmission Line | Rockstad | ROW Clearing | 2013-2014 |